MCQ
Correct $IUPAC$ name of is


- AEthenyloxymethanal
- BEthenyl formate
- ✓Ethenylethanoate
- DVinylmethaneoate

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$(i) $ in filling a group of orbitals of equal energy, it is energetically preferable to assign electrons to empty orbitals rather than pair them into a particular orbital.
$(ii)$ When two electrons are placed in two different orbitals, energy is lower if the spins are parallel.are valid for

