Bond angle of NH3+ and H3O+

Dear Student,

Both NH4+ and H3O+ have a tetrahedral geometry, but there is a slight difference in  their bond angle. This is because ​H3O+ has a lone pair of electrons on the oxygen atom. This results in the lp-lp repulsions due to which the bonds bend more towards each other and the bond angle reduces to 107o in ​H3O+ whereas in ​NH4+ it is same as the tetrahedral angle i.e. 109 degrees. The struccture of both the ions are shown below:

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BOND ANGLE of h30+ is109degree 28 minute
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