A) \[Mg{{(OH)}_{2}}>NaOH>Al{{(OH)}_{3}}\]
B) \[Mg{{(OH)}_{2}}>Al{{(OH)}_{3}}>NaOH\]
C) \[NaOH>Mg{{(OH)}_{2}}>Al{{(OH)}_{3}}\]
D) \[Al{{(OH)}_{3}}>Mg{{(OH)}_{2}}>NaOH\]
Correct Answer: C
Solution :
Generally, basic strength of oxides/hydroxides decreases, as we move from left to right in a period of Periodic Table. Hence, alkali metal hydroxides are most basic and the order of basic strength is as \[NaOH>Mg{{(OH)}_{2}}>Al{{(OH)}_{3}}\]
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