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For (A)+K(2)CrO(3)+air overset(Heat)rarr...

For `(A)+K_(2)CrO_(3)+air overset(Heat)rarr(B)`
`(B)+CI_(2)rarr(C)`pink
Which of the following is correct ?

A

(A) is black, `MnO_(2)`, (B) is blue, `K_(2)MnO_(4)` and (C ) is pink, `KMnO_(4)`

B

(A) is green, `Cr_(2)O_(3)`, (B) is yellow, `K_(2)CrO_(4)` and (C ) is pink, `K_(2)Cr_(2)O_(7)`

C

(A) is black, `MnO_(2)`, (B) is green, `K_(2)MnO_(4)` and (C ) is pink, `KMnO_(4)`

D

(A) is black, `Bi_(2)O_(3)`, (B) is colourless, `KBiO_(2)` and (C ) is pink, `KMnO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C

`underset(Black)MnO_(2)+K_(2)CO_(3)+underset((Air))1//2O_(2)rarr underset((B)(Green))K_(2)MnO_(4)+CO_(2)`
`K_(2)MnO_(4)+CI_(2)rarr underset("Pink")2KMnO_(4)+2KCI`
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