MCQ
The fluorine molecules is formed by
- A$p-p$ orbitals (sideways overlap)
- ✓$p-p$ orbitals (end-to-end overlap)
- C$sp-sp$ orbitals
- D$s-s$ orbitals

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(Given : antilog $0.125=1.333$, antilog $0.693=$ 4.93)
| List -I (Group attached in benzene) | List-ll (Effect shown by the group) |
| a. -NO2 | (i) -R effect and -l effect |
| b. -O- | (ii) +R effect and -l effect |
| c. -O-CH3 | (iii)+R effect and +l effect |
| d. -CH3 | (iv) +1 effect and no resonance |
$S{e_2}C{l_2}\xrightarrow{\Delta }SeC{l_4} + Se$
Statement $I:$ On heating with $KHSO _{4}$, glycerol is dehydrated and acrolein is formed.
Statement $II:$ Acrolein has fruity odour and can be used to test glycerol's presence.Choose the correct option.