JEE PYQ: P Block Elements Question 63
Question 63 - 2019 (12 Apr Shift 2)
The C$-$C bond length is maximum in:
(1) graphite
(2) $\text{C}_{70}$
(3) $\text{C}_{60}$
(4) diamond
Show Answer
Answer: (4)
Solution
Carbon-carbon bond length is maximum in diamond because diamond has all single bonds while graphite, $\text{C}{60}$ and $\text{C}{70}$ have single and double bonds.