Solved papers for NEET Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति NEET PYQ-Classification Elements In Properties

done NEET PYQ-Classification Elements In Properties Total Questions - 24

• question_answer1) The first ionization potential (in eV) of Be and B, respectively are:                                        [AIPMT 1998]
  A)
   8.29, 9.32       
  done clear
  B)
        9.32, 9.32                                           
  done clear
  C)
   8.29, 8.29
  done clear
  D)
                    9.32, 8.29           
  done clear
  View Answer play_arrow

• question_answer2) Which of the following elements has maximum electron affinity?                                                       [AIPMT 1999]
  A)
   \[Cl\]   
  done clear
  B)
                    Br     
  done clear
  C)
   I         
  done clear
  D)
                    F
  done clear
  View Answer play_arrow

• question_answer3) Correct order of Ist ionisation potential (I.P.) among following elements Be, B, C, N, O is:        [AIPMT 2001]
  A)
         \[B<Be<C<O<N\]      
  done clear
  B)
   \[B<Be<C<N<O\]
  done clear
  C)
   \[Be<B<C<N<O\]
  done clear
  D)
        \[Be<B<C<O<N\]
  done clear
  View Answer play_arrow

• question_answer4) An atom has electronic configuration \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}3{{d}^{3}}4{{s}^{2}},\] you will place it in:                                                                                                                                                 [AIPMT 2002]
  A)
         fifth group       
  done clear
  B)
     fifteenth group
  done clear
  C)
   second group     
  done clear
  D)
   third group
  done clear
  View Answer play_arrow

• question_answer5) The ions \[{{O}^{2-}},\,{{F}^{-}},\,N{{a}^{+}},M{{g}^{2+}}\] and \[A{{l}^{3+}}\] are isoelectronic. Their ionic radii show:                                                                                                                     [AIPMT 2003]
  A)
  an increase from \[{{O}^{2-}}\] to \[{{F}^{-}}\] and then decrease from \[N{{a}^{+}}\] to \[A{{l}^{3+}}\]
  done clear
  B)
        a decrease from \[{{O}^{2-}}\] to F- and then increase from \[N{{a}^{+}}\] to \[A{{l}^{3+}}\]
  done clear
  C)
        a significant increase from \[{{O}^{2-}}\] to \[A{{l}^{3+}}\]
  done clear
  D)
        a significant decrease from \[{{O}^{2-}}\] to \[A{{l}^{3+}}\]
  done clear
  View Answer play_arrow

• question_answer6) Ionic radii are:                                                                                                                [AIPMT (S) 2004]
  A)
   inversely proportional to effective nuclear charge
  done clear
  B)
   inversely proportional to square of effective nuclear charge
  done clear
  C)
   directly proportional to effective nuclear charge
  done clear
  D)
   directly proportional to square of effective nuclear charge
  done clear
  View Answer play_arrow

• question_answer7) Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species?                                                                                                   [AIPMT (S) 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
  View Answer play_arrow

• question_answer8) With which of the following electronic configuration an atom has the lowest ionisation enthalpy?            [AIPMT (S) 2007]
  A)
   \[1{{s}^{2}}\,2{{s}^{2}}\,2{{p}^{5}}\]
  done clear
  B)
                    \[1{{s}^{2\,}}\,2{{s}^{2}}\,2{{p}^{3}}\]    
  done clear
  C)
   \[1{{s}^{2}}\,2{{s}^{2}}\,2{{p}^{5}}\,3{{s}^{1}}\]
  done clear
  D)
        \[1{{s}^{2}}\,2{{s}^{2}}\,2{{p}^{6}}\]
  done clear
  View Answer play_arrow

• question_answer9) Identify the correct order of the size of the following:                                                 [AIPMT (S) 2007]
  A)
   \[C{{a}^{2+}}<{{K}^{+}}<Ar<{{S}^{2-}}<C{{l}^{-}}\]                       
  done clear
  B)
   \[C{{a}^{2+}}<{{K}^{+}}<Ar<C{{l}^{-}}<{{S}^{2-}}\]
  done clear
  C)
   \[Ar<C{{a}^{2+}}<{{K}^{+}}<C{{l}^{-}}<{{S}^{2-}}\]                       
  done clear
  D)
   \[C{{a}^{2+}}<Ar<{{K}^{+}}<C{{l}^{-}}<{{S}^{2-}}\]
  done clear
  View Answer play_arrow

• question_answer10) Which one of the following arrangements does not give the correct picture of the trends indicated against it?                        [AIPMT (S) 2008]
  A)
   \[{{F}_{2}}>C{{l}_{2}}>B{{r}_{2}}>{{I}_{2}}:\] Oxidizing power
  done clear
  B)
   \[{{F}_{2}}>C{{l}_{2}}>B{{r}_{2}}>{{I}_{2}}:\] Electron gain enthalpy
  done clear
  C)
   \[{{F}_{2}}>C{{l}_{2}}>B{{r}_{2}}>{{I}_{2}}:\]Bond dissociation energy
  done clear
  D)
               \[{{F}_{2}}>C{{l}_{2}}>B{{r}_{2}}>{{I}_{2}}\]: Electronegativity
  done clear
  View Answer play_arrow

• question_answer11) Amongst the elements with following electronic configurations, which one of them may have the highest ionisation energy?     [AIPMT (S) 2009]
  A)
                                         \[[Ne]\,3{{s}^{2}}3\,{{p}^{3}}\]       
  done clear
  B)
        \[[Ne]\,3{{s}^{2}}3\,{{p}^{2}}\]
  done clear
  C)
   \[[Ar]\,3{{d}^{10}},\,4{{s}^{2}}4\,{{p}^{3}}\]
  done clear
  D)
        \[[Ne]\,3{{s}^{2}}3\,{{p}^{1}}\]
  done clear
  View Answer play_arrow

• question_answer12) Which of the following pairs has the same size?                                                       [AIPMT (S) 2010]
  A)
   \[F{{e}^{2+}},N{{i}^{2+}}\]          
  done clear
  B)
        \[Z{{r}^{4+}},T{{i}^{4+}}\]           
  done clear
  C)
   \[Z{{r}^{4+}},H{{f}^{4+}}\]          
  done clear
  D)
        \[Z{{n}^{2+}},H{{f}^{4+}}\]
  done clear
  View Answer play_arrow

• question_answer13) The correct order of the decreasing ionic radii among the following is electronic species is          [AIPMT (S) 2010]
  A)
   \[C{{a}^{2+}}>{{K}^{+}}>{{S}^{2-}}>C{{l}^{-}}\]
  done clear
  B)
   \[C{{l}^{-}}>{{S}^{2-}}>C{{a}^{2+}}>{{K}^{+}}\]
  done clear
  C)
   \[{{S}^{2-}}>C{{l}^{-}}>{{K}^{+}}>C{{a}^{2+}}\]
  done clear
  D)
   \[{{K}^{+}}>C{{a}^{2+}}>C{{l}^{-}}>{{S}^{2-}}\]
  done clear
  View Answer play_arrow

• question_answer14) Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements O, S, F and Cl?                                                                                                                       [AIPMT (S) 2010]
  A)
   \[CI<F<O<S~~\]
  done clear
  B)
        \[O<S<F<Cl\]
  done clear
  C)
   \[F<S<O<Cl\]  
  done clear
  D)
        \[S~<O<Cl<F\]
  done clear
  View Answer play_arrow

• question_answer15) Among the elements \[Ca,\text{ }Mg,\text{ }P\] and Cl, the order of increasing atomic radii is              [AIPMT (M) 2010]
  A)
   \[Mg<Ca<Cl<P\]
  done clear
  B)
        \[Cl<P<Mg<Ca\]
  done clear
  C)
   \[P<Cl<Ca<Mg\]
  done clear
  D)
        \[Ca<Mg<P<Cl\]
  done clear
  View Answer play_arrow

• question_answer16) Among the following which one has the highest cation to anion size ratio?                                [AIPMT (M) 2010]
  A)
   Csl        
  done clear
  B)
   CsF                 
  done clear
  C)
   LiF   
  done clear
  D)
   NaF
  done clear
  View Answer play_arrow

• question_answer17) What is the value of electron gain enthalpy of \[N{{a}^{+}}\]if \[I{{F}_{1}}\] of \[Na=5.1\text{ }eV\]? [AIPMT (M) 2011]
  A)
   - 5.1 eV           
  done clear
  B)
   - 10.2 eV         
  done clear
  C)
   = 2.55 eV        
  done clear
  D)
        + 10.2 eV
  done clear
  View Answer play_arrow

• question_answer18) Identify the wrong statement in the following.                                                                      [AIPMT (S) 2012]
  A)
   Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius
  done clear
  B)
   Amongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius
  done clear
  C)
   Atomic radius of the elements increases as one moves down the first group of the Periodic Table
  done clear
  D)
   Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the Periodic Table
  done clear
  View Answer play_arrow

• question_answer19) Which of the following orders of ionic radii is correctly represented?                                        [AIPMT 2014]
  A)
   \[{{H}^{-}}>,{{H}^{+}}>H\]
  done clear
  B)
        \[N{{a}^{+}}>{{F}^{-}}>{{O}^{2-}}\]
  done clear
  C)
   \[{{F}^{-}}>{{O}^{2-}}>N{{a}^{+}}\]
  done clear
  D)
        None of these
  done clear
  View Answer play_arrow

• question_answer20) The species \[Ar,{{K}^{+}}\] and \[C{{a}^{2+}}\] contain the same number of electrons. In which order do their radii increase?                                                                                                                        [NEET 2015 ]
  A)
   \[Ar+{{K}^{+}}<C{{a}^{2+}}\]  
  done clear
  B)
        \[C{{a}^{2+}}<Ar<{{K}^{+}}\]
  done clear
  C)
   \[C{{a}^{2+}}<{{K}^{+}}<Ar\] 

  done clear D)     \[{{K}^{+}}<Ar<C{{a}^{2+}}\] done clear View Answer play_arrow question_answer21) In which of the following options the order of arrangement does not agree with the variation of property indicated against it?      [NEET - 2016] A)  \[A{{l}^{3+}}<M{{g}^{2+}}<N{{a}^{+}}<{{F}^{-}}\] (increasing ionic size) done clear B)  \[B<C<N<O\] (increasing first ionisation enthalpy) done clear C)  \[I<Br<Cl<F\](increasing electron gain enthalpy) done clear D)  \[Li<Na<K<Rb\](increasing metallic radius) done clear View Answer play_arrow question_answer22) The element \[Z=114\] has been discovered recently. It will belong to which of the following family group and electronic configuration?                                                                                                                 [NEET-2017] A)  Nitrogen family, \[[Rn]5{{f}^{14}}6{{d}^{10}}7{{s}^{2}}7{{p}^{6}}\] done clear B)  Halogen family, \[[Rn]5{{f}^{14}}6{{d}^{10}}7{{s}^{2}}7{{p}^{5}}\] done clear C)  Carbon family, \[[Rn]5{{f}^{14}}6{{d}^{10}}7{{s}^{2}}7{{p}^{2}}\] done clear D)  Oxygen family, \[[Rn]5{{f}^{14}}6{{d}^{10}}7{{s}^{2}}7{{p}^{4}}\] done clear View Answer play_arrow question_answer23)   For the second period elements the correct increasing order of first ionization enthalpy is-          [NEET 2019] A)  Li < B < Be < C < N < O < F < Ne done clear B)  Li < Be < B < C < O < N < F < Ne done clear C)  Li < Be < B < C < N < O < F < Ne done clear D)  Li < B < Be < C < O < N < F < Ne done clear View Answer play_arrow question_answer24)  Identify the incorrect match.                                                                                 [NEET 2020] Name IUPAC Official Name [a] Unnilunium (i) Mendelevium [b] Unniltrium (ii) Lawrencium [c] Unnilhexium (iii) Seaborgium [d] Unununnium (iv) Darmstadtium A)  , (ii)      done clear B)       , (iii) done clear C)  , (iv)     done clear D)       , (i) done clear View Answer play_arrow Study Package NEET PYQ-Classification Elements In Properties   Buy Now     Please Wait you are being redirected.... You need to login to perform this action. You will be redirected in 3 sec × Reset Password. Email : Send Password Cancel Add Mobile Enter Mobile Number Submit Logout Enter OTP OTP has been sent to your mobile number and is valid for one hour Enter One Time Password Submit Change Mobile: Submit Logout Mobile Number Verified Your mobile number is verified. Close Free Videos × For free video lectures fill in the form below and we will get back to you. * Email Address: * Mobile Number: Submit Cancel