10 g of MnO2 on reaction with HCl forms 2.24 L of Cl2(g) at NTP , the % impurity of MnO2 is - MnO2+4HCl gives MnCl2+Cl2+2H2O Share with your friends Share 2 Shyam Prasad V answered this -3 View Full Answer Shreya Sarkar answered this Ans = 13 % 13