A) \[N{{a}_{2}}Zn{{O}_{2}}\]
B) \[Zn{{(OH)}_{2}}\]
C) ZnO
D) \[ZnS{{O}_{4}}\]
Correct Answer: A
Solution :
Salts like \[ZnC{{l}_{2}},SnC{{l}_{2}},\,AlC{{l}_{3}}\], etc, give white precipitate with \[NaOH\], however precipitate dissolves in excess of it. \[ZnC{{l}_{2}}+2NaOH\xrightarrow{{}}\underset{\begin{smallmatrix} (White\text{ }ppt.) \\ B \end{smallmatrix}}{\mathop{Zn{{(OH)}_{2}}}}\,\xrightarrow{NaOH}\underset{\begin{smallmatrix} Soluble \\ C \end{smallmatrix}}{\mathop{N{{a}_{2}}Zn{{O}_{2}}}}\,\]
You need to login to perform this action.
You will be redirected in
3 sec
