MCQ
m-chlorobenzaldehyde on treatment with $50 \%$ $\mathrm{KOH}$ solution yields
- A

- ✓

- C

- D







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$(1)$ It has $2$ angular nodes
$(2)$ It has $3$ radial nodes
$(3)$ It is a 4d state
$(4)$ The nuclear charge experienced by the electron in this state is less than $2 e$, where $e$ is the magnitude of the electronic charge.