MCQ
Structure of $3,4-$ dimethyl pent $-1-$ en $-3-$ ol is
- ✓

- B

- C

- D






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$(A)$ All are isoelectronic
$(B)$ All have the same nuclear charge
$(C)$ $\mathrm{O}^{2-}$ has the largest ionic radii
$(D)$ $\mathrm{Mg}^{2+}$ has the smallest ionic radii
Choose the most appropriate answer from the options given below :