MCQ
Which of the following compound has two different $C-C$ bond lengths ?
- A

- ✓

- C

- D$C{H_2} = CH\mathop { - C{H_2}}\limits^{\,\,\, \oplus \,\,\,\,\,\,\,\,} $





Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(i)$ 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.
If molar mass of hydrochloric acid is $M.$