Mht CetAldehyde And KetoneMHT CET 2026 19th April Morning ShiftMCQ+1 / -02026Which from the following aldehydes contains two $-\text{CHO}$ groups in a molecule?AAcroleinBO-TolualdehydeCPhthaldehydeDButyraldehydeCheck AnswerClear SelectionReveal AnswerShow Explanation