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Q.

Statement-1: V group basic radicals are precipitated as their carbonates by NH42CO3 in presence of ammonia or ammonium chloride. 

Statement-2: Aqueous ammonia maintains the pH of the solution basic.

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a

Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.
 

b

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.

c

Statement-1 is True, Statement-2 is False.
 

d

Statement-1 is False, Statement-2 is True.

answer is B.

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Detailed Solution

V  group reagent for group is NH42CO3 in presence of  NH4Cl and because of NH4OH, pH value of solution is maintained.

So both statements are true but statement 2 is not a correct explanation for statement-1

Hence, the correct option is B.

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