1.

A group 14 elements is oxidised to form corresponding oxide which is gaseous in nature , when dissolved in water pH of the water decrease further addition of group 2 hydroxides leads to precipitation. This oxide can be

Answer»

`GeO_(2)`
`CO`
`CO_(2)`
`SnO_(2)`

Solution :`CO_(2)` forms carbonic ACID `H_(2)CO_(3)`, when dissolved in WATER, CO is neutral, whereas other TWO `GeO_(2) and SnO_(2)` are SOLIDS.


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