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Few drops of HNO(3) are added to II grou...

Few drops of `HNO_(3)` are added to II group before proceeding to III group in order to

A

convert `Fe^(+2)` to `Fe^(+3)`

B

convert `Fe^(+3)` to `Fe^(+2)`

C

ppt III group

D

convert `Fe^(2+)` to Fe

Text Solution

Verified by Experts

The correct Answer is:
A
`3Fe^(2+)+HNO_(3)+3H^(+) to NO uarr +3Fe^(3+)+2H_(2)O`
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