Q.

Match the species in Column I with their related properties in Column II.(Atomic Number is indicated in brackets in Column-I)

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a

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

b

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

c

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

d

P-3; Q-4; R-3,4; S-1,4

answer is C.

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Detailed Solution

Paramagnetic due to unpaired electron and sum of spin=3×12=1.5Thus, (P-1, 3)Paramagnetic and coloured due to unpaired electrons in 3dSum of spin = 1.5Thus, (Q-1, 2, 3)Coloured and paramagnetic Sum of spin = 2.5Thus, (R-1, 2)Coloured and paramagnetic Sum of spin = 2.0Magnetic moment =N(N+2)=  4(6)=24BMThus, (S-1, 2, 4)
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Match the species in Column I with their related properties in Column II.(Atomic Number is indicated in brackets in Column-I)