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QJEEM19Chc746: JEE Main 2019 Chemistry - Class 12 JEEM19Chc746 Solution: The element that usually does NOT show variable oxidation…
The element that usually does NOT show variable oxidation states is :
Multiple Choice Options
- A V
- B Cu
- C Sc
- D ti
Step-by-Step Verified Solution
Sc3+ has noble gas configuration hence only +3 exists.
Most common oxidation states of :
(i) Sc : +3
(ii) V : +2, +3, +4, +5
(iii) Ti : +2, +3, +4
(iv) Cu : +1, +2
Most common oxidation states of :
(i) Sc : +3
(ii) V : +2, +3, +4, +5
(iii) Ti : +2, +3, +4
(iv) Cu : +1, +2