A) \[Al{{(OH)}_{3}},LiOH\]
B) \[Be{{(OH)}_{2}}.Mg{{(OH)}_{2}}\]
C) \[B{{(OH)}_{3}}.Be{{(OH)}_{2}}\]
D) \[Be{{(OH)}_{2}}.Zn{{(OH)}_{2}}\]
Correct Answer: D
Solution :
\[Be{{(OH)}_{2}}\] and \[Zn{{(OH)}_{2}}\] are amphoteric hydroxides in nature. \[Be{{(OH)}_{2}}+2HCl\xrightarrow{{}}BeC{{l}_{2}}+2{{H}_{2}}O\] \[Be{{(OH)}_{2}}+2NaOH\xrightarrow{{}}N{{a}_{2}}Be{{O}_{2}}+{{H}_{2}}O\] \[Zn{{(OH)}_{2}}+2HCl\xrightarrow{{}}ZnC{{l}_{2}}+2{{H}_{2}}O\] \[Zn{{(OH)}_{2}}+2NaOH\xrightarrow{{}}N{{a}_{2}}ZnC{{l}_{2}}+{{H}_{2}}O\]
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