1.

One mole of potassium dichromate completely oxidises the following number of moles of ferrous sulphate in acidic medium

Answer»

1
3
5
6

Solution :`{:(Cr_(2)O_(7)^(--) rarr CR^(3+), Fe^(++) rarr Fe^(+++)),(" n=6n=1"):}`
eq. of `K_(2)Cr_(2)O_(7)=` eq. of `FeSO_(4)`
`1xx6=x xx1`


Discussion

No Comment Found

Related InterviewSolutions