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Q.

The effective atomic number of Rh (atomic number = 45) in the complex is :

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a

54

b

52

c

50

d

56

answer is A.

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Detailed Solution

If X, Y and Z are the number of electrons a metal loses, quantity of electrons given away by ligands and atomic number respectively, EAN is

EAN=Z−X+Y

EAN = 46 - 1 + 4 x 2

EAN  = 52

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