Allotropy is the occurence of same element in two or more different physical forms having more or less similar chemical properties but different physical properties. The different forms of the element are called allotropes. Allotropy is due to the difference in the arrangement of atoms in solid state. Allotropes may be crystalline or amorphous
In which of the following all the atoms are not `sp^(3)` hybridization

Options

A. Diamond
B. Carborundum
C. Crystalline silicon
D. Quartz

Answer

C

Explanation

SiC [Carborundum] `tosp^(3)` hybridisation