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Chemical Bonding and Molecular Structure Test - 2

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Chemical Bonding and Molecular Structure Test - 2
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  • Question 1
    1 / -0

    In Wilkinson’s catalyst, the hybridization of central metal ion and its shape are respectively :

    Solution

    Wilkinson’s catalyst is RhCl(PPh3)3. It has square planar shape which can be given only by dsp2.

     

  • Question 2
    1 / -0

    Find the incorrect match-

    Solution

    in A. both the species are diamagnetic. 

    In B. both the species have same order 

    In C. both the species have same order 

    In D. H2+ has bond order 1/2 [1-0] =0.5 and H2- has bond order 1/2 [2-1] =0.5 

    Both H2+ and H2- have same bond order but H2- is less stable than H2+ because of the presence of one electron due to which the destabilizing effect is more and hence the stability is less.

     

  • Question 3
    1 / -0

    The stable electronic configuration is attained by either 

    (i) transfer of electrons 

    (ii) sharing of electrons 

    (iii) donation of lone pair of electrons. 

    Choose the CORRECT option

    Solution

    According to Kossel and Lewis, during formation of chemical bond, atoms combine together by gaining, losing and sharing electrons in such a way that they acquire stable noble gas configuration

  • Question 4
    1 / -0

    The pair in which the first compound is ionic and the second compound is covalent, is

    Solution

    CH3OH is covalently bonded as the Electronegativity difference between atoms is not large, where as in Fe(OH)2 the EN difference is large which makes it ionic in nature.

     

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