Question

CHEMISTRY: PS01CCHE21
(Electron Spectroscopy and Magneto Chemistr
gures to the right indicate full marks.
A. Answer the following:
1. Which of the following system is known as hole-equivalent?
a. Mn3+ and Co2+
b. Cu2+ and Co.3+
C. Fe2+ and Cr2+
d. Ni2+ and Cr3+​

Answer 1

Answer:

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