JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Ionisation Energy

  • question_answer
    Which of the following has the highest first ionisation energy [BHU 2004]

    A) Li

    B) Be

    C) B

    D) C

    Correct Answer: D

    Solution :

    The ionisation energy of \[Li,\,Be,\,B\] and C is 520, 899, 801, 1086 kJ / mol respectively hence, carbon has highest \[I{{E}_{1}}.\]


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