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question_answer1)
Between \[HF,HCl,HBr\] and \[HI,HF\] has the highest ionic character because
A)
F has the highest electron affinity done
clear
B)
In \[HF\], electronegativity difference is highest done
clear
C)
\[{{F}^{-}}\] ion has the highest value of ionic radius done
clear
D)
Atomic orbitals of H and F have almost similar energy done
clear
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question_answer2)
On going from right to left in a period in the periodic table the electronegativity of the elements [MP PET/PMT 1998; MP PMT 2002]
A)
Increases done
clear
B)
Decreases done
clear
C)
Remain unchanged done
clear
D)
Decreases first then increases done
clear
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question_answer3)
On Pauling scale which of the following does not have electronegativity \[\ge \] 3.0 [MP PET 1994]
A)
Oxygen done
clear
B)
Nitrogen done
clear
C)
Chlorine done
clear
D)
Bromine done
clear
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question_answer4)
Which one of the following represents the electronic configuration of the most electropositive element [AIIMS 1982; CPMT 1994; MP PMT 2000]
A)
\[[He]\,2{{s}^{1}}\] done
clear
B)
\[[Xe]\,6{{s}^{1}}\] done
clear
C)
\[[He]\,2{{s}^{2}}\] done
clear
D)
\[[Xe]\,6{{s}^{2}}\] done
clear
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question_answer5)
An atom with high electronegativity has [Kerala (Med.) 2003]
A)
Large size done
clear
B)
High ionisation potential done
clear
C)
Low electron affinity done
clear
D)
Low ionisation potential done
clear
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question_answer6)
Two elements whose electronegativities are 1.2 and 3.0 the bond formed between them would be [MP PET 2002]
A)
Ionic done
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B)
Covalent done
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C)
Coordinate done
clear
D)
Metallic done
clear
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question_answer7)
The solubilities of carbonates decreases down the magnesium group due to a decrease in [AIEEE 2003]
A)
Lattice energies of solids done
clear
B)
Hydration energies of cations done
clear
C)
Inter-ionic attraction done
clear
D)
Entropy of solution formation done
clear
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question_answer8)
Which element has the highest electronegativity or Which of the following is the most electronegative [CPMT 1981; Roorkee 1995; MP PMT 2003; EAMCET 1980; CPMT 1989; MNR 1994; MP PMT 1999]
A)
F done
clear
B)
He done
clear
C)
Ne done
clear
D)
Na done
clear
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question_answer9)
Which element has the highest electronegativity [MP PET/PMT 1998]
A)
C done
clear
B)
Mg done
clear
C)
O done
clear
D)
S done
clear
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question_answer10)
Keeping in view the periodic law and the periodic table suggest which of the following elements should have the maximum electronegative character [MNR 1985]
A)
P done
clear
B)
As done
clear
C)
Bi done
clear
D)
Sb done
clear
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question_answer11)
The outermost electronic configuration of the most electronegative element is [MP PET 1996; RPMT 1997; MP PET 2004]
A)
\[n{{s}^{2}}n{{p}^{3}}\] done
clear
B)
\[n{{s}^{2}}n{{p}^{4}}\] done
clear
C)
\[n{{s}^{2}}n{{p}^{5}}\] done
clear
D)
\[n{{s}^{2}}n{{p}^{6}}\] done
clear
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question_answer12)
Going from fluorine to chlorine, bromine and iodine, the electronegativity [MP PMT 2000]
A)
Increases done
clear
B)
Decreases done
clear
C)
First decreases then increases done
clear
D)
Changes randomly done
clear
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question_answer13)
Of the following elements, which one has highest electro-negativity [CPMT 1988; CBSE PMT 1991; BHU 1996; Kurukshetra CET 2002; Pb. PMT 2004]
A)
I done
clear
B)
Br done
clear
C)
Cl done
clear
D)
F done
clear
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question_answer14)
Which of the following is most electronegative [CPMT 1999]
A)
Carbon done
clear
B)
Silicon done
clear
C)
Lead done
clear
D)
Tin done
clear
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question_answer15)
The property of attracting electrons by the halogen atom in a molecule is called [CPMT 1996]
A)
Ionisation potential done
clear
B)
Electron affinity done
clear
C)
Electronegativity done
clear
D)
Electronic attraction done
clear
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question_answer16)
In third row of periodic table from \[Na\] to \[Cl\] [MP PET 1986]
A)
Electronegativity increases done
clear
B)
Electronegativity decreases done
clear
C)
Ionization energy decreases done
clear
D)
Atomic volume increases done
clear
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question_answer17)
Which of the following is the most electropositive element [AIIMS 1998]
A)
Aluminium done
clear
B)
Magnesium done
clear
C)
Phosphorus done
clear
D)
Sulphur done
clear
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question_answer18)
Which of the following sets of atoms is arranged in order of increasing electronegativity
A)
S, Si, P done
clear
B)
S, P, Si done
clear
C)
Si, P, S done
clear
D)
Si, S, P done
clear
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question_answer19)
Which of the following property displays progressive increase with the rise in atomic number across a period in the periodic table
A)
Electronegativity done
clear
B)
Electron affinity done
clear
C)
Ionization potential done
clear
D)
Size of the atom done
clear
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question_answer20)
With respect to chlorine, hydrogen will be [NCERT 1978; MP PMT 2003]
A)
Electropositive done
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B)
Electronegative done
clear
C)
Neutral done
clear
D)
None of the above done
clear
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question_answer21)
The correct order of electropositive nature of Li, Na and K is
A)
Li > Na > K done
clear
B)
Li > K > Na done
clear
C)
Na > K > Li done
clear
D)
K > Na > Li done
clear
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question_answer22)
Electronegativity is a measure of the capacity of an atom to [CPMT 1989]
A)
Attract electrons done
clear
B)
Attract protons done
clear
C)
Repel electrons done
clear
D)
Repel protons done
clear
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question_answer23)
With increasing atomic number in a certain period [MP PMT 1987]
A)
The chemical reactivity decreases done
clear
B)
The chemical reactivity increases done
clear
C)
The electropositive character increases done
clear
D)
The electronegative character increases done
clear
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question_answer24)
Which of the following have maximum electronegativity [CPMT 1982]
A)
Al done
clear
B)
S done
clear
C)
Si done
clear
D)
P done
clear
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question_answer25)
Which element has the lowest electronegativity [CPMT 1976]
A)
Li done
clear
B)
F done
clear
C)
Fe done
clear
D)
Cl done
clear
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question_answer26)
The attraction that an atom exerts on a pair of electrons that are being shared between that atom and another atom to which it is bonded by a covalent bond is referred to as its [Manipal MEE 1995]
A)
Electron affinity done
clear
B)
Electronegativity done
clear
C)
Ionisation energy done
clear
D)
Valence done
clear
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question_answer27)
The electronegativity of the following elements increases in the order [IIT 1987]
A)
C, N, Si, P done
clear
B)
N, Si, C, P done
clear
C)
Si, P, C, N done
clear
D)
P, Si, N, C done
clear
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question_answer28)
Choose the correct statement
A)
Electronegativity increases down a group done
clear
B)
Electronegativity decreases down a group done
clear
C)
Electronegativity decreases from left to right along a period done
clear
D)
Electronegativity changes along a group but remains constant along a period done
clear
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question_answer29)
In \[C,\,N,\,O\] and \[F\] the electronegativity [DPMT 2001]
A)
Decreases from carbon to fluorine done
clear
B)
Increases from carbon to fluorine done
clear
C)
Increases from carbon to oxygen and then decreases done
clear
D)
Decreases from carbon to oxygen and then increases done
clear
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question_answer30)
Which is the correct order of electronegativities [EAMCET 1990]
A)
F > N < O > C done
clear
B)
F > N > O > C done
clear
C)
F < N < O < C done
clear
D)
F > N > O < C done
clear
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question_answer31)
In the following, the element with the highest electropositivity is [MP PET/PMT 1998]
A)
Copper done
clear
B)
Caesium done
clear
C)
Barium done
clear
D)
Chromium done
clear
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question_answer32)
Which one of the following has the highest electronegativity [UPSEAT 2004]
A)
Br done
clear
B)
Cl done
clear
C)
P done
clear
D)
Si done
clear
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question_answer33)
Which or these have no unit [AFMC 2004]
A)
Electronegativity done
clear
B)
Electron affinity done
clear
C)
Ionisation energy done
clear
D)
Excitation potential done
clear
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question_answer34)
The polarising ability of which one of the following is highest [DCE 2003]
A)
Small highly +ve ion done
clear
B)
Large +ve ion done
clear
C)
Small highly -ve ion done
clear
D)
Large -ve ion done
clear
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question_answer35)
Among \[A{{l}_{2}}{{O}_{3}},Si{{O}_{2}},{{P}_{2}}{{O}_{3}}\] and \[S{{O}_{2}}\]the correct order of acid strength is [AIEEE 2004]
A)
\[A{{l}_{2}}{{O}_{3}}<Si{{O}_{2}}<S{{O}_{2}}<{{P}_{2}}{{O}_{3}}\] done
clear
B)
\[Si{{O}_{2}}<S{{O}_{2}}<A{{l}_{2}}{{O}_{3}}<{{P}_{2}}{{O}_{3}}\] done
clear
C)
\[S{{O}_{2}}<{{P}_{2}}{{O}_{3}}<Si{{O}_{2}}<A{{l}_{2}}{{O}_{3}}\] done
clear
D)
\[A{{l}_{2}}{{O}_{3}}<Si{{O}_{2}}<{{P}_{2}}{{O}_{3}}<S{{O}_{2}}\] done
clear
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