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6.2. Equilibrium - II (icon Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.2. Equilibrium - II (icon Equilibrium)1 Mark
MCQ
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
  • ✓
    Weak acid and strong base
  • D
    Strong acid and strong base
✓

Answer

Correct option: C.
Weak acid and strong base
(c) $N{a_2}C{O_3} + 2{H_2}O ⇌ 2NaOH + {H_2}C{O_3}$. It is a strong base and weak acid so it is a basic.

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