Solved papers for NEET Chemistry 18_NEET_PYQ-GOC_QF

done 18_NEET_PYQ-GOC_QF Total Questions - 13

• question_answer1) Which one of the following orders is correct regarding the  effect of the substituents?  [AIPMT 1998]
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer2) Polarization of electrons in acrolein may be written as:                                [AIPMT 2000]
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer3) Which amongst the following is the most stable carbocation?                   [AIPMT (S) 2005]
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer4) 

  For the following:               [AIPMT (S) 2007]

  (i)

  (ii)

  (iii)

  the increasing order of nucleophilicity would be :

  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer5) 

  The stability of carbanions in the following                                      [AIPMT (S) 2008]

  (1)

  (2)

  (3)

  (4)

  is in the order of

  A)
  (1)>(2)>(3)>(4)
  done clear
  B)
  (2)>(3)>(4)>(1)
  done clear
  C)
  (4)>(2)>(3)>(1)
  done clear
  D)
  (1)>(3)>(2)>(4)
  done clear
  View Answer play_arrow

• question_answer6) Which of the following species is not electrophonic in nature?      [AIPMT (M) 2010]
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer7) Which of the following will be most stable diazonium salt           [AIPMT 2014]
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer8) In which of the following compounds, the C—Cl bond ionisation shall give most stable carbonium ion? [NEET 2015]
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer9) 

  Consider the following compounds                                                                         [NEET 2015 ]

  (i)

  (ii)

  (iii)  hyperconjugation occurs in

  A)
  I only
  done clear
  B)
  II only
  done clear
  C)
  III only
  done clear
  D)
  I and III
  done clear
  View Answer play_arrow

• question_answer10) Which of the following statements is not correct for a nucleophile?                [NEET 2015 (Re)]
  A)
  Nucleophile is a Lewis acid
  done clear
  B)
  Ammonia is a nucleophile
  done clear
  C)
  Nucleophiles attack tow electrons density sites
  done clear
  D)
  Nucleophiles are not electron seeking
  done clear
  View Answer play_arrow

• question_answer11) Which of the following carbocation’s is expected to be most stable? [NEET - 2018]
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer12) Which of the following is correct with respect to - I effect of the substituents? (R = alkyl) [NEET - 2018]
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer13) A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following?                                                                                                                                   [NEET 2020]
  A)
  + R effect of - groups
  done clear
  B)
  - R effect of -  groups
  done clear
  C)
  Hyperconjugation
  done clear
  D)
  - I effect of -  groups
  done clear
  View Answer play_arrow