S Block Elements Question 168

Question: The reaction of water with sodium and potassium is

[BHU 1999]

Options:

A) Exothermic

B) Endothermic

C) Reversible

D) Irreversible and endothermic

Show Answer

Answer:

Correct Answer: A

Solution:

$ 2Na+2HOH\to 2NaOH+H_2\uparrow $

$ 2K+2HOH\to 2KOH+H_2\uparrow $