Match the following. Column-1 Reaction Column-2 Main product A B 2 H 6 + 2 CO ⟶ I B 2 O 3 B B 2 H 6 + 3 O 2 ⟶ II 2 BH 3 · CO C B 2 H 6 + 6 H 2 O ⟶ III 2 H 3 BO 3 IV 2 BH 2 ( CO ) V 2 HBO 2 The correct match is

Question

Match the following. Column-1 Reaction Column-2 Main product A B 2 H 6 + 2 CO ⟶ I B 2 O 3 B B 2 H 6 + 3 O 2 ⟶ II 2 BH 3 · CO C B 2 H 6 + 6 H 2 O ⟶ III 2 H 3 BO 3 IV 2 BH 2 ( CO ) V 2 HBO 2 The correct match is, A B C IV I III, A B C II III V, A B C IV III I ., A .B C II I III

MARKS App · Accepted Answer

Boron hydride is an electron deficient species so, it act like and Lewis acid and carbon monoxide act as a Lewis base and form a co-ordinate bond. B 2 H 6 + CO ⟶ 2 BH 3 · CO It is oxidised with air. B 2 H 6 + 3 O 2 ⟶ B 2 O 3 + 3 H 2 O It is hydrolysed with water to give B 2 H 6 + 6 H 2 O ⟶ 2 H 3 BO 3 + 6 H 2

	Column-1 Reaction		Column-2 Main product
A	$B_{2} H_{6} + 2 CO ⟶$	I	$B_{2} O_{3}$
B	$B_{2} H_{6} + 3 O_{2} ⟶$	II	$2 {BH}_{3} \cdot CO$
C	$B_{2} H_{6} + 6 H_{2} O ⟶$	III	$2 H_{3} {BO}_{3}$
		IV	$2 {BH}_{2} (CO)$
		V	$2 {HBO}_{2}$

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