Ncert Exercises & Solutions

Give one method for industrial preparation and one for laboratory preparation of CO and
$C O_{2}$ each.

(i) 2 B F_{3} + 6 L i H \underset{}{\to} B_{2} H_{6} + 6 L i F

B o r o n t r i f l u o r i d e L i t h i u m h y d r i d e D i b o r a n e L i t h i u m f l u o r i d e

(i i) B_{2} H_{6} + 6 H_{2} O \overset{}{\to} 2 H_{3} B O_{3} + 6 H_{2}

D i b o r a n e w a t e r O r t h o b o r i c a c i d H y d r o g e n

(i i i) B_{2} H_{6} + 2 N a H \overset{w a t e r}{\to} 2 N a B H_{4}

D i b o r a n e S o d i u m h y b r i d e S o d i u m b o r o g y d r i d e

(iv)

(v) 2 A I + 2 N a O H + 6 H_{2} O \overset{}{\to} 2 N a^{+} [A I (O H)

₄]-(aq) + 3H2

S o d i u m t e r a h y d r o x o a l u m i n a t e (I I I)

(v i) 3 B_{2} H_{6} + 6 N H_{3} \overset{}{\to} 3 [B H_{2} {(N H_{3})}_{2}]^{+} {[B H_{4}]}^{-} \overset{}{\to} 2 B_{3} N_{3} H_{6} + 12 H_{2}

B o r a z e n e