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NEET Sample Paper NEET Sample Test Paper-37

  • question_answer
    Bleaching action of \[S{{O}_{2}}\]is due to

    A)  Reduction    

    B)  Oxidation

    C)  Hydrolysis   

    D)  Its acidic nature

    Correct Answer: A

    Solution :

     \[2{{H}_{2}}O+S{{O}_{2}}\to {{H}_{2}}S{{O}_{4}}+2[H]\] (nascent hydrogen) Coloured flower\[+\,2[H]\to \]Colourless flower


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