Mht CetD And F Block ElementsMHT CET 2026 11th April Morning ShiftMCQ+1 / -02026Why zinc does not exhibit variable oxidation states?ACompletely filled $4s$ subshellBCompletely filled $3d$ subshellCIncomplete $3d$ subshellDIncomplete $4s$ subshellCheck AnswerClear SelectionReveal AnswerShow Explanation