In which of the following is NH_{3} not used? | vedclass

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(C) $NH_{3}$ is used in the preparation of Tollen's reagent $([Ag(NH_{3})_{2}]^{+})$. $NH_{3}$ is also used as a group reagent for the analysis of $II

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Group reagent for the analysis of $IV$ group basic radicals

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(C) $NH_{3}$ is used in the preparation of Tollen's reagent $([Ag(NH_{3})_{2}]^{+})$. $NH_{3}$ is also used as a group reagent for the analysis of $III$ group basic radicals (as $NH_{4}OH$). $NH_{3}$ is not used as a group reagent for the analysis of $IV$ group basic radicals,where $H_{2}S$ in the presence of $NH_{4}OH$ is used. Nessler's reagent is $K_{2}[HgI_{4}]$ in $KOH$,which is used to test $NH_{4}^{+}$ ions,but $NH_{3}$ is not a component of the reagent itself.

In which of the following is $NH_{3}$ not used?

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