1.

H_(2)S is not a/an

Answer»

Reducing agent
ACIDIC
OXIDISING agent
None of these

Solution :`H_(2)S` is not an oxidising agent.
`PbO + H_2S PbS+ H_2O.` It acts as a reducing agent. Also in chalcogens the acidic NATURE of hydride increases from `H_2O" to "H_2Te.`


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