JEE Main - Previous Year Papers JEE MAIN 2023 JEE MAINS 13 APRIL- 2023 PAPER SHIFT -1 Single Correct MCQ
Published on: August 14, 2026

The mismatched combinations are

A
Chlorophyll - Co A and C Only
B
Water hardness - EDTA A and E Only
C
Photography - D and E Only
D
Wilkinson catalyst - (E) Chelating ligand - D - Penicillamine Choose the correct answer from the options given below: A, C and E Only

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The correct answer is:
A

is present in chlorophyll and in black and white photography the developed film is fixed by washing with hypo solution which dissolves the undecomposed to form a complex ion

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