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Periodic Table and Periodicity question

2021 · 26 Feb · Shift 1 · Q4
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Periodic Table and Periodicity question

2021 · 26 Feb · Shift 1 · Q4

JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
Match List - I with List - II.

List I
Electronic configuration		 List II
ΔiH{\Delta _i}HΔi​H in kJ mol−1mo{l^{ - 1}}mol−1
(a) 1s22s21{s^2}2{s^2}1s22s2 (i) 801
(b) 1s22s22p41{s^2}2{s^2}2{p^4}1s22s22p4 (ii) 899
(c) 1s22s22p31{s^2}2{s^2}2{p^3}1s22s22p3 (iii) 1314
(d) 1s22s22p11{s^2}2{s^2}2{p^1}1s22s22p1 (iv) 1402

Choose the most appropriate answer from the options given below :
  1. A
    (a) →\to→ (i), (b) →\to→ (iii), (c) →\to→ (iv), (d) →\to→ (iii)
  2. B
    (a) →\to→ (iv), (b) →\to→ (i), (c) →\to→ (ii), (d) →\to→ (iii)
  3. C
    (a) →\to→ (ii), (b) →\to→ (iii), (c) →\to→ (iv), (d) →\to→ (i)
  4. D
    (a) →\to→ (i), (b) →\to→ (iv), (c) →\to→ (iii), (d) →\to→ (ii)
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