Chemistry, 21.11.2019 04:31 warnene17

If two atoms have the same number of bonds, why would a compound with a lone pair of electrons on the central atom have smaller bond angles than a compound without a lone pair?

lone electron pairs cause greater repulsion than bonding pairs; therefore, angles between bonding pairs are increased.
both compounds would have the same bond angles because they have the same number of bonding electrons.
bonding pairs of electrons cause greater repulsion than lone pairs; therefore, angles between the bonding pairs are increased.
lone electron pairs cause greater repulsion than bonding pairs; therefore, angles between the bonding pairs are reduced.

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