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Periodic Table and Periodicity question

2017 · 8 Apr · Shift 1 · Q11
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Periodic Table and Periodicity question

2017 · 8 Apr · Shift 1 · Q11

JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
Consider the following ionization enthalpies of two elements 'A' and 'B' .

Element Ionization enthalpy (kJ/mol)
1st 2nd 3rd
A 899 1757 14847
B 737 1450 7731


Which of the following statements is correct ?
  1. A
    Both ‘A’ and ‘B’ belong to group-1where ‘B’ comes below ‘A’.
  2. B
    Both ‘A’ and ‘B’ belong to group-1 where ‘A’ comes below ‘B’.
  3. C
    Both ‘A’ and ‘B’ belong to group-2 where ‘B’ comes below ‘A’.
  4. D
    Both ‘A’ and ‘B’ belong to group-2 where ‘A’ comes below ‘B’.
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