Question

A solution of sodium bicarbonate in water turns.

• A. Phenolphthalein pink
• B. Methyl orange yellow
• C. Methyl orange red
• D. Blue litmus red

Answer 1

Answer: (C)

Methyl orange red

Answer 2

$NaHCO_{3}$in water is alkaline in nature due to hydrolysis of $HCO_{3}^{-}$ion. $NaCO_{3}$⇌ $Na^{+} + HCO_{3}^{-}$.