JEE Advanced 2014 Chemistry 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 = ; atomic numbers: Ti = 22; Cr = 24; Co = 27; Pt = 78} List-I P. Q. R. S. List-II 1. Paramagnetic and exhibits ionisation isomerism 2. Diamagnetic and exhibits cis-trans isomerism 3. Paramagnetic and exhibits cis-trans isomerism 4. Diamagnetic and exhibits ionisation isomerism
Answer: (B)
Solution
P: () is paramagnetic; octahedral shows cis–trans isomerism → 3. Q: () is paramagnetic; Cl inside and outside can be exchanged, giving ionisation isomers → 1. R: (, square planar)
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