1.

Which one of the following is non-reducing

Answer»

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

SOLUTION :All hydrides except `H_(2)O` ACT as reducing agents. The reducing nature increases as the ATOMIC NUMBER of the central ATOM increases. This is due to weakening of M-H bond as the bond length increases with increases in size of M -atom.


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