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Question
Account for the following :
Bond angle in NH+4NH4+ is higher than NH3.
Solution
NH3 has a lone pair of electrons that strongly repels the bonded pair of electrons and reduces the bond angle. On the other hand, NH+4NH4+ does not have any lone pair of electrons; hence, there is no lone pair–bond pair repulsion. Thus, the bond angle in NH+4NH4+ is higher than that in NH3.
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