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The solid laboratory reagent A gives the...

The solid laboratory reagent A gives the following reactions:
I. It imparts green colour to the flame.
II. Its solution does not give a precipitate on passing `H_(2)S.`
III. When it is heated with solid `K_(2)Cr_(2)O_(7)` and concentrated `H_(2)SO_(4)` a red gas is evolved. When this gas is passed into aqueous solution of `NaOH` it turns yellow: Identify A.

A

`PbCI_(2)`

B

`BaCI_(2)`

C

`NaCI`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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