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JEE Main 202124 FebruaryEvening Shift
Exam
JEE Main
Year
2021
Date
24 February
Shift
Evening Shift
Subject
Chemistry
Chapter
Aldehydes and Ketones

JEE Main 2021 · 24 February · Evening Shift · Chemistry · Aldehydes and Ketones

Which of the following reagent is suitable for the preparation of...

Which of the following reagent is suitable for the preparation of the product in the above reaction?

Which of the following reagent is suitable for the preparation of the product in the above reaction?

Options

  1. ARed P+Cl2P + {Cl}_{2}
  2. BNaBH4{NaBH}_{4}
  3. CNH2−NH2/C2H5O⊝N⊕a{NH}_{2} - {NH}_{2} / {C}_{2}{H}_{5}\overset{⊝}{O}\overset{⊕}{N}a
  4. DNi/H2Ni / {H}_{2}

Correct answer

C. NH2−NH2/C2H5O⊝N⊕a{NH}_{2} - {NH}_{2} / {C}_{2}{H}_{5}\overset{⊝}{O}\overset{⊕}{N}a

Step-by-step solution

In the given reaction, only the carbonyl group has been reduced while the carbon- carbon double bonds are unaltered.

This is possible with the help of Wolf Kishner Reduction whose reagent set is given in Opiton (C).

Which of the following reagent is suitable for the preparation of the product in the above reaction?

To reduce the carbonyl groups into alkane wolf - kischner reduction is used, without affecting the double bond.

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