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

Question

The mismatched combinations are

A. Chlorophyll $– Co$

B. Water hardness $– EDTA$

C. Photography $- {\left[Ag ( CN{)}_{2}\right]}^{-}$

D. Wilkinson catalyst $- \left[{\left({Ph}_{3}P\right)}_{3}RhCl\right]$

E. Chelating ligand $– D -$ Penicillamine

Choose the correct answer from the options given below.

Quantrex Academy · Accepted Answer

Correct answer: B. A and C only

The chlorophyll molecule has a central magnesium atom engulfed by a nitrogen-containing structure called a porphyrin ring; attached to the ring is a long carbon-hydrogen side chain.

Hardness of water is determined by titrating with a standard solution of ethylene diamine tetra acetic acid (EDTA) which is a complexing agent. Since EDTA is insoluble in water, the disodium salt of EDTA is taken for this experiment. EDTA can form four or six coordination bonds with a metal ion.

Silver bromide is used in photography as a component of an emulsion that helps develop a photographic image. Silver bromide is sensitive to light, and when suspended in gelatin, silver bromide's grains create a photographic emulsion.

Wilkinson's catalyst is the common name for chloridotris(triphenylphosphine)rhodium(I), a coordination complex of rhodium with the formula $\left[{\left({Ph}_{3}P\right)}$ _{3}RhCl\right] $</p><p>D-Penicillamine is chelating ligand.$

The mismatched combinations are A. Chlorophyll – Co B. Water...

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