Which of the following sets contains all the salts of same family?

N H_{4} C l, (N H_{4})_{2} S O_{4}, N a C l, A g B r

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M g C l_{2}, A g B r, K C l, N a B r

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N a_{2} S O_{3}, N a_{2} S O_{4}, K_{2} S O_{3}, K_{2} S O_{4}

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(N H_{4})_{2} S O_{4}, N a_{2} S O_{4}, B a S O_{4}, K_{2} S O_{4}

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Solution

The correct option is D $(N H_{4})_{2} S O_{4}, N a_{2} S O_{4}, B a S O_{4}, K_{2} S O_{4}$
Salts having the same positive or negative radicals are said to belong to a family. The salts $(N H_{4})_{2} S O_{4}, N a_{2} S O_{4}, B a S O_{4}, a n d K_{2} S O_{4}$ belong to the sulphate family because they have the same negative radical i.e. $S O_{4}^{2 -}$ .

Hence, the correct answer is option (d).

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