JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank

done Critical Thinking Total Questions - 22

• question_answer1)
  Which of the following statement is correct with respect to the property of elements with an increase in atomic number in the carbon family (group 14) [BHU 2004]
  A)
  Atomic size decrease done clear
  B)
  Ionization energy increase done clear
  C)
  Metallic character decrease done clear
  D)
  Stability of +2 oxidation state increase done clear
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• question_answer2)
  The pair of amphoteric hydroxides is [AIIMS 2005]
  A)
  \[Al{{(OH)}_{3}},\ LiOH\] done clear
  B)
  \[Be{{(OH)}_{2}},\ Mg{{(OH)}_{2}}\] done clear
  C)
  \[B{{(OH)}_{3}},\ Be{{(OH)}_{2}}\] done clear
  D)
  \[Be{{(OH)}_{2}},\ Zn{{(OH)}_{2}}\] done clear
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• question_answer3)
  Which of the following oxides is amphoteric in character [AIEEE 2005]
  A)
  \[CaO\] done clear
  B)
  \[C{{O}_{2}}\] done clear
  C)
  \[Si{{O}_{2}}\] done clear
  D)
  \[Sn{{O}_{2}}\] done clear
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• question_answer4)
  Which has highest melting point [RPMT 1997]
  A)
  \[LiCl\] done clear
  B)
  \[BeC{{l}_{2}}\] done clear
  C)
  \[BC{{l}_{3}}\] done clear
  D)
  \[CC{{l}_{4}}\] done clear
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• question_answer5)
  Arrange \[S,\,O\] and \[Se\] in ascending order of electron affinity [Roorkee 1990]
  A)
  Se < S < O done clear
  B)
  Se < O < S done clear
  C)
  S < O < Se done clear
  D)
  S < Se < O done clear
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• question_answer6)
  Which of the following is not the correct increasing order of ionisation energy [RPMT 2000]
  A)
  \[C{{l}^{-}}<Ar<{{K}^{+}}\] done clear
  B)
  \[Au<Ag<Cu\] done clear
  C)
   \[Cs<Rb<K\] done clear
  D)
  \[K<Ca<Sc\] done clear
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• question_answer7)
  In which of the following arrangements the order is NOT according to the property indicated against it [AIEEE 2005]
  A)
  \[A{{l}^{3+}}<M{{g}^{2+}}<N{{a}^{+}}<{{F}^{-}}\] : Increasing ionic size done clear
  B)
  \[B<C<N<O\] : Increasing first ionization enthalpy done clear
  C)
  \[I<Br<F<Cl\] : Increasing electron gain enthalpy (with negative sign) done clear
  D)
  \[Li<Na<K<Rb\] : Increasing metallic radius done clear
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• question_answer8)
  Which element has the greatest tendency to loose electrons [NCERT 1980]
  A)
  F done clear
  B)
  S done clear
  C)
  Fe done clear
  D)
  Be done clear
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• question_answer9)
  Strongest acid is [RPMT 1997]
  A)
  \[A{{l}_{2}}{{O}_{3}}\] done clear
  B)
  \[MgO\] done clear
  C)
  \[N{{a}_{2}}O\] done clear
  D)
  \[CaO\] done clear
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• question_answer10)
  Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species [CBSE PMT 2005]
  A)
  \[Cl<F<S<O\] done clear
  B)
  \[O<S<F<Cl\] done clear
  C)
  \[S<O<Cl<F\] done clear
  D)
  \[F<Cl<O<S\] done clear
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• question_answer11)
  Increasing order of electronegativity is [RPET 2003]
  A)
  \[Bi<P<S<Cl\] done clear
  B)
  \[P<Bi<S<Cl\] done clear
  C)
  \[S<Bi<P<Cl\] done clear
  D)
  \[Cl<S<Bi<P\] done clear
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• question_answer12)
  What will be the order of Ist ionisation energy [BHU 2005]
  A)
  Li > Na > K done clear
  B)
  K > Li > Na done clear
  C)
  Na > Li > K done clear
  D)
  Li > K > Na done clear
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• question_answer13)
  Which of the following configurations represents atoms of the elements having the highest second ionization energy [Pb. PMT 1998]
  A)
  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{4}}\] done clear
  B)
  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}\] done clear
  C)
  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{1}}\] done clear
  D)
  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}\] done clear
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• question_answer14)
  The first ionization potentials in electron volts of nitrogen and oxygen atoms are respectively given by [IIT 1987]
  A)
  14.6, 13.6 done clear
  B)
  13.6, 14.6 done clear
  C)
  13.6, 13.6 done clear
  D)
  14.6, 14.6 done clear
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• question_answer15)
  The elements which occupy the peaks of ionisation energy curve, are [CBSE 2000]
  A)
  \[Na,\,\,K,\,\,Rb,\,Cs\] done clear
  B)
  \[Na,\,\,Mg,\,\,Cl,\,\,I\] done clear
  C)
  \[Cl,\,\,Br,\,\,I,\,F\] done clear
  D)
  \[He,\,\,Ne,\,\,Ar,\,\,Kr\] done clear
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• question_answer16)
  Which is the correct order of ionic sizes (At. No. : Ce = 58, Sn = 50, Yb = 70 and Lu = 71) [AIEEE 2002]
  A)
  \[Ce>Sn>Yb>Lu\] done clear
  B)
  \[Sn>Ce>Lu>Yb\] done clear
  C)
  \[Lu>Yb>Sn>Ce\] done clear
  D)
  \[Sn>Yb>Ce>Lu\] done clear
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• question_answer17)
  A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configuration [CBSE PMT 1992; AFMC 1998; CPMT 1999]
  A)
  \[1{{s}^{2}},\,2{{s}^{2}}{{p}^{6}},\,3{{s}^{1}}\] done clear
  B)
  \[1{{s}^{2}},\,2{{s}^{2}}{{p}^{6}},\,3{{s}^{2}}{{p}^{1}}\] done clear
  C)
  \[1{{s}^{2}},\,2{{s}^{2}}{{p}^{6}},\,3{{s}^{2}}{{p}^{2}}\] done clear
  D)
  \[1{{s}^{2}},\,2{{s}^{2}}{{p}^{6}},\,3{{s}^{2}}\] done clear
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• question_answer18)
  Which element having following electronic configurations has minimum ionization potential [NCERT 1978; KCET 1991; CBSE PMT 1991; Pb. PET 1999; BHU 2000]
  A)
  \[1{{s}^{1}}\] done clear
  B)
  \[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{6}}\] done clear
  C)
  \[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{6}},\,3{{s}^{1}}\] done clear
  D)
  \[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{2}}\] done clear
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• question_answer19)
  Arrange F, Cl, O, N in the decreasing order of electronegativity 
  A)
  \[O>F>N>Cl\] done clear
  B)
  \[F>N>Cl>O\] done clear
  C)
  \[Cl>F>N>O\] done clear
  D)
  \[F>O>N\,\,\,>\]\[Cl\] done clear
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• question_answer20)
  Ionic radii of [IIT-JEE 1999]
  A)
  \[T{{i}^{4+}}<M{{n}^{7+}}\] done clear
  B)
  \[^{35}C{{l}^{-}}{{<}^{37}}C{{l}^{-}}\] done clear
  C)
  \[{{K}^{+}}>C{{l}^{-}}\] done clear
  D)
  \[{{P}^{3+}}>{{P}^{5+}}\] done clear
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• question_answer21)
  Which of the following have high electron affinity [BHU 2000, 05]
  A)
  F done clear
  B)
  Cl done clear
  C)
  N done clear
  D)
  O done clear
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• question_answer22)
  In which block 106th element belongs [DCE 2000]
  A)
  s-block done clear
  B)
  p-block done clear
  C)
  d-block done clear
  D)
  f-block done clear
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