In acidic medium dichromate oin osxidizes stannous ion as :
`xSn^(2+)+yCr_(2)O_(7)^(2-)+zH^(+) to aSn^(4+)+bCr^(3+)cH_(2)O`
A. The value of `x : y` is `1 : 3`
B. The value of `x+y+z` is 18
C. The value of `a : b` is `3 : 2`
D. The value of `z-c` is 7
`xSn^(2+)+yCr_(2)O_(7)^(2-)+zH^(+) to aSn^(4+)+bCr^(3+)cH_(2)O`
A. The value of `x : y` is `1 : 3`
B. The value of `x+y+z` is 18
C. The value of `a : b` is `3 : 2`
D. The value of `z-c` is 7
Correct Answer – B::C::D
`3 Sn^(2+) +14 H^(+) + Cr_(2)O_(7)^(2-) rarr 3 Sn^(3+) + 2Cr^(3+) +7H_(2)O`.