Consider the following sequence of react...

Consider the following sequence of reactions.

The white solid A is a

`1`. chloride

`2`. nitrate

`3`. nitrite

`d`. bromide

Verified by Experts

The correct Answer is:

precipitate (white) reappeared due to formation of AgCl

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Consider the following sequence of reactions. The change from B to C involves the reaction

`[Hg(NH_(3))_(4)]^(2)+ 2H^(+) +Cr^(-) to Hg(NH_(2))CI darr +3NH_(4)^(+)`

`[Pb(NH_(3))_(4)]^(2+)+4H^(+) +2C^(-) to PbCl_(2) darr +4NH_(4)^(+)`

`[Pb(OH)_(4)]^(2-) +4H^(+) +2C^(-) to PbCl_(2) +4H_(2)O`

`[Ag(NH_(3))_(2)]^(2+) + 2H^(+) +Cl^(-) to AgCl darr +2NH_(4)^(+)`

`Hg_(2), S_(2)O_(3)` and `Hg_(2)S`

`PbS_(2)O_(3)` and PbS

`[Ag(SO_(2)O_(3))_(2)]^(3-)` and `Ag_(2)S`

none of these

`-F,-COOH,-COCH_3 , -OCH_2 CH_2 CH_3`

`-CHO, - COOH, -COCl , -COCH_2 CH_3`

`-Br, COOH, -COCl, - COCH_2 CH_3`

`-Br, -COOH, -COCl, - CHO`