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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Critical Thinking

  • question_answer
    A base dissolved, in water, yields a solution with a hydroxyl ion concentration of \[0.05\,mol\,litr{{e}^{-1}}\]. The solution is [CBSE PMT 2000]

    A)                 Basic     

    B)                 Acid

    C)                 Neutral

    D)                 Either B or C

    Correct Answer: A

    Solution :

               \[[O{{H}^{-}}]=0.05=5\times {{10}^{-2}}M\]                    \[pOH=2-\log 5=1.3\]                    \[pH+pOH=14\]                                 \[pH=14-1.3=12.7\]


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