MCQ
The $IUPAC$ name of the compound


- A$4$ -Methylcyclopent- $1$ -en- $2$ -ol
- ✓$5$ -Methylcyclopent- $2$ -en- $1$ -ol
- C$2$ -Methylcyclopent- $4$ -en- $1$ -ol
- D$3$ -Methylcyclopent- $1$ -en- $2$ -ol


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$(i)$ Magnetic quantum no. $(m_l )$ gives information about the spatial orientation of orbitals with respect to standard set of co-ordinate axis.
$(ii)$ Electron spin quantum no. is represented by '$s$' and have value' $\frac{1}{2}$ '
$(iii)$ Principal quantum no. $(n)$ determine the size of the orbitals and also to a large extent of the energy of the orbitals.
$CH \equiv CH\xrightarrow[{(excess)}]{{NaN{H_2}/liq.N{H_3}}}A\xrightarrow{{2C{H_3} - I}}B\xrightarrow[{quinolene}]{{{H_2}/Pd - BaS{O_4}}}C$
$C\xrightarrow[{quinolene}]{{{H_2}/Pd - BaS{O_4}}}\xrightarrow[{liq.\,N{H_3}}]{{NaN{H_2}}}D$