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The p-Block Ele...

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  • Question 1
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    Boron when heated with carbon powder at high-temperature forms 

  • Question 2
    1 / -0

    Total number of sigma bonds formed by all the boron atoms in borax is

  • Question 3
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    Stability of hydrides of carbon family is in order

  • Question 4
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    The number of $$OH$$ units directly linked to boron atoms in $$Na_{2}B_{4}O_{7}.10H_{2}O$$ is: 

  • Question 5
    1 / -0

    Choose the wrong statement:

  • Question 6
    1 / -0

    Aluminium exist in +3 state where as thallium exist in both +1 & +3 oxidation state. Reason for this is

  • Question 7
    1 / -0

    Borax on heating strongly above its melting point melts to a liquid, which then solidifies to a transparent mass commonly known as borax-bead. The transparent glassy mass consists of:

  • Question 8
    1 / -0

    The solution of borax in water is:

  • Question 9
    1 / -0

    Which of the following does not exist ?

  • Question 10
    1 / -0

    For which of the following change in Gibbs free energy will be negative?

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