Question

IN BOSCH'S PROCESS OF MANUFACTURE OF HYDROGEN ,THE COKE HAS TO BE HEATED PERIODICALLY . WHY ?

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Answer 1

Answer:

Step [[I]] - Preparation of water gas by passing steam over hot white coke

C+H_2O→[CO+H_2]-\triangleC+H

2

O→[CO+H

2

]−△

Step [[II]] - Reduction of steam to hydrogen

CO+H_2+H_2O\ →\ CO_2+2H_2+\triangleCO+H

2

+H

2

O → CO

2

+2H

2

+△

(b) Promoter Cr_2O_3Cr

2

O

3

is used to increase the activity of catalysts.

(c) Ammoniacal cuprous chloride solution absorbs unreacted CO.