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Assertion (A) : pH of aqueous solutin de...

Assertion (A) `:` pH of aqueous solutin decreases when NaCN is added to it .
Reason (R ) `:` NaCN provides a common ion to HCN.

A

Both A and R true and R is the correct explanation of A

B

Both A and R are true but R is not a correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
D
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