Analytical Chemistry Question 164
Question: $ MnO_2 $ and $ H_2SO_4 $ added to $ NaCl $ , the greenish yellow gas liberated is
[Orissa JEE 2005]
Options:
A) $ Cl_2 $
B) $ NH_3 $
C) $ N_2 $
D) $ H_2 $
Show Answer
Answer:
Correct Answer: A
Solution:
Yellowish-green gas of chlorine with suffocating odour is evolved when the solid chloride mixed with manganese dioxide is heated with concentrated $ H_2SO_4 $ . $ NaCl+H_2SO_4\to NaHSO_4+HCl $
$ MnO_2+4HCl\to MnCl_2+2H_2O+Cl_2 $