1.

Solution of a chemical compound 'X reacts with AgNO_3 solution to form a white ppt. 'Y which dissolves in excess of NH4OH to give complex 'Z'. When Z' is treated with dil HNO_3. Y reappears. The chemical compound 'X' may be :

Answer»

NaBr
NaI
KCL
`CH_3Cl`

ANSWER :C


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