A) Ca
B) Ba
C) Al
D) Zn
Correct Answer: D
Solution :
[d] \[Z{{n}^{2+}}+2N{{H}_{4}}OH\xrightarrow{{}}\underset{White\text{ }ppt.}{\mathop{Zn{{\left( OH \right)}_{2}}}}\,+2N{{H}_{4}}^{+}\] \[Zn{{\left( OH \right)}_{2}}+2N{{H}_{4}}OH\xrightarrow{{}}\] \[\underset{Soluble}{\mathop{{{\left( N{{H}_{4}} \right)}_{2}}}}\,Zn{{O}_{2}}+2{{H}_{2}}O\] \[{{(N{{H}_{4}})}_{2}}Zn{{O}_{2}}+{{H}_{2}}S\xrightarrow{{}}\underset{White\text{ }ppt.}{\mathop{ZnS+}}\,2N{{H}_{4}}OH\]You need to login to perform this action.
You will be redirected in
3 sec