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The mismatched combinations are A. Chlorophyll – Co B. Water hardness – EDTA C. Photography – [Ag(CN) 2 ] – D. Wilkinson catalyst – [(Ph 3 P) 3 RhCl] E. Chelating ligand – D-Penicillamine Choose the correct answer from the options given below.

1. A, C and E only
2. A and C only
3. A and E only
4. D and E only

Correct answer: A and C only

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