1. Tardigrade
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  4. . In ammonia, H - N - H bond angle is

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Q. . In ammonia, $H - N - H$ bond angle is

Chemical Bonding and Molecular Structure

Solution:

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There is lone pair-bond pair repulsion
$N$-atom is $s p^3$-hybridised. But due to this repulsion, geometry is distorted to pyramidal and bond angle is $107^{\circ}$