NaBH 4 + I 2 ⎯→ X + Y + 2NaI X + C 2 H 5 OH ⎯→ Y + D X + HC…

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

NaBH 4 + I 2 ⎯→ X + Y + 2NaI

X + C 2 H 5 OH ⎯→ Y + D

X + HCl ⎯→ Y + E

D gives following colour with flame

Red

Green

Blue

No colour

Text Solution

Verified by Experts

The correct answer is:

X : B 2 H 6 Y : H 2

NaBH 4 + I 2 ⎯→ B 2 H 6 + H 2 + 2NaI

B 2 H 6 + C 2 H 5 OH ⎯→ H 2 + B(OC 2 H 5 ) 3

B 2 H 6 + HCl ⎯→ H 2 + B 2 H 5 Cl

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