Question

The number of moles of `K_(2)Cr_(2)O_(7)` reduced by `1 mol` of `Sn^(2+)` ions is
A. `1//3`
B. 3
C. `1//6`
D. 6

Answer 1

Correct Answer - A
`Cr_(2)O_(7)^(2-)+3Sn^(2+)+14H^(+)rarr2Cr^(3+)+3Sn^(4+)+7H_(2)O`