Question

the sum of the covalency of central atom B in both cationic and anionic parts of intermediates ​

Answer 1

Explanation:

When 1 mole of B

2

H

6

reacts with 2 moles of NH

3

by slow heating, an addition compound B

2

H

6

.2NH

3

is formed which on further heating at 200

o

C forms borazine (B

3

N

3

H

6

).

(Refer to Image)

Covalency of amionic part=4