Multiple choice

Match the entries in Group-I (element) with those in Group-II (electronic configuration) and select the correct answer using the codes given below.

 
Group - I
Group - II
P. Cu 1. 4d7, 5s1
Q. Mo 2. 4d8, 5s1
R. Ru 3. 3d10, 4s1
S. Rh 4. 4d5, 5s1

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

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

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

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

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

29Cu has the electronic configuration of 3d10, 4s1. 42 Mo has the electronic configuration of 4d5, 5s1. 44 Ru has the electronic configuration of 4d7, 5s1. 45Rh has the electronic configuration of 4d8, 5s1.

Hence, the correct answer is P - 3, Q - 4, R - 1, S - 2.

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