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The p-Block Ele...

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  • Question 1
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    Which of the following p-block elements in group 13 could exist in liquid state during summer

  • Question 2
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    The relative stability of +1 oxidation state progressively increases for heavier elements. Choose one of the following haing most stable +1 oxidation state.

  • Question 3
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    Aluminium when exposed to air protects itself from further attack by

  • Question 4
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    White fumes appear around the bottle of anhydrous aluminium chloride.Why?

  • Question 5
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    Diborane is produced on an industrial scale by the reaction of BF3 with

  • Question 6
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    Boric acid is an acid because its molecule

  • Question 7
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    Silicon is the second most abundant element on the earth’s crust and is a component of

  • Question 8
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    Carbon is most widely distributed in nature. In combined state it is available as

  • Question 9
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    Stable isotopes of carbon are

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