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Chemistry Test 154
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Chemistry Test 154
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  • Question 1/10
    4 / -1

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  • Question 2/10
    4 / -1

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  • Question 3/10
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    Amongst the following, identify the species with an atom in + 6 oxidation state:

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  • Question 4/10
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    Which one of the following pairs of substances will not produce hydrogen when reacted together?

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  • Question 5/10
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  • Question 6/10
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    Carbon and silicon belong to group 14. The maximum coordination number of carbon in commonly occurring compounds is 4, whereas that of silicon is 6. This is due to

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    Due to non-availability of vacant d-orbitals, it cannot exceed its coordination number more than four. Thus carbon never forms complexes e.g.,  exists.

     

  • Question 7/10
    4 / -1

    The reason for the loss of optical activity of lactic acid when OH group is changed by H is that:

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  • Question 8/10
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  • Question 9/10
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    Formation of photochemical smog takes place in

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    Photochemical smog is formed in noon in summer.

     

  • Question 10/10
    4 / -1

    Which of the following solids is not an electrical conductor?

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