Assertion :A solution of sucrose in water is dextrortatory while on hydrolysis in pressence of little hydrochloric acid, it becomes laveorotatory Reason: Sucrose on hydrolysis gives unequal amounts of glucose and fructose as a result of which change in sign of rotation is observed.

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 C Assertion is correct but Reason is incorrect
On hydrolysis in presence of little hydrochloric acid $S_{N} 2$ reaction takes place due to which inversion of configuration occurs and hence optical rotation changes.

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Assertion :A solution of sucrose in water is dextrortatory while on hydrolysis in pressence of little hydrochloric acid, it becomes laveorotatory Reason: Sucrose on hydrolysis gives unequal amounts of glucose and fructose as a result of which change in sign of rotation is observed.

The correct option is C Assertion is correct but Reason is incorrectOn hydrolysis in presence of little hydrochloric acid SN2 reaction takes place due to which inversion of configuration occurs and hence optical rotation changes.

The correct option is C Assertion is correct but Reason is incorrect
On hydrolysis in presence of little hydrochloric acid $S_{N} 2$ reaction takes place due to which inversion of configuration occurs and hence optical rotation changes.