MCQ
From the ground state electronic configuration of the elements given below, pick up the one with highest value of second ionisation energy
- A$1s^2\,2s^2\,2p^6\,3s^2$
- ✓$1s^2\,2s^2\,2p^6\,3s^1$
- C$1s^2\,2s^2\,2p^6$
- D$1s^2\,2s^2\,2p^5$
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Reaction $- (2): CH_3 -CH = CH -CH_3 \xrightarrow{KMn{{O}_{4}}/NaI{{O}_{4}}}(C)$ $2\,mole$
Product $(B)$ and $(C)$ respectively are
