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Preparations and Uses of Sodium Bicarbonate and Common Salt

In the given ...

Question

In the given Haber process, find out A.

CaO

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C a (O H)_{2}

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C a C O_{3}

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None of these

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Solution

The correct option is B $C a (O H)_{2}$
$(i) C a O + H_{2} O \to C a (O H)_{2} (A)$
$(i i) N H_{3} + H_{2} O + C O_{2} \to N H_{4} H C O_{3} (B)$
$(i i i) 2 N a H C O_{3} \to N a_{2} C O_{3} + C O_{2} (C) + H_{2} O$
$(i v) N H_{4} H C O_{3} + N a C l \to N a H C O_{3} + N H_{4} C l (D)$
$(v) 2 N H C l + C a (O H)_{2} \to 2 N H_{3} + 2 H_{2} O + C a C l_{2} (E)$
Thus, $A = C a (O H)_{2}, B = N H_{4} H C O_{3}, C = N a_{2} C O_{3}$
So A is $C a (O H)_{2}$
Hence option A is correct.

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