Question

Which of the following statements is correct ?

• A. Sodium carbonate decomposes on heating
• B. Sodium bicarbonate is more soluble in water than potassium bicarbonate
• C. Sodium when heated with excess of $O_2$, gives peroxide
• D. Lithium halides are highly ionic in nature

Answer 1

Answer: (C)

Sodium when heated with excess of $O_2$, gives peroxide

Answer 2

Only $(c)$ is the correct statement, others are incorrect and these are corrected as $(a)$ Lithium carbonate decomposes on heating. $(b)$ Potassium bicarbonate is more soluble in water than sodium bicarbonate. $(d)$ Lithium halides are highly covalent in nature.