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Order of Reaction

Assertion A :...

Question

Assertion (A) : Alums are acidic in nature
Reason (R) : due to cationic hydrolysis

A

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

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B

Both Assertion and Reason are true and Reason is not the correct explanation of Assertion

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C

Assertion is true but Reason is false

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D

Assertion is false but Reason is true

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Solution

The correct option is A Both Assertion and Reason are true and Reason is the correct explanation of Assertion
The trication is the conjugate of a weak base and hence acts as a strong acid in solution and undergoes cationic hydrolysis.

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