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MCQEasyJEE Main 2025 · 29 January, Shift 2Trends in Atomic Radius & Ionisation Energy

Chemistry Question from JEE Main 2025 · 29 January, Shift 2

First ionisation enthalpy values of the first four group 1515 elements are given below. Choose the correct value for the element that is a main component of the apatite family:

  • A

    1012 kJ mol−11012 \, \text{kJ mol}^{-1}

  • B

    1402 kJ mol−11402 \, \text{kJ mol}^{-1}

  • C

    834 kJ mol−1834 \, \text{kJ mol}^{-1}

  • D

    947 kJ mol−1947 \, \text{kJ mol}^{-1}

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