Question

Match the Column I with Column II and select the correct answer using given codes.

Column I		Column II
A	$3 d$-transition series	1	Cerium $(Z=58)$
B	$4 d$-transition series	2	Actinium $(Z=89)$
C	$4 f$-inner transition series	3	Zinc $(Z=30)$
D	$5 f$-inner transition series	4	Yttrium $(Z=39)$

• A. A - (1) , B - (2) , C - (3) , D - (4)
• B. A - (1) , B - (2) , C - (4) , D - (3)
• C. A - (3) , B - (4) , C - (2) , D - (1)
• D. A - (3) , B - (4) , C - (1) , D - (2)

Answer 1

Answer: (D)

The correct match is
$A \rightarrow 3 ; B \rightarrow 4 ; C \rightarrow 1 ; D , \rightarrow 2$
A. $3 d$ transition series $\longrightarrow$ Scandium to zinc $d^{1}$ to $d^{10}$.
So, zinc belongs to $3 d$ transition series.
B. $4 d$ transition series $\longrightarrow$ Yttrium to cadmium ($39$ to $48$ atomic number).
So, yttrium belongs to $4 d$-transition series.
C. $4 f$-inner transition series $\longrightarrow$ Cerium to lutetium ($58$ to $71$ atomic number).
So, cerium belong to $4 f$-inner transition series.
D. $5 f$-inner transition series $\longrightarrow$ Actinium (thorium to lawrencium) $90$ to $103$ atomic number.
So, actinium belongs to $5 f$ inner transition series.