MCQ
$X$ is heated with soda lime and gives ethane. $X$ is
- AEthanoic acid
- BMethanoic acid
- ✓Propanoic acid
- DEither (a) or (c)
$\mathop {{C_2}{H_5}COOH}\limits_{{\text{propionic}}\,\,{\text{acid}}} \xrightarrow{{NaOH/CaO}}\mathop {{C_2}{H_6}}\limits_{{\text{ethane}}} $
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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