Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Aldehydes, Ketones and Carboxylic Acids

Question:

The appropriate reagent for the transformation 

Options:

Zn(Hg), HCl

NH2NH2, OH-

H2/ Ni

NaBH4

Correct Answer:

NH2NH2, OH-

Explanation:

Both Zn(Hg), HCl and NH2NH2, OH- can reduce COCH3 to CH2CH3 group but HCl will also bring about substitution of OH by Cl. Therefore, the most effective reagent is NH2NH2, OH-.