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JEE Main 202117 MarchEvening Shift
Exam
JEE Main
Year
2021
Date
17 March
Shift
Evening Shift
Subject
Chemistry
Chapter
d and f Block Elements

JEE Main 2021 · 17 March · Evening Shift · Chemistry · d and f Block Elements

The common positive oxidation states for an element with atomic...

The common positive oxidation states for an element with atomic number 24,24, are:

Options

  1. A+2+ 2 to +6+ 6
  2. B+1+ 1and +3+ 3 to +6+ 6
  3. C+1+ 1 and +3+ 3
  4. D+1+ 1 to +6+ 6

Correct answer

A. +2+ 2 to +6+ 6

Step-by-step solution

Cr(Z=24)Cr ( Z = 24 )

[Ar]4s13d5Cr[ Ar ] 4{s}^{1}3{d}^{5}Cr shows common oxidation states starting from +2+ 2 to +6+ 6.

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