Assertion : $N$ -atom in $N H_{3}$ is $s p^{3}$ hybridised and bond angle is $107^{o}$ . Reason: $l p - b p$ repulsion (VSEPR) decreases bond angle to $107^{o}$ .

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The lone pair of $N$ repluses the $N - H$ bond according to VSEPR theory making the angle equal to $107$ degrees.

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Assertion :N-atom in NH3 is sp3 hybridised and bond angle is 107o. Reason: lp−bp repulsion (VSEPR) decreases bond angle to 107o.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for AssertionThe lone pair of N repluses the N−H bond according to VSEPR theory making the angle equal to 107 degrees.

Assertion : $N$ -atom in $N H_{3}$ is $s p^{3}$ hybridised and bond angle is $107^{o}$ . Reason: $l p - b p$ repulsion (VSEPR) decreases bond angle to $107^{o}$ .

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The lone pair of $N$ repluses the $N - H$ bond according to VSEPR theory making the angle equal to $107$ degrees.