Question

Which of the following statements are correct from the given statements?
(i) $B{F}_3$ is acid according to Lewis theory
(ii) Sodium hydroxide and potassium hydroxide are soluble in water.
(iii) Calcium hydroxide and magnesium hydroxide are partially soluble in water.
(iv) All metallic hydroxides react with bases to form their respective metallic salts.

• A. (i), (ii) and (iv) only
• B. (i), (iii) and (iv) only
• C. (i), (ii) and (iii) only
• D. (ii) and (iii) only

Answer 1

The correct option is C (i), (ii) and (iii) only

Metallic oxides are basic oxides hence, they react with acids to form salts.