12th Class Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank MCQs - The p-Block Elements

  • question_answer
    Fill in the blanks by choosing the appropriate option. Conc. \[{{H}_{2}}S{{O}_{4}}\] chars paper, wood and sugar by removing (i) from them. It is also known as (ii). It is manufactured by (iii) process. It is a strong (iv) and (v) acid.

    A)
    (i) (ii) (iii) (iv) (v)
    \[{{H}_{2}}O\] oil of vitriol contact oxidising dibasic

    B)
    (i) (ii) (iii) (iv) (v)
    \[{{O}_{2}}\] oil of vitriol oleum dehydrating monobasic

    C)
    (i) (ii) (iii) (iv) (v)
    \[{{H}_{2}}O\] oil of olay Solvay dehydrating dibasic

    D)
    (i) (ii) (iii) (iv) (v)
    \[S{{O}_{2}}\] oil of winter contact oxidising monobasic

    Correct Answer: A

    Solution :

    (i) (ii) (iii) (iv) (v)
    \[{{H}_{2}}O\] oil of vitriol contact oxidising dibasic


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