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What is Tollens reagent ? Explain its re...

What is Tollens reagent ? Explain its reaction with Aldehydes.

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Tollens Reagent : Freshly prepared ammonical silver nitrate solution is called Tollens reagent.
`to` On warming an aldehyde with Tollens reagent a bright silver mirror is produce due to formation of silver metal.
`R-CHO+2[Ag(NH_(3))_(2)]^(+) + 3OH^(-) to RCOO^(-) + 2Ag + 2H_(2)O + 4NH_(3)`
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