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P - Block Eleme...

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  • Question 1
    4 / -1

    Atomic orbitals of carbon involved in diamond structure are

  • Question 2
    4 / -1

  • Question 3
    4 / -1

  • Question 4
    4 / -1

    Which one of the following is explosive and readily hydrolysed ?

  • Question 5
    4 / -1

    Which of the following molecular species has unpaired electrons (s) ?

  • Question 6
    4 / -1

    In case of nitrogen, NCl3 is possible but not NCl5 while in case of phosphorous, PCl3 as well as PCl5are possible . It is due to

  • Question 7
    4 / -1

    Graphite is a soft, solid lubricant; extremely difficult to melt .The reason for this anomalous behaviour is that graphite

  • Question 8
    4 / -1

    Which one of the following compounds has the smallest bond angle in its molecule?

  • Question 9
    4 / -1

    H3BO3is

  • Question 10
    4 / -1

    Which one of the following compounds is not a protonic acid ?

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