1.

Which among the following compounds does not act as a reducing agent?

Answer»

`H_(2)O`
`H_(2)S`
`H_(2)Se`
`H_(2)Te`

Solution :The reducing POWER of hydride of 10TH group element increases as `H_(2)O lt H_(2)S lt H_(2)Se lt H_(2)Te` because on MOVING `H_(2)O` to `H_(2)Te` size of central ATOM increases and hence thermal STABILITY decreases.


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