JEE Main & Advanced Chemistry Equilibrium Question Bank Acids and Bases

  • question_answer A solution of sodium bicarbonate in water turns [NCERT 1971]

    A)                 Phenolphthalein pink    

    B)                 Methyl orange yellow

    C)                 Methyl orange red         

    D)                 Blue litmus red

    Correct Answer: C

    Solution :

                    \[NaHC{{O}_{3}}\]in water is alkaline in nature due to hydrolysis of \[HCO_{3}^{-}\]ion. \[NaC{{O}_{3}}\]⇌ \[N{{a}^{+}}+HCO_{3}^{-}\]


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