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6x10^(-3) mole K2Cr2O7 reacts completel...

6x`10^(-3)` mole `K_2Cr_2O_7` reacts completely with 9x`10^(-3)` mole `X^(n+)` to give `XO_3^(-1)` and `Cr^(3+)`. the value of n is :

A

1

B

2

C

3

D

None of these

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The correct Answer is:
A
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PATHFINDER-MOLE AND STOICHIOMETRY-II-QUESTION BANK
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