MHT CET202314 May 2023Evening ShiftChemistryRedox ReactionsActual
Which element from following rapidly loses its luster in air and tarnishes?
Options
- ABa
- BBe
- CK
- DMg
Correct answer
C. K
Step-by-step solution
Elements of group 1 rapidly lose their luster in air due to formation of a layer of exide, peroxide or superoxide by reaction with oxygen in air.