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  5. The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I

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

  • question_answer
    Which of the following is the correct combination of oxidation states for group 17 elements?

    A) +6, +4, +2, - 2

    B) +7, +5, +3, +1, - 1

    C) +7, +6, +5, +3, +2, - 2

    D) +7, +5, +4, +3, +2, - 2

    Correct Answer: B

    Solution :

    Though group 17 elements show-1 oxidation state but higher elements of group are capable of showing positive oxidation states of +1, +3, +5 and +7 due to their lower ionisation energy.


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