Q.

In the  reaction the stoichiometry  coefficient of  Cr2O7−2 , NO2−  and  H+  respectively  are Cr2O7−2+NO2−+H+→  Cr+3+NO3−+H2O

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a

1, 3, 8

b

1, 4, 8

c

1, 3, 12

d

1, 5, 12

answer is A.

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Detailed Solution

1_Cr2O7−2+8_H++3_NO2−→2Cr+3+ 4H2O​+3NO3−
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