MCQ
Product $(D)$ in above sequence is


- ✓

- B

- C

- D








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$(I) HCHO$,
$(II)$ $C{H_3}CHO$,
$(III)$ $C{H_3}COC{H_3}$ is
| $n$ | $l$ | $m_l$ | |
| $A$ | $3$ | $3$ | $-3$ |
| $B$ | $3$ | $2$ | $-2$ |
| $C$ | $2$ | $1$ | $+1$ |
| $D$ | $2$ | $2$ | $+2$ |
The number of correct sets of quantum numbers is ..... .