Question

An aqueous solution of sodium carbonate is' alkaline because sodium carbonate is a salt of

• A. Weak acid and Weak base
• B. Strong acid and weak base
• C. Weak acid and strong base
• D. Strong acid and strong base

Answer 1

Answer: (C)

Weak acid and strong base

Answer 2

$Na _{2} CO _{3}+2 H _{2} O \rightleftarrows 2 NaOH + H _{2} CO _{3}$ It is a strong base and weak acid so it is a basic.