Assertion :The pH of $N H_{4} C l$ solution in water is less than 7 and $p H$ of ${C H}_{3} C O O N a$ solution is more
than 7 Reason: ${N H}_{4} C l$ is a salt of weak base ${N H}_{4} O H$ and strong acid $H C l$ whereas ${C H}_{3} C O O N a$ is salt of a weak acid ${C H}_{3} C O O H$ and strong base $N a O H$ .

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$N H_{4} O H w e a k b a s e + H C l s t r o n g a c i d \to N H_{4} C l a c i d i c s a l t + H_{2} O$

$C H_{3} C O O H w e a k a c i d + N a O H s t r o n g b a s e \to C H_{3} C O O N a b a s i c s a l t + H_{2} O$

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