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Periodic Table and Periodicity · 2025 · 7 Apr · Shift 1

2 Chemistry questions from this JEE Main paper
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Periodic Table and Periodicity · 2025 · 7 Apr · Shift 1

2 Chemistry questions from this JEE Main paper

  1. Q8.The number of valence electrons present in the metal among Cr,Co,Fe and Ni which has the lowest enthalpy of atomisation is :
    Chemistry · Periodic Table and Periodicity · MCQ
  2. Q15.The group 14 elements A and B have the first ionisation enthalpy values of 708 and 715 kJ mol−1 respectively. The above values are lowest among their group members. The nature of their ions A2+…
    Chemistry · Periodic Table and Periodicity · MCQ