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If solubility of Ag(2)CrO(4)(s) in 0.2M ...

If solubility of `Ag_(2)CrO_(4)`(s) in 0.2M `K_(2)CrO_(4)` is `(S_(1))` in 0.1M `AgNO_(3)` is `(S_(2))`, in 0.3M `NH_(3)(S_(3))`, in pure `H_(2)O` is `(S_(4))` at same temperature then which of the following is correct order

A

`S_(3) gt S_(4)gt S_(1) gtS_(2)`

B

`S_(4) gt S_(2)gt S_(1) gtS_(3)`

C

`S_(1) gt S_(2)gt S_(3) gtS_(4)`

D

`S_(3) gt S_(4)gt S_(2) gtS_(1)`

Text Solution

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The correct Answer is:
A
During Lassaigne's test if prussian blue colour is obtained than nitrogen is present and if black colour is obtained than sulphur is is present and if blood red colour is obtained than both nitrogen and sulphur are present.
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