VMMC VMMC Medical Solved Paper-2003

  • question_answer
    Which of the following does not has covalent bond?

    A)  \[\text{NaOH}\]             

    B)         \[\text{N}{{\text{H}}_{4}}Cl\]  

    C)         \[CsCl\]              

    D)         \[{{H}_{2}}O\]

    Correct Answer: C

    Solution :

    \[\text{CsCl}\]has only ionic bond. The favorable conditions for the formation of ionic bond, are low ionization   energy    of electropositive atom, high electron affinity of other atom and high lattice energy.


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