1.

Compare the acidic nature : (a) H_(2)O and H_(2)O, and (b) CO and CO_(2).

Answer»

Solution :(a) `H_(2)O` is neutral. `H_(2)O_(2)` is weakly acidic.
`H_(2)O_(2)` forms salts upon neutralisation with alkali.
`H_(2)O_(2)+ NaOH_(2)+H_(2)O,H_(2)O_(2)+2NaOHrarr Na_(2)O_(2)+2H_(2)O`
(b) `CO` is neutral. `CO_(2)` is weakly acidic. Carbondioxide forms carbonic acid with WATER and salt with alkali.
`CO_(2)+H_(2)OrarrH_(2)CO_(3),CO_(2)+2NaOHrarrNa_(2)CO_(3)+H_(2)O`


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