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. { $e n = H_{2} N C H_{2} C H_{2} N H_{2}$ atomic numbers : Ti = 22; Cr = 24; Co = 27; Pt = 78}

List - I List - II

(P) $[C r (N H_{3})_{4} C l_{2}] C l$ (1) Paramagnetic and exhibits ionisation isomerism

(Q) $[T i (H_{2} O)_{3} C l] (N O_{3})_{2}$ (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

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

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

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

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

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Solution

The correct option is B P - 3, Q - 1, R - 4, S - 2
(P) $[C r^{I I I} (N H_{3})_{4} C l_{2}] C l :$ (3) Complex given in (P) is paramagentic (3 unpaired electrons) & show two geometrical isomerism (cis and trans) (does not show ionization isomer)

(Q) $[T i^{I I I} (H_{2} O)_{5} C l] (N O_{3})_{2}$ : (1) Complex given in (Q) is paramagentic (1 unpaired electrons) show ionization isomerism

(R) $[P t^{I I} (e n) (N H_{3}) C l] N O_{3}$ : (4) Complex given in (R) is diamagnetic (0 unpaired electrons) and show ionization isomerism

(S) $[C o^{I I I} (N H_{3})_{4} (N O_{3})_{2}] N O_{3}$ : (2) Complex given in (S) is diamagentic (0 unpaired electrons) does not show ionization isomerism show geometrical isomerism.

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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

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};

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

	List I		List II
A	$[C r {({N H}_{3})}_{4} {C l}_{2}] C l$	1	Paramagnetic and exhibits ionization isomerism
B	$[T i {(H_{2} O)}_{3} C l] {({N O}_{3})}_{2}$	2	Diamagnetic and exhibits cis-trans isomerism
C	$[P t (e n) (N H_{3}) C l] {N O}_{3}$	3	Paramagnetic and exhibits cis-trans isomerism
D	$[C o {({N H}_{3})}_{4} {({N O}_{3})}_{2}] {N O}_{3}$	4	Diamagnetic and exhibits ionization isomerism

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}

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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