NEET Sample Paper NEET Sample Test Paper-1

  • question_answer Carbon monoxide acts as a Lewis base because it has

    A)  a double bond between C and O atoms.

    B)  a triple bond between C and O atoms.

    C)  a lone pair of electrons on the C atom

    D)  two lone pairs of electrons on the O atom.

    Correct Answer: C

    Solution :

    Carbon monoxide has the structure; \[:C=O:\] If forms metal-carbon bond and thus donate its lone pair on carbon to metal in metal carbonyls and behaves as a Lewis base.

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