# JEE Main & Advanced Chemistry Nitrogen Family Question Bank

### done Nitrogen Family

• A) Iodine

B) Phosphorus

C) Nitrogen

D) Oxygen

• A) $CO$ and ${{N}_{2}}$

B) $C{{O}_{2}}$ and${{H}_{2}}$

C) $CO$ and ${{H}_{2}}$

D) $C{{O}_{2}}$ and ${{N}_{2}}$

• A) ${{N}_{2}}O$

B) $NO$

C) ${{N}_{2}}{{O}_{3}}$

D) ${{N}_{2}}{{O}_{5}}$

• A) ${{H}_{3}}P{{O}_{4}}$

B) $HP{{O}_{3}}$

C) ${{H}_{2}}P{{O}_{3}}$

D) ${{H}_{3}}P{{O}_{2}}$

• A) Calcium oxide

B) Anhydrous calcium chloride

C) Phosporus pentoxide

D) Conc. sulphuric acid

• A) Are both soluble in $C{{S}_{2}}$

B) Can be oxidised by heating in air

C) Consists of same kind of atoms

D) Can be converted into one another

• A) Orthophosphorus acid

B) Orthophosphoric acid

C) Metaphosphoric acid

D) Pyrophosphoric acid

• A) $P$ and ${{H}_{2}}S{{O}_{4}}$

B) $P$ and $NaOH$

C) $P$ and ${{H}_{2}}S$

D) $P$ and $HN{{O}_{3}}$

• A) $NC{{l}_{5}}$

B) $N{{I}_{3}}$

C) $SbC{{l}_{3}}$

D) $NC{{l}_{3}}$

• A) $P$

B) ${{P}_{4}}$

C) ${{P}_{2}}$

D) ${{P}_{5}}$

• A) Six P - P single bonds

B) Four P - P single bonds

C) Four lone pairs of electrons

D) PPP angle of ${{60}^{o}}$

• A) Ammonia and nitric acid

B) Nitrous oxide and water

C) Nitrogen, hydrogen and ozone

D) Nitric oxide, nitrogen dioxide and hydrogen

• A) Air

B) $N{{H}_{3}}$

C) $N{{O}_{2}}$

D) $HN{{O}_{3}}$

B) Ammonium nitrate

C) Silver nitrate

D) Sodium nitrate

• A) Violet phosphorus

B) Scarlet phosphorus

C) Red phosphorus

D) White phosphorus

• A) By heating phosphorus in a current of hydrogen

B) By heating white phosphorus with aqueous solution of caustic potash

C) By decomposition of ${{P}_{2}}{{H}_{4}}$ at ${{110}^{o}}C$

D) By heating red phosphorus with an aqueous solution of caustic soda

• A) Phosphorus

B) Arsenic

C) Antimony

D) Bismuth

• A) 2

B) 3

C) 4

D) 5

• A) Oxidising agent

B) Reducing agent

C) Both a and b

D) Its solution is stable

• A) $KN{{O}_{3}}$

B) $Pb{{(N{{O}_{3}})}_{2}}$

C) $Cu{{(N{{O}_{3}})}_{2}}$

D) $AgN{{O}_{3}}$

• A) ${{N}_{2}}$

B) ${{N}_{2}}O$

C) $HN{{O}_{3}}$

D) $N{{O}_{2}}$

• A) $N{{H}_{3}}$

B) $P{{H}_{3}}$

C) $As{{H}_{3}}$

D) $Sb{{H}_{3}}$

• A) $N{{H}_{4}}N{{O}_{3}}$

B) ${{N}_{2}}$

C) ${{N}_{2}}O$

D) $NO$

• A) $NO$

B) ${{N}_{2}}{{O}_{3}}$

C) ${{N}_{3}}{{O}_{4}}$

D) ${{N}_{2}}{{O}_{5}}$

• A) Bone ash and coke

B) Bone ash and silica

C) Bone ash, silica and coke

D) None of these

• A) Argon

B) Potassium

C) Phosphorus

D) Sulphur

• A) 1

B) 2

C) 3

D) 4

• A) 3

B) 4

C) 5

D) 6

• A) ${{120}^{o}}$

B) ${{109}^{o}}2{8}'$

C) ${{90}^{o}}$

D) ${{60}^{o}}$

• A) Chromium oxide and ammonia

B) Chromic acid and nitrogen

C) Chromium oxide and nitrogen

D) Chromic acid and ammonia

• A) ${{O}_{2}}$ and ${{N}_{2}}$

B) $NO$

C) ${{N}_{2}}{{O}_{5}}$

D) $N{{O}_{2}}$ and ${{O}_{2}}$

• A) Calcium

B) Sodium

C) Phosphorus

D) Zinc

• A) ${{H}^{+}}$

B) $O{{H}^{-}}$

C) Only $NH_{4}^{+}$

D) $O{{H}^{-}},$ $N{{H}_{4}}N{{O}_{2}}$ and $N{{H}_{4}}OH$ molecules

• A) Stability of +3 oxidation state

B) Reducing character of hydrides

C) Electronegativity

D) Acidic nature of the pentoxide

• A) Haber

B) Solvay

C) Deacon

D) Fischer method

• A) White phosphorus

B) $C{{H}_{4}}$

C) ${{H}_{2}}O$

D) $NaCl$

• A) Calcium cyanamide

B) Barium azide

C) Ammonium hydroxide

D) Ammonium nitrite

• A) Is a mixed oxide

B) Is an acidic oxide

C) Is highly soluble in hot water

D) Supports the combustion of sulphur

• A) $NO$

B) ${{N}_{2}}O$

C) $N{{O}_{2}}$

D) ${{N}_{2}}{{O}_{3}}$

• A) Nitrites salt

B) Nitrates salt

C) Mixture of nitrate and nitrite

D) Ammonia

• A) $Sn$

B) $Zn$

C) $Cu$

D) $Ag$

• A) $HP{{O}_{3}}$

B) ${{H}_{4}}{{P}_{2}}{{O}_{7}}$

C) ${{H}_{3}}P{{O}_{4}}$

D) None of these

• A) A mixture of normal calcium phosphate and gypsum

B) A mixture of primary calcium phosphate and gypsum

C) Normal calcium phosphate

D) Soluble calcium phosphate

• A) $NaHP{{O}_{3}}$

B) $N{{a}_{2}}HP{{O}_{4}}$

C) $Na{{H}_{2}}P{{O}_{4}}$

D) $N{{a}_{3}}P{{O}_{4}}$

• A) ${{P}_{5}}$ molecules

B) ${{P}_{4}}$ molecules

C) ${{P}_{6}}$ molecules

D) ${{P}_{2}}$ molecules

• A) ${{N}_{2}}{{O}_{5}}$

B) ${{N}_{2}}{{O}_{4}}$

C) $N{{O}_{2}}$

D) $NO$

• A) ${{H}_{2}}{{P}_{2}}{{O}_{7}}$

B) ${{H}_{3}}P{{O}_{3}}$

C) $AgN{{O}_{3}}$

D) $NO$

• A) It is very stable in aqueous solution

B) It cannot act both as an oxidant and as a reductant

C) It cannot act as an oxidising agent

D) It cannot act as reducing agent

• A) ${{P}_{2}}{{O}_{3}}$

B) $B{{i}_{2}}{{O}_{3}}$

C) $A{{s}_{2}}{{O}_{3}}$

D) ${{B}_{2}}{{O}_{3}}$

• A) ${{H}_{3}}P{{O}_{4}}$

B) ${{H}_{3}}P{{O}_{3}}$

C) $HP{{O}_{3}}$

D) ${{H}_{4}}{{P}_{2}}{{O}_{7}}$

• A) $N{{F}_{3}}$

B) $NC{{l}_{3}}$

C) $NB{{r}_{3}}$

D) $N{{I}_{3}}$

• A) $HP{{O}_{3}}$

B) ${{H}_{3}}P{{O}_{4}}$

C) ${{H}_{3}}P{{O}_{2}}$

D) ${{H}_{3}}P{{O}_{3}}$

• A) White phosphorus

B) Sulphur

C) Red phosphorus

D) Selenium

• A) ${{N}_{2}}O$

B) $NO$

C) ${{N}_{2}}{{O}_{5}}$

D) $N{{O}_{2}}$

• A) $NO$

B) $N{{O}_{2}}$

C) ${{N}_{2}}O$

D) ${{N}_{2}}{{O}_{5}}$

• A) + 3

B) + 5

C) - 3 and + 3

D) + 3 and + 5

• A) ${{P}_{4}}{{O}_{11}}$

B) ${{P}_{4}}{{O}_{8}}$

C) $PC{{l}_{5}}$

D) $NC{{l}_{5}}$

• A) $NO$

B) ${{N}_{2}}O$

C) $N{{H}_{2}}OH$

D) ${{N}_{2}}{{H}_{4}}$

• A) ${{P}_{4}}{{O}_{6}}$

B) ${{P}_{4}}{{O}_{10}}$

C) $A{{s}_{4}}{{O}_{6}}$

D) $A{{s}_{4}}{{O}_{19}}$

• A) $Sb{{H}_{3}}>P{{H}_{3}}>As{{H}_{3}}>N{{H}_{3}}$

B) $N{{H}_{3}}>Sb{{H}_{3}}>P{{H}_{3}}>As{{H}_{3}}$

C) $N{{H}_{3}}>P{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}$

D) $Sb{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}>N{{H}_{3}}$

• A) $Bi{{H}_{3}}$

B) $Sb{{H}_{3}}$

C) $As{{H}_{3}}$

D) $P{{H}_{3}}$

• A) $AsC{{l}_{3}}$

B) $P{{F}_{3}}$

C) $SbC{{l}_{3}}$

D) $N{{F}_{3}}$

• A) $As{{H}_{3}}$

B) $N{{H}_{3}}$

C) $P{{H}_{3}}$

D) $Sb{{H}_{3}}$

• A) White phosphorous

B) Sodium

C) Potassium

D) Calcium

• A) ${{K}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O$

B) $Ca{{({{H}_{3}}P{{O}_{4}})}_{2}}{{H}_{2}}O+CaS{{O}_{4}}$

C) $NaAl{{O}_{2}}$

D) $Ca{{C}_{2}}$

• A) $B{{i}_{2}}{{O}_{3}}$

B) $Bi{{(OH)}_{3}}$

C) $BiOCl$

D) $BiOC{{l}_{2}}$

• A) $Cu{{(OH)}_{2}}$

B) $Cd{{(OH)}_{2}}$

C) $Bi{{(OH)}_{3}}$

D) $Hg{{(OH)}_{2}}$

• A) VA group

B) IVA group

C) VIIA group

D) VB group

• A) Nitrogen

B) Phosphorus

C) Arsenic

D) Antimony

• A) $N$

B) $Bi$

C) $P$

D) As

• A) $N$

B) $P$

C) $As$

D) $Bi$

• A) $N{{H}_{3}}$

B) $P{{H}_{3}}$

C) $As{{H}_{3}}$

D) $Sb{{H}_{3}}$

• A) $N{{H}_{3}}$

B) $P{{H}_{3}}$

C) $As{{H}_{3}}$

D) $Sb{{H}_{3}}$

• A) $N{{H}_{3}}$

B) $P{{H}_{3}}$

C) $As{{H}_{3}}$

D) $Sb{{H}_{3}}$

• A) $NC{{l}_{3}}$

B) $PC{{l}_{3}}$

C) $AsC{{l}_{3}}$

D) All of these

• A) $A{{s}_{2}}{{O}_{3}}$

B) ${{P}_{2}}{{O}_{3}}$

C) $S{{b}_{2}}{{O}_{3}}$

D) $B{{i}_{2}}{{O}_{3}}$

• A) $P{{H}_{4}}I$

B) $A{{s}_{2}}{{O}_{3}}$

C) $SbC{{l}_{2}}$

D) $A{{s}_{2}}{{H}_{3}}$

• A) $N{{H}_{3}}+NaN{{O}_{2}}$

B) $N{{H}_{4}}Cl+NaN{{O}_{2}}$

C) ${{N}_{2}}O+Cu$

D) ${{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}$

• A) $N{{H}_{4}}OH$

B) $C{{a}_{3}}{{N}_{2}}$

C) $N{{H}_{4}}N{{O}_{2}}$

D) $Ba{{(N{{O}_{3}})}_{2}}$

• A) Nitrites

B) Nitrates

C) Nitrosyl chloride

D) Nitrides

• A) Its atom has a stable electronic configuration

B) It has low atomic radius

C) Its electronegativity is fairly high

D) Dissociation energy of its molecule is fairly high

• A) Low bond energy

B) Absence of bond polarity

C) Unsymmetrical electron distribution

D) Presence of more number of electrons in bonding orbitals

• A) It has a small size

B) It does not readily react with ${{O}_{2}}$

C) It is a typical non-metal

D) d-orbitals are available for bonding

• A) Zinc

B) Copper

C) Molybdenum

D) Boron

• A) $N{{H}_{4}}Cl$

B) ${{(N{{H}_{4}})}_{2}}S{{O}_{4}}$

C) $N{{H}_{4}}Cl+NaN{{O}_{3}}$

D) $N{{H}_{4}}N{{O}_{3}}$

• A) Thermal decomposition of ammonium nitrate

B) Disproportionation of ${{N}_{2}}{{O}_{4}}$

C) Thermal decomposition of ammonium nitrite

D) Interaction of hydroxyl amine and nitrous acid

• A) It is called laughing gas

B) It is nitrous oxide

C) It is not a linear molecule

D) It is least reactive in all oxides of nitrogen

• A) $NO$

B) ${{N}_{2}}{{O}_{3}}$

C) ${{N}_{2}}{{O}_{4}}$

D) ${{N}_{2}}{{O}_{5}}$

• A) $CO$

B) $NO$

C) $Cl{{O}_{2}}$

D) ${{N}_{2}}{{O}_{5}}$

• A) $N{{O}_{2}}$

B) ${{O}_{2}}$

C) $N{{O}_{2}}+{{O}_{2}}$

D) $NO$

• A) $Pb{{(N{{O}_{3}})}_{2}}$

B) $KN{{O}_{3}}$

C) $NaN{{O}_{2}}$

D) $NaN{{O}_{3}}$

• A) $Fe$

B) $Cu$

C) $Zn$

D) $Sn$

• A) Nitrous oxide

B) Nitrogen dioxide

C) Dinitrogen pentoxide

D) Nitric oxide

• A) Nitrous oxide

B) Nitric oxide

C) Dinitrogen trioxide

D) Nitrogen pentoxide

• A) ${{N}_{2}}{{O}_{5}}$

B) ${{N}_{2}}{{O}_{3}}$

C) ${{N}_{2}}{{O}_{4}}$

D) ${{N}_{2}}O$

• A) ${{N}_{2}}O$

B) ${{N}_{2}}{{O}_{3}}$

C) $N{{O}_{2}}$

D) ${{N}_{2}}{{O}_{5}}$

• A) ${{N}_{2}}{{O}_{5}}$

B) ${{N}_{2}}{{O}_{4}}$

C) $N{{O}_{2}}$

D) ${{N}_{2}}{{O}_{3}}$

• A) $NO$ and $N{{O}_{2}}$

B) $N{{O}_{2}}$ and ${{O}_{2}}$

C) $N{{O}_{2}}$ and ${{N}_{2}}O$

D) $NO$ and ${{O}_{2}}$

• A) $AgN{{O}_{3}}$

B) $Pb{{(N{{O}_{3}})}_{2}}$

C) $Cu{{(N{{O}_{3}})}_{2}}$

D) $Al{{(N{{O}_{3}})}_{3}}$

• A) Dissolves in water forming nitric acid

B) Does not dissolve in water

C) Dissolves in water to form nitrous acid and gives off oxygen

D) Dissolves in water to form a mixture of nitrous and nitric acids

• A) $C{{O}_{2}}$ and ${{H}_{2}}O$

B) $CO$ and ${{H}_{2}}O$

C) $CO,$ $C{{O}_{2}}$ and ${{H}_{2}}O$

D) Oxalic acid and water

• A) ${{N}_{2}}O$

B) $NO$

C) $N{{H}_{2}}OH$

D) ${{N}_{2}}{{O}_{3}}$

• A) $HN{{O}_{3}}$

B) ${{H}_{2}}S{{O}_{4}}$

C) $HCl$

D) $HN{{O}_{2}}$

• A) Proteins

B) Fats

C) Proteins and fats

D) None of these

• A) Conc. ${{H}_{2}}S{{O}_{4}}$

B) Brine

C) Water

D) Mercury

• A) $C{{O}_{2}}$

B) $N{{H}_{4}}OH$

C) $N{{H}_{4}}Cl$

D) Liquid $N{{H}_{3}}$

• A) $N{{H}_{3}}$

B) ${{N}_{2}}{{H}_{4}}$

C) ${{N}_{2}}{{H}_{2}}$

D) ${{N}_{3}}H$

• A) Nitrogen has no vacant orbitals

B) $NC{{l}_{5}}$ is unstable

C) Nitrogen atom is much smaller

D) Nitrogen is highly inert

• A) Nitride ion

B) Fluoride ion

C) Sodium ion

D) Chloride ion

• A) Red

B) White

C) Black

D) All stable

• A) Heating it with a catalyst in an inert atmosphere

B) Distilling it in an inert atmosphere

C) Dissolving it in carbon disulphide and crystallizing

D) Melting it and pouring the liquid into water

• A) They contain shining material

B) They contain red phosphorus

C) White phosphorus undergoes slow combustion in contact with air

D) White phosphorus changes into red form

• A) It shows phosphorescenes in air

B) It reacts with hot aqueous $NaOH$ to give phosphine

C) It dissolves in carbon disulphide

D) It burns when heated in air

• A) $S+K$

B) $S{{b}_{2}}{{S}_{3}}$

C) ${{K}_{2}}C{{r}_{2}}{{O}_{7}}+S+$red P

D) ${{K}_{2}}C{{r}_{2}}{{O}_{7}}+K+S$

• A) Heating a mixture of phosphorite mineral with sand and coke in electric furnace

B) Heating calcium phosphate with coke

C) Heating bone ash with coke

D) Heating the phosphate mineral with sand

• A) Phosphine

B) Phosphoric acid

C) Phosphorus acid

D) No reaction

• A) Oxidation

B) Reduction

C) Oxidation and reduction

D) Neutralisation

• A) White P is heated with $NaOH$

B) Red P is heated with $NaOH$

C) $C{{a}_{3}}{{P}_{2}}$ reacts with water

D) Phosphorus trioxide is boiled with water

• A) $P{{H}_{3}}$

B) $N{{H}_{3}}$

C) ${{P}_{4}}{{O}_{6}}$

D) ${{P}_{4}}{{O}_{10}}$

• A) $Ca{{C}_{2}}$

B) $HP{{O}_{3}}$

C) $C{{a}_{3}}{{P}_{2}}$

D) ${{P}_{4}}{{O}_{10}}$

• A) $S{{O}_{2}}$ is liberated

B) $P{{H}_{3}}$ is evolved

C) ${{H}_{2}}S$ is evolved

D) ${{H}_{2}}$ is evolved

• A) $P{{H}_{3}}$ is more basic than $N{{H}_{3}}$

B) $P{{H}_{3}}$ is less basic than $N{{H}_{3}}$

C) $P{{H}_{3}}$ is equally basic as $N{{H}_{3}}$

D) $P{{H}_{3}}$ is amphoteric while $N{{H}_{3}}$ is basic

• A) $HP{{O}_{3}}$

B) ${{H}_{4}}{{P}_{2}}{{O}_{7}}$

C) ${{H}_{3}}P{{O}_{4}}$

D) ${{H}_{3}}P{{O}_{3}}$

• A) Hypophosphorus acid

B) Orthophosphorus acid

C) Hypophosphoric acid

D) Orthophosphoric acid

• A) A tribasic acid

B) A dibasic acid

C) A monobasic acid

D) Not acidic at all

• A) $P{{H}_{3}}$

B) ${{H}_{3}}P{{O}_{3}},$$HCl$

C) $POC{{l}_{3}}$

D) ${{H}_{3}}P{{O}_{4}}$

• A) A tribasic acid

B) A dibasic acid

C) Neutral

D) A monobasic acid

• A) ${{H}_{3}}P{{O}_{3}}$

B) ${{H}_{3}}P{{O}_{4}}$

C) ${{H}_{3}}P{{O}_{2}}$

D) ${{H}_{4}}{{P}_{2}}{{O}_{7}}$

• A) $Na{{H}_{2}}P{{O}_{3}}$

B) $Na{{H}_{2}}P{{O}_{2}}$

C) $N{{a}_{3}}H{{P}_{2}}{{O}_{6}}$

D) $N{{a}_{4}}{{P}_{2}}{{O}_{7}}$

• A) Phosphorus acid

B) Orthophosphoric acid

C) Metaphosphoric acid

D) Pyrophosphoric acid

• A) ${{N}_{2}}$

B) $HN{{O}_{3}}$

C) $N{{H}_{3}}$

D) $P{{H}_{3}}$

• A) 3

B) 4

C) 5

D) 7

• A) Phosphorus in these acids exists in different oxidation states

B) The hydrogen in these acids are not all bounded to the phosphorus

C) Phosphorus is not a highly electronegative element

D) Phosphorus oxides are less basic

• A) Bismuthio acid

B) Bismuth oxychloride

C) Bismuth pentachloride

D) Bismuth hydroxide

• A) Calcium cyanide

B) Calcium cyanamide

C) Calcium carbonate

D) Calcium nitride

• A) Calcium carbonate

B) Calcium hydroxide

C) Calcium oxide

D) Calcium bicarbonate

• A) Urea

B) Ammonium sulphate

C) Ammonium nitrate

D) Calcium nitrate

• A) $C{{a}_{3}}{{(P{{O}_{4}})}_{2}}$

B) $CaHP{{O}_{4}}$

C) $C{{a}_{3}}{{(P{{O}_{4}})}_{2}}+{{H}_{3}}P{{O}_{4}}$

D) $Ca{{({{H}_{2}}P{{O}_{4}})}_{2}}$

• A) $C{{a}_{3}}{{(P{{O}_{4}})}_{2}}$

B) $MnSi{{O}_{3}}$

C) $CaSi{{O}_{3}}$

D) $FeSi{{O}_{3}}$

• A) Less nitrogen than ammonium sulphate

B) As much nitrogen as ammonium sulphate

C) Twice the amount of nitrogen present in ammonium sulphate

D) More than twice the amount of nitrogen present in ammonium sulphate

• A) It is anhydride of nitrous acid

B) Its dipole moment in 0.22 D

C) It forms dimer

D) it is paramagnetic

• A)

B)

C)

D)

• A) $N{{H}_{4}}Cl$

B) $N{{H}_{4}}N{{O}_{3}}$

C) $N{{H}_{4}}N{{O}_{2}}$

D) ${{(N{{H}_{4}})}_{2}}S{{O}_{4}}$

• A) White phosphorus and dil. $NaOH$

B) White phosphorus and conc. $NaOH$

C) Red phosphorus and dil. $NaOH$

D) Red phosphorus and conc. $NaOH$

• A) $N{{H}_{3}}$

B) $P{{H}_{3}}$

C) $As{{H}_{3}}$

D) $Sb{{H}_{3}}$

• A) $N{{H}_{3}}$

B) $P{{H}_{3}}$

C) $As{{H}_{3}}$

D) $Sb{{H}_{3}}$

• A) Phosphorus is oxidised

B) Phosphorus is oxidised and reduced

C) Phosphorus is reduced

D) Sodium is oxidized

• A) $NO_{3}^{-}$ and ${{H}^{+}}$

B) $NO_{3}^{-}$ and ${{H}_{3}}{{O}^{+}}$

C) $NO_{2}^{-}$ and $O{{H}^{-}}$

D) ${{N}_{2}}{{O}_{5}}$ and ${{H}_{2}}O$

• A) Hypophosphorus acid

B) Orthophosphoric acid

C) Pyrophosphoric acid

D) Metaphosphoric acid

• A) $Ca{{({{H}_{2}}P{{O}_{4}})}_{2}}{{H}_{2}}O+CaC{{l}_{2}}\,.\,2{{H}_{2}}O$

B) $C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\,.\,{{H}_{2}}O+CaC{{l}_{2}}\,.\,2{{H}_{2}}O$

C) $C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\,.\,{{H}_{2}}O+2CaS{{O}_{4}}\,.\,2{{H}_{2}}O$

D) $Ca{{({{H}_{2}}P{{O}_{4}})}_{2}}.\,{{H}_{2}}O+2CaS{{O}_{4}}\,.\,2{{H}_{2}}O$

• A) $PC{{l}_{5}}$

B) $PCl_{4}^{+}$

C) $PCl_{6}^{-}$

D) $PCl_{4}^{+}$ and $PCl_{6}^{-}$

• A) Acidic flux

B) Basic flux

C) Basic impurity

D) Acidic impurity

• A) At the corners of tetrahedron

B) At the corners of a cube

C) At the corners of a four membered ring

D) At the centre and corners of an equilateral triangle

• A) Hydroxy apatite and kernite

B) Colemanite and fluoraptite

C) Borax and fluoraptite

D) Hydroxy apatite and colemanite

E) Hydroxy apatite and fluorapatile

• A) $-3,\,+3$ and $+5$

B) $-3,\,+3$ and $-5$

C) $-3,\,+4$ and $-4$

D) $-3,\,+3$ and $+4$

• A) Availability of vacant d-orbital in P but not in N

B) Lower electronegativity of P than N

C) Lower tendency of H bond formation in P than N

D) Occurrence of P in solid while N in gaseous state at room temperature

• A) A dehydrating agent

B) An oxidising agent

C) A reducing agent

D) A nitrating agent

• A) It is more soluble in water

B) It is cheaper than ammonium sulphate

C) It is quite stable

D) It does not cause acidity in the soil

• A) It has a high dipole moment

B) It has a high heat of vapourisation

C) It is basic

D) It is a stable compound

• A) Stannic nitrate

B) Stannous nitrate

C) Stannous nitrite

D) Meta stannic acid

• A) Zinc with cold and dilute $HN{{O}_{3}}$

B) Zinc with concentrated $HN{{O}_{3}}$

C) Copper with cold and dilute $HN{{O}_{3}}$

D) Heating $N{{H}_{4}}N{{O}_{3}}$

• A) $C{{r}^{3+}}$ and $C{{r}_{2}}O_{7}^{2-}$ are formed

B) $C{{r}_{2}}O_{7}^{2-}$and ${{H}_{2}}O$ are formed

C) $CrO_{4}^{2-}$ is reduced to $+3$ state of $Cr$

D) $CrO_{4}^{2-}$ is oxidized to $+7$ state of $Cr$

• A) Inert nature of nitrogen

B) Reactivity of phosphorus

C) Larger size of phosphorus atom

D) Dissimilar electronic configuration

• A) Urea

B) Ammonium nitrate

C) Ammonium sulphate

D) Calcium ammonium nitrate

• A) $P{{H}_{3}}$ is not much stable

B) $P{{H}_{3}}$ is neutral towards litmus

C) $P{{H}_{3}}$ has fishy smell

D) $P{{H}_{3}}$ is insoluble in water

• A) $N{{H}_{4}}Cl$

B) $N{{H}_{4}}N{{O}_{3}}$

C) ${{(N{{H}_{4}})}_{2}}C{{O}_{3}}$

D) $N{{H}_{4}}OH$

• A) Nitride

B) Nitrate

C) Nitrite

D) Nitrosyl chloride

• A) 6, 6

B) 5, 5

C) 5, 6

D) 6, 5

• A) $N{{a}_{2}}{{P}_{2}}{{O}_{7}}$

B) $N{{a}_{4}}{{P}_{2}}{{O}_{7}}$

C) $NaP{{O}_{4}}$

D) $N{{a}_{2}}P{{O}_{2}}$

• A) $NO$

B) ${{N}_{2}}O$

C) ${{N}_{2}}{{O}_{3}}$

D) ${{N}_{2}}{{O}_{5}}$

• A) ${{H}_{5}}{{P}_{3}}{{O}_{10}}$

B) ${{H}_{6}}{{P}_{4}}{{O}_{13}}$

C) ${{H}_{5}}{{P}_{5}}{{O}_{15}}$

D) ${{H}_{7}}{{P}_{5}}{{O}_{16}}$

• A) C and ${{O}_{2}}$

B) $Cu$ and ${{N}_{2}}O$

C) $Na$ and $N{{H}_{3}}$

D) $Cu$ and $HN{{O}_{3}}$

• A) ${{N}_{2}}O$

B) $NO$

C) $NC{{l}_{3}}$

D) $N{{O}_{2}}$

• A) Sodium hydride

B) Sodium amide

C) Sodium atoms

D) Solvated electrons

• A) The mixture only cools down

B) $PC{{l}_{3}}$ and HCl are formed and the mixture warms up

C) $PC{{l}_{5}}$ and HCl are formed and the mixture cools down

D) $P{{H}_{3}}.\,C{{l}_{2}}$ is formed with warming up

• A) ${{P}_{4}}{{O}_{10}}$ is basic and $N{{H}_{3}}$ is acidic

B) ${{P}_{4}}{{O}_{10}}$ is acidic and $N{{H}_{3}}$is basic

C) ${{P}_{4}}{{O}_{10}}$ is not a drying agent

D) ${{P}_{4}}{{O}_{10}}$ reacts with moisture in $N{{H}_{3}}$

• A) ${{N}_{2}}$

B) ${{N}_{2}}O$

C) $N{{H}_{2}}OH$

D) ${{H}_{2}}O$

• A) Reducing agent

B) Oxidising agent

C) Dehydrating agent

D) Preservative

• A) No vacant d-orbital

B) High dissociation energy

C) High electronegativity

D) None

• A) Phosphorus

B) Tin

C) Antimony

D) Bismuth

• A) $Pt$

B) $Fe+Mo$

C) $CuO$

D) $A{{l}_{2}}{{O}_{3}}$

• A) A deep blue solution is obtained

B) No change is observed

C) Blue precipitate of copper hydroxide is obtained

D) Black precipitate of copper oxide is obtained

• A) Hydrocyanic acid

B) Ammonia

C) Ammonium cyanide

D) Urea

• A) Zero

B) Two

C) Three

D) Four

• A) $N{{O}_{2}}$

B) ${{N}_{2}}O$

C) $NO$

D) ${{N}_{2}}{{O}_{5}}$

• A) Bone meal

B) Thomas meal

C) Nitro phosphate

D) Ammonium sulphate

• A) $C{{O}_{2}}$

B) ${{H}_{2}}$

C) $N{{O}_{2}}$

D) $N{{H}_{3}}$

• A) Quick lime

B) Slaked lime

C) Anhy.$CaC{{l}_{2}}$

D) None of these

• A) $AgI$

B) $AgBr$

C) $AgCl$

D) $CuC{{l}_{2}}$

• A) $N{{a}_{2}}C{{O}_{3}}$

B) $A{{g}_{2}}C{{O}_{3}}$

C) $CuC{{O}_{3}}$

D) ${{(N{{H}_{4}})}_{2}}C{{O}_{3}}$

• A) $N{{H}_{3}}$

B) $P{{H}_{3}}$

C) $Sb{{H}_{3}}$

D) $As{{H}_{3}}$

• A)

B)

C)

D)

• A) Urea

B) Potassium nitrate

C) Ammonium sulphate

D) Superphosphate of lime

• A) 1 : 3 conc. $HN{{O}_{3}}$ and conc. $HCl$

B) 1 : 2 conc. $HN{{O}_{3}}$ and conc. $HCl$

C) 3 : 1 conc. $HN{{O}_{3}}$ and conc. $HCl$

D) 2 : 1 conc. $HN{{O}_{3}}$ and conc. $HCl$

• A) Nitric oxide

B) Nitrous oxide

C) Nitrogen dioxide

D) Dinitrogen oxide

• A) -1 to +3

B) -3 to +3

C) -3 to +5

D) -5 to +1

• A) ${{B}_{3}}{{N}_{3}}{{H}_{6}}$

B) ${{B}_{3}}{{N}_{3}}$

C) $SiC$

D) $Fe{{(CO)}_{5}}$

• A) Al

B) Sn

C) Cu

D) Zn

• A) $SbC{{l}_{3}}$

B) $BiC{{l}_{5}}$

C) $SbC{{l}_{5}}$

D) $AsC{{l}_{5}}$

• A) Dibasic acid

B) Monobasic acid

C) Tribasic acid

D) Tetrabasic acid

• A) $N{{a}_{2}}S{{O}_{4}}$

B) $BiOCl$

C) $Pb(OH)Cl$

D) $N{{a}_{2}}HP{{O}_{4}}$

• A) Odour

B) Combustibility

C) Basic nature

D) None of these

• A) $As{{H}_{3}}$

B) $Sb{{H}_{3}}$

C) $N{{H}_{3}}$

D) $P{{H}_{3}}$

• A) Nitrogen

B) Bismuth

C) Arsenic

D) Phosphorus

• A) ${{H}_{3}}P{{O}_{4}}$

B) ${{H}_{3}}P{{O}_{3}}$

C) ${{H}_{3}}B{{O}_{3}}$

D) ${{H}_{3}}P{{O}_{2}}$

• A) ${{N}_{2}}$

B) ${{H}_{2}}$

C) ${{O}_{2}}$

D) $N{{H}_{3}}$

• A) 23

B) 15

C) 33

D) 43

• A) $P{{H}_{3}}$

B) ${{P}_{2}}{{H}_{6}}$

C) ${{P}_{2}}{{H}_{5}}$

D) $PH_{6}^{+}$

• A) Potassium chlorate, red lead

B) Potassium chlorate, antimony sulphide

C) Antimony sulphide, red phosphorus

• A) ${{H}_{3}}P{{O}_{2}}$

B) ${{H}_{3}}P{{O}_{3}}$

C) ${{H}_{3}}P{{O}_{4}}$

D) ${{H}_{4}}{{P}_{2}}{{O}_{7}}$

• A) $N{{O}_{3}}$

B) $N{{O}_{2}}$

C) Amino acids

D) Ammonia

• A) One mole of phosphine

B) Two moles of phosphoric acid

C) Two moles of phosphine

D) One mole of phosphorous pentoxide

• A) Oxygen

B) Ammonia

C) Nitrous oxide

D) Nitrogen

• A) $B>P=As=Bi$

B) $B>P>As>Bi$

C) $B<P=As=Bi$

D) $B<P<As<Bi$

• A) $NO$

B) $N{{H}_{4}}Cl$

C) ${{N}_{2}}{{H}_{4}}$

D) $HN{{O}_{2}}$

• A) Hydrogen bonding

B) Phosphorous group

C) Maximum oxygen group

D) Tribasicity

• A) $P$

B) $As$

C) $Sb$

D) $Bi$

• A) Nitrogen has less affinity towards halogens

B) Nitrogen halides are covalent

C) Nitrogen undergoes ${{d}^{2}}s{{p}^{3}}$ hybridization

D) Nitrogen does not have d-orbitals

• A) The basic strength of hydrides increases

B) Almost pure p-orbitals are used for $M-H$ bonding

C) The bond energies of $M-H$ bond increase

D) The bond pairs of electrons become nearer to the central atom

• A) $B$

B) $Al$

C) $N$

D) $P$

• A) Highest oxidation state

B) Non-metallic character

C) Stability of hydrides

D) Physical state

• A) ${{H}_{3}}P{{O}_{2}}$

B) ${{H}_{3}}P{{O}_{3}}$

C) ${{H}_{3}}P{{O}_{4}}$

D) ${{H}_{4}}{{P}_{2}}{{O}_{6}}$

• A) Phosphorus

B) Sulphur

C) Carbon

D) Nitrogen

• A) Breathing gas

B) Laughing gas

C) exercising gas

D) Laboratory gas

• A) $N{{O}_{2}}$

B) $NO$

C) ${{N}_{2}}{{O}_{5}}$

D) ${{N}_{2}}O$

• A) Br

B) Cl

C) Hg

D) P

• A) ${{N}_{2}}{{O}_{3}}$

B) ${{N}_{2}}{{O}_{5}}$

C) $N{{O}_{2}}$

D) ${{H}_{2}}O$

• A) Zero

B) Two

C) One

D) Three

• A) ${{N}_{2}}O$

B) ${{N}_{2}}{{O}_{3}}$

C) ${{N}_{2}}{{O}_{4}}$

D) ${{N}_{2}}{{O}_{5}}$

• A) Red

B) White

C) Black

D) Yellow

• A) Heating $N{{H}_{4}}N{{O}_{2}}$

B) Heating $N{{H}_{4}}N{{O}_{3}}$

C) Treating ${{H}_{2}}{{O}_{2}}$ with $NaN{{O}_{2}}$

D) Treating $M{{g}_{3}}{{N}_{2}}$ with ${{H}_{2}}O$

• A) N

B) P

C) As

D) Sb

• A) $N{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}>Sb{{H}_{3}}$

B) $Sb{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}>N{{H}_{3}}$

C) $Sb{{H}_{3}}>N{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}$

D) $N{{H}_{3}}>P{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}$

• A) $PC{{l}_{3}}$

B) $BiC{{l}_{3}}$

C) $SbC{{l}_{3}}$

D) $CC{{l}_{4}}$

• A) Calcium

B) Phosphine

C) Phosphorus

D) Phosphorus pentoxide

• A) $N{{H}_{4}}Cl$

B) $CaC{{O}_{3}}$

C) $BaS{{O}_{4}}$

D) $CaHP{{O}_{3}}$

• A) 17

B) 16

C) 15

D) 6

• A) $N{{a}_{2}}O$

B) $ZnO$

C) MgO

D) ${{P}_{2}}{{O}_{5}}$

• A) $NO$

B) $N{{O}_{2}}$

C) ${{N}_{2}}{{O}_{5}}$

D) ${{N}_{2}}O$

• A) 6

B) 7

C) 5

D) 9

• A) Ammonia

B) Elements of nitrogen

C) Nitrates

D) Nitrides