MPSC Rajyaseva 2021 GS Paper 1 — Question 70
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_____ हा सौम्य क्षपणक आहे, जो फक्त कार्बोनील गटाचे क्षपण इतर गट उदा. नायट्रो, कार्बोक्झिल, इस्टर, दुहेरी बंध असताना करतो. The mildest reducing agent which reduces only carbonyl group in presence of nitro, carboxyl, double bond and ester group is _____
1)LiAlH₄
2)Na - NH₃
3)NaBH₄✓ Correct
4)H₂ - Ni
Sodium borohydride (NaBH4) is a mild reducing agent that selectively reduces carbonyl groups (aldehydes and ketones) without affecting other functional groups like nitro, carboxyl, double bonds, or esters.
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