The most stable form of carbon at high temperature is X. The C - C bond length in diamond is Y while C - C bond length is graphite is Z.
What are X,Y and Z respectively?

Options

A. Graphite `1.42 Å, 1.54 Å`
B. Coke, `1.54 Å, 1.84 Å`
C. Diamond, `1.54 Å, 1.42 Å`
D. Fullerene, `1.54 Å, 1.54 Å`

Answer

C

Explanation

X = diamond, `Y = 1.54 Å, Z = 1.42 Å`