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 = H2NCH2CH2NH2; atomic numbers : Ti = 22; Cr = 24; Co = 27; Pt = 78} List I List II (P) [Cr(NH3)4Cl2]Cl (1) Paramagnetic and exhibits ionisation isomerism. (Q) [Ti(H2O)5Cl](NO3)2 (2) Diamagnetic and exhibits cis-trans isomerism. (R) [Pt(en)(NH3)Cl]NO3 (3) Paramagnetic and exhibits cis-trans isomerism. (S) [Co(NH3)4(NO3)2]NO3 (4) Diamagnetic and exhibits ionisation isomerism.

Engineering

Chemistry

Isomerism in Coordination Compounds

Crystal Field Theory and Valence Bond Theory

Question

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 = H₂NCH₂CH₂NH₂; atomic numbers : Ti = 22; Cr = 24; Co = 27; Pt = 78}

List I	List II
(P) [Cr(NH₃)₄Cl₂]Cl	(1) Paramagnetic and exhibits ionisation isomerism.
(Q) [Ti(H₂O)₅Cl](NO₃)₂	(2) Diamagnetic and exhibits cis-trans isomerism.
(R) [Pt(en)(NH₃)Cl]NO₃	(3) Paramagnetic and exhibits cis-trans isomerism.
(S) [Co(NH₃)₄(NO₃)₂]NO₃	(4) Diamagnetic and exhibits ionisation isomerism.

P → 3 ; Q → 1 ; R → 4 ; S → 2

P → 1 ; Q → 2 ; R → 4 ; S → 2

P → 4 ; Q → 2 ; R → 3 ; S → 1

P → 2 ; Q → 1 ; R → 3 ; S → 4

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[Cr(NH₃)₄Cl₂]Cl Paramagnetic and exhibits cis-trans isomerism.

[Ti(H₂O)₅Cl](NO₃)₂ Paramagnetic and exhibits ionisation isomerism.

[Pt(en)(NH₃)Cl]NO₃ Diamagnetic and exhibits ionisation isomerism.

[Co(NH₃)₄(NO₃)₂]NO₃ Diamagnetic and exhibits cis-trans isomerism.