MCQ
Which of these do not contain $ - COOH$ group
- AAspirin
- BBenzoic acid
- ✓Picric acid
- DSalicylic acid

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Reason : Oxygen is bluish coloured liquid and in singlet state it is para-magentic.

$(A)$ $n =3,1=0, m =0$
$(B)$ $n =4, l =0, m =0$
$(C)$ $n =3, l =1, m =0$
$(D)$ $n =3, l =2, m =1$
The correct option for the order is :