Question

Assertion (A): In the extraction of

{Ag}

by Cyanide process, Air must be blown in the disolution of

{Ag}_2 {S}

in dil.

{NaCN}

Reason (R): Continuous air blow oxidises

{Na}_2{S}

to

{Na}_2 {SO}_3

and prevents reaction between

{Na}_3{S}

and

{Na}\left[{Ag}({CN})_2\right]

Accepted Answer

Both (A) and (R) are true and (R) is the correct explanation of (A)

Answer

Both (A) and (R) are true and (R) is not the correct explanation of (A)

Answer

(A) is true but (R) is false

Answer

Both (A) and (R) are false

JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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