1.

The bond angles in molecules H_(2)O, NH_(3), CH_(4) and CO_(2) are in the order :

Answer»

`H_(2)O gt NH_(3)gt CH_(4)gt CO_(2)`
`H_(2)O lt NH_(3)lt CH_(4)lt CO_(2)`
`H_(2)O lt NH_(3)lt CO_(2)lt CH_(4)`
`H_(2)O gt NH_(3)gt CO_(2)gt CH_(4)`

Solution :Bond ANGLES are : `H_(2)O(104.5), NH_(3)(107), CH_(4)(109.5), CO_(2)(180)`.


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