Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev

Chemistry 28 Years Past year papers for NEET/AIPMT Class 12

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NEET : Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev

The document Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev is a part of the NEET Course Chemistry 28 Years Past year papers for NEET/AIPMT Class 12.
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Q.1. Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is    (2018)
A: CH≡CH
B: CH2=CH2
C: CH3–CH3
D: CH4
Ans: D

Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev

Q.2. Identify A and predict the type of reaction    (2017)
Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev
A:Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev
B:Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev
C:Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev
D:Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev
Ans: 
D
Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev

Q.3. For the following reaction :    (2016)
Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev
Which of the following statements is correct ?
A: (a) is substitution, (b) and (c) are addition reactions.
B: (a) is elimination, (b) and (c) are substitution reactions.
C: (a) is elimination, (b) is substitution and (c) addition reaction.
D: (a) and (b) are elimination reactions and (c) is addition reaction.
Ans:
C
Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev

Q.4. Which of the following compounds will undergo racemisation when solution of KOH    (2014)
hydrolyses ?

Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev
A: (iii) and (iv)
B: (i) and (iv)
C: (i) and (ii)
D: (ii) and (iv)
Ans:
B
Correct option (None)
Due to chirality
Previous Year Questions (2014-19) - Haloalkanes and Haloarenes Notes | EduRev
Only compound (iv) will undergo racemisation. Hence, all the given options are incorrect.

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