Match each coordination compound in List - I with an appropriate pair of characteristics from List - II and select the correct answer using the code given below the lists.
{en = $H_{2} N C H_{2} C H_{2} N H_{2}$ (atomic numbers: $T i = 22; C r = 24; C o = 27; P t = 78$ }
$\begin{matrix} L i s t I & L i s t I I (P) [C r (N H_{3})_{4} C l_{2}] C l & (1) P a r a m a g n e t i c a n d e x h i b i t s i o n i z a t i o n i s o m e r i s m (Q) [T i (H_{2} O)_{5} C l] (N O_{3})_{2} & (2) D i a m a g n e t i c a n d e x h i b i t s c i s - t r a n s i s o m e r i s m (R) [P t (e n) (N H_{3}) C l] N O_{3} & (3) P a r a m a g n e t i c a n d e x h i b i t s c i s - t r a n s i s o m e r i s m (S) [C o (N H_{3})_{4} (N O_{3})_{2}] N O_{3} & (4) D i a m a g n e t i c a n d e x h i b i t s i n o n i z a t i o n i s o m e r i s m \end{matrix}$

R - 3, S - 1

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R - 4, S - 2

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R - 3, S - 4

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R - 4, S - 1

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Solution

The correct option is B R - 4, S - 2
$\begin{matrix} L i s t I & L i s t I I (P) [C r^{I I I} (N H_{3})_{4} C l_{2}] C l & (1) C o m p l e x g i v e n i n (P) i s p a r a m a g n e t i c (3 u n p a i r e d e l e c t r o n s) & a n d s h o w s g e o m e t r i c a l i s o m e r i s m (c i s a n d t r a n s) (d o e s n o t s h o w i o n i z a t i o n i s o m e r i s m) (Q) [T i^{I I I} (H_{2} O)_{5} C l] (N O_{3})_{2}] & (2) C o m p l e x g i v e n i n (Q) i s p a r a m a g n e t i c (1 u n p a i r e d e l e c t r o n) & a n d s h o w s i o n i z a t i o n i s o m e r i s m (R) [P t^{I I} (e n) (N H_{3}) C l] N O_{3} & (3) C o m p l e x g i v e n i n (R) i s d i a m a g n e t i c (0 u n p a i r e d e l e c t r o n) & a n d s h o w s i o n i z a t i o n i s o m e r i s m (S) [C o^{I I I} (N H_{3})_{4} (N O_{3})_{2}] N O_{3} & (4) C o m p l e x g i v e n i n (S) i s d i a m a g n e t i c (0 u n p a i r e d e l e c t r o n) & a n d d o e s n o t s h o w i o n i z a t i o n i s o m e r i s m (s h o w s g e o m e t r i c a l i s o m e r i s m) \end{matrix}$

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H_{2} N C H_{2} C H_{2} N H_{2}

\begin{matrix} L i s t I & L i s t I I (P) [C r (N H_{3})_{4} C l_{2}] C l & (1) P a r a m a g n e t i c a n d e x h i b i t s i o n i z a t i o n i s o m e r i s m (Q) [T i (H_{2} O)_{5} C l] (N O_{3})_{2} & (2) D i m a g n e t i c a n d e x i h i b i t s c i s - t r a n s i s o m e r i s m (R) [P t (e n) (N H_{3}) C l] N O_{3} & (3) P a r a m a g n e t i c a n d e x i h i b i t s c i s - t r a n s i s o m e r i s m (S) [C o (N H_{3})_{4} (N O_{3})_{2}] N O_{3} & (4) D i a m a g n e t i c a n d e x i h i b i t s i n o n i z a t i o n i s o m e r i s m \end{matrix}

H_{2} N C H_{2} C H_{2} N H_{2}

T i = 22; C r = 24; C o = 27; P t = 78

\begin{matrix} L i s t I & L i s t I I (P) [C r (N H_{3})_{4} C l_{2}] C l & (1) P a r a m a g n e t i c a n d e x h i b i t s i o n i z a t i o n i s o m e r i s m (Q) [T i (H_{2} O)_{5} C l] (N O_{3})_{2} & (2) D i a m a g n e t i c a n d e x h i b i t s c i s - t r a n s i s o m e r i s m (R) [P t (e n) (N H_{3}) C l] N O_{3} & (3) P a r a m a g n e t i c a n d e x h i b i t s c i s - t r a n s i s o m e r i s m (S) [C o (N H_{3})_{4} (N O_{3})_{2}] N O_{3} & (4) D i a m a g n e t i c a n d e x h i b i t s i n o n i z a t i o n i s o m e r i s m \end{matrix}

e n = H_{2} N C H_{2} C H_{2} N H_{2}; A t . N o s . : T i = 22; C r = 24; C o = 27; P t = 78

	List - I		List - II
(P)	$[C r (N H_{3})_{4} C l_{2}] C l$	1.	Paramagnetic and exhibits ionisation isomerism.
(Q)	$[T i (H_{2} O)_{5} C l] (N O_{3})_{2}$	2.	Diamagnetic and exhibits cis-trans isomerism
(R)	$[P t (e n) (N H_{3}) C l] N O_{3}$	3.	Paramagnetic and exhibits cis-trans isomerism
(Q)	$[C o (N H_{3})_{4} (N O_{3})_{2}] N O_{3}$	4.	Diamagnetic and exhibits ionisation isomerism

e n = H_{2} N C H_{2} C H_{2} N H_{2};

T i = 22; C r = 24; C o = 27; P t = 78

$L i s t - I$	$L i s t - I I$
(P)	$[C r (N H_{3})_{4} C l_{2}] C l$	1.	$Paramagnetic and exhibits ionisation isomerism$
(Q)	$[T i (H_{2} O)_{5} C l] (N O_{3})_{2}$	2.	$Diamagnetic and exhibits cis-trans isomerism$
(R)	$[P t (e n) (N H_{3}) C l] N O_{3}$	3.	$Paramagnetic and exhibits cis-trans isomerism$
(S)	$[C o (C H_{3})_{4} (N O_{3})_{2}] N O_{3}$	4.	$Diamagnetic and exhibits ionisation isomerism$

e n = H_{2} N C H_{2} C H_{2} N H_{2}

List - I	List - II
(P) $[C r (N H_{3})_{4} C l_{2}] C l$	(1) Paramagnetic and exhibits ionisation isomerism
(Q) $[T i (H_{2} O)_{3} C l] (N O_{3})_{2}$	(2) Dimagnetic and exhibits cis-trans isomerism
(R) $[P t (e n) (N H_{3}) C l] N O_{3}$	(3) Paramagnetic and exhibits cis-trans isomerism
(S) $[C o (N H_{3})_{4} (N O_{3})_{2}] N O_{3}$	(4) Dimagnetic and exhibits ionisation isomerism

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