Question

In the above conversion of compound $( X )$ to product $( Y )$, the sequence of reagents to be used will be:

• A. (i) $Fe , H ^{+}$ (ii)$Br _2( aq )$ (iii) $HNO _2$ (iv) $CuBr$
• B. (i) $Fe , H ^{+}$ (ii) $Br _2( aq )$ (iii) $HNO _2$ (iv) $H _3 PO _2$
• C. (i) $Br _2, Fe$ (ii) $Fe , H ^{+}$ (iii) $LiAIH _4$
• D. (i) $Br _2( aq )$ (ii) $LiAIH _4$ (iii) $H _3 O ^{+}$

Answer 1

Answer: (B)

(i) $Fe , H ^{+}$ (ii) $Br _2( aq )$ (iii) $HNO _2$ (iv) $H _3 PO _2$

Answer 2

Correct answer is (b) (i) Fe,H+ (ii) Br2​(aq) (iii) HNO2​ (iv) H3​PO2​