Question

Which of the following results in the formation of cl2 ??? a) Mno2 + Hcl b) pbo2 + Hcl c) Kmno4 + Hcl d) All of these

Answer 1

Answer:

d) All of these

Explanation:

a) Hydrogen chloride react with manganese(IV) oxide to produce chlorine, manganese(II) chloride and water. Hydrogen chloride - concentrated solution.

b)Lead(IV) oxide react with hydrogen chloride to produce lead(II) chloride, chlorine and water. Hydrogen chloride - concentrated solution.

c) Potassium permanganate is a powerful oxidising agent and it does react with conc. HCl at high temperatures. It is a redox reaction. Hydrochloric acid, a mild reducing agent, is oxidised to free chlorine gas when it is heated with the permanganate salt.

I hope it's helpful

Answer 2

Teko kya krna he chuje ....