P-Block Elements Ques 172

Question: Chlorine is liberated, when we heat

[AFMC 1998]

Options:

A) $ KMnO_4+NaCl $

B) $ K_2Cr_2O_7+MnO_2 $

C) $ Pb_2{{(NO_3)}_4}+MnO_2 $

D) $ K_2Cr_2O_7+HCl $

Show Answer

Answer:

Correct Answer: D

Solution:

$ K_2Cr_2O_7+14HCl\to 2KCl+2CrCl_3 $ $ +7H_2O+3Cl_2 $



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