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The p-Block Ele...

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  • Question 1
    1 / -0

    ________ bacteria are microbes that work in the absence of oxygen.

  • Question 2
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    Hydride of nitrogen is called :

  • Question 3
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    Nitrogen reacts with a metal $$M$$ to produce a compound $$X$$. This compound $$X$$, when dissolved in water forms pungent gas $$Y$$ which can be identified easily by the formation of white fumes in the presence of $$HCl$$.

    Identify $$Y$$.

  • Question 4
    1 / -0

    $$BrF_{5}$$ is a:

  • Question 5
    1 / -0

    Calcium imide on hydrolysis will give gas (B) which on oxidation by bleaching powder gives gas (C). Gas (C) on reaction with magnesium gives compound (D). (D) on hydrolysis gives again gas (B). (B), (C) and (D) respectively are :

  • Question 6
    1 / -0

    Which one of the following anions can undergo both oxidation and reduction?

  • Question 7
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    Which one of the following compounds on strong heating evolves ammonia gas?

  • Question 8
    1 / -0

    Consider the following transformations:


    (I)     $$XeF_{6} + NaF \,\, \rightarrow \,\, Na^{+}[XeF_{7}]^{-}$$

    (II)    $$2PCl_{5}(s) \,\, \rightarrow \,\, [PCl_{4}]^{+}\,[PCl_{6}]^{-}$$

    (III)   $$[Al(H_{2}O)_{6}]^{3+} \, + \, H_{2}O \,\, \rightarrow \,\, [Al(H_{2}O)_{5}OH]^{2+} \, + \, H_{3}O^{+}$$

    Correct transformations are :

  • Question 9
    1 / -0

    Among the following the correct statement is :

  • Question 10
    1 / -0

    The weakest $$Cl-O$$ bond is found in :

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