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White precipitate of AgCl turns to greyi...

White precipitate of `AgCl` turns to greyish or black when:

A

reacts with `Na_(3)AsO_(3)`

B

exposed to sunlight

C

reacts with `K_(2)CrO_(4)`

D

reacts with concentrated HCl

Text Solution

Verified by Experts

The correct Answer is:
B
`2 AgCl overset(hv)to 2 Ag darr ("black") +Cl_(2) uarr`.
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