MCQ
$C_{60},$ an allotrope of carbon contains
- ✓$20$ hexagons and $12$ pentagons.
- B$12$ hexagons and $20$ pentagons
- C$18$ hexagons and $14$ pentagons
- D$16$ hexagons and $16$ pentagons
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Here en $=$ ethylene diamine
Reason : Water is polar and benzene is nonpolar.
($A$) $\left[\mathrm{Pt}(\mathrm{en})(\mathrm{SCN})_2\right]$
($B$) $\left[\mathrm{Zn}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right]$
($C$) $\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_4\right]$
($D$) $\left[\mathrm{Cr}(\mathrm{en})_2\left(\mathrm{H}_2 \mathrm{O}\right)\left(\mathrm{SO}_4\right)\right]^{+}$