11th Class Chemistry Chemical Bonding and Molecular Structure

  • question_answer 54)   In which of the following molecules/ions all the bonds arenot equal? (a)\[Xe{{F}_{4}}\]                            (b) \[BF_{4}^{-}\]                             (c) \[{{C}_{2}}{{H}_{4}}\]                               (d) \[Si{{F}_{4}}\]

    Answer:

      (c)\[{{C}_{2}}{{H}_{4}}\]has double and single bonds in its structure. The bond length of double bond is shorter than C-H single bonds.


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