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(A) If sulphur and nitrogen are also present in orgaic compound along with halogen then AgNO_(3) solution is added in acidified sodium fusion extract. (R) On acidification, NaCN and Na_(2)S decompose. NaCN + HNO_(3) rarr NaNO_(3)+HCNuarr Na_(2)S +2HNO_(3) rarr 2NaNO_(3)+H_(2)Suarr

Answer»

If both assertion and REASON are correct and reason is the correct EXPLANATION of the assertion
If both assertion and reason are correct but reason is not the correct explanation of the assertion
If assertion is correct but reason is INCORRECT
If assertion is incorrect but reason is correct

Answer :A


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