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Atomic numbers of Vanadium, Chromium, Nickel and Iron are 23, 24, 28 and 26 respectively. Which one of these is been expected to have the highest second ionization enthalpy?

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Important Questions on Classification of Elements and Periodicity in Properties

MEDIUM
COMEDK UGET
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 3 - Classification of Elements and Periodicity in Properties>COMEDK UGET 2014>Q 1
Atomic numbers of Vanadium, Chromium, Nickel and Iron are 23, 24, 28 and 26 respectively. Which one of these is been expected to have the highest second ionization enthalpy?