Question

Anhydrous stannous chloride can be prepared by

• A. passing $\ce{Cl_2}$ over fused tin
• B. heating stannous chloride dihydrate
• C. reducing stannic chloride with mercury
• D. heating tin in a current of HCl vapours

Answer 1

Answer: (D)

heating tin in a current of HCl vapours

Answer 2

{Sn +\underset{\text{ vapours}}{ { 2 HCl}} ->[Heat] SnCl_2 + H_2 }