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Complete the following reactions: (a)C...

Complete the following reactions:
(a)`Cr_2O_7^(2-) + 3SO_2 + 2H^(+) to 2Cr^(3+)` + _____ + `H_2O`
(b)`Cr_2O_7^(-) + 3SO_3^(2-) + 8H^(+) to 2Cr^(3+) + "____ "+ 4H_2O`
(c )`Cr_2O_7^(2-) + 6Fe^(2+) + 14H^(+) to 2Cr^(3+) +" _____" + 7H_2O`

A

`3SO_4^(2-) , SO_2^(2-) , Fe^(3+)`

B

`3SO_4^(2-) , 3SO_4^(2-) , 6Fe^(3+)`

C

`3SO_4^(2-) , SO_2 , K^+`

D

`S,SO_2 , Fe^(3+)`

Text Solution

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The correct Answer is:
B
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MARVEL PUBLICATION-D AND F BLOCK ELEMENTS -TEST YOUR GRASP
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