DUMET Medical DUMET Medical Solved Paper-2005

  • question_answer
    Ionic compounds are formed most easily with:

    A)  low electron affinity, high ionisation energy

    B)  high electron affinity, low ionisation energy

    C)  low electron affinity, low ionisation energy

    D)  high electron affinity, high ionisation energy

    Correct Answer: B

    Solution :

    Key Idea: An ionic bond is formed between a electropositive metal and electronegative non metal. Metal forms cation and non metal form anion. \[\therefore \] The formation of ionic bond is formed by (i) Low ionisation potential of metal. (ii) Greater value of electron affinity of non-metal. (iii) Higher value of lattice energy of resulting ionic compound.


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