Question

In case of the hydrides $H_2O, H_2S, H_2Se$ and $H_2$ Te the acid strength of aqueous solution of equimolar concentration

• A. increases with increasing thermal stability of the hydride
• B. increases with decreasing thermal stability of the hydride
• C. is no related to the thermal stability of the hydride
• D. increases with increasing volatility of the hydride

Answer 1

Answer: (B)

increases with decreasing thermal stability of the hydride

Answer 2

Answer (b) increases with decreasing thermal stability of the hydride