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Reffering to the following reactions th...

Reffering to the following reactions the missing products A,B,C and D respectively are
`NH_4Cl (aq)+NaNO_2(aq) to [A]+ H_2O (l)+NaCl(aq)`
`(NH_4)_2Cr_2O_7 overset(Delta)to [B] +H_2O(l) +Cr_2O_3(s)`
`Cu+HNO_3("dilute") to Cu(NO_3)_2+[C] +H_2O(l)`
`Cu+HNO_3("concentrated") to Cu(NO_3)_2+[D]+H_2O(l)`

A

`N_2,N_2,NO,NO_2`

B

`N_2,NH_3,N_2,NO`

C

`N_2,N_2,NO_2,NO_2`

D

`N_2,NH_3,NO_2,N_2O_4`

Text Solution

Verified by Experts

The correct Answer is:
A
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