Multiple choice

Match the column – I (transition metals) with column – II (electronic configuration) and select the correct option.

Column – I
Column – II
P. Chromium 1. [Kr] 3d8 4s2
Q. Molybdenum 2. [Kr] 4d5 5s1
R. Iron 3. [Kr] 4d10 5s0
S. Palladium 4. [Kr] 3d5 4s1

  1. P - 1, Q - 2, R - 3, S - 4

  2. P - 3, Q - 2, R - 4, S - 3

  3. P - 4, Q - 2, R - 3, S - 1

  4. P - 4, Q - 2, R - 1, S - 3

  5. P - 3, Q - 2, R - 4, S - 1
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, it is the correct answer. Electronic configuration of chromium is [Ar] 3d5 4s1. Electronic configuration of molybdenum [Kr] 4d5 5s1. Electronic configuration of iron is [Ar] 3d8 4s2. Electronic configuration of palladium is [Kr] 4d10 5s0.

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