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Chlorine is liberated, when we heat...

Chlorine is liberated, when we heat

A

`KMnO_4+ NaCl`

B

`K_2Cr_2O_7 +MnO_2`

C

`Pb(NO_3)_2 + MnO_2`

D

`K_2Cr_2O_7 + HCl`

Text Solution

Verified by Experts

The correct Answer is:
D
Only `K_2Cr_2O_7` and HCl will give `Cl_2`
`({:(K_2Cr_2O_7+8HCl, to2KCl+2CrCl_3 + 4H_2O + 3O),(2HCl +O , to H_2O + Cl_2 "]" xx3):})/ul(K_2Cr_2O_7 + 14HCl to 2KCl + 2CrCl_3 + 7H_2O + 3Cl_2)`
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