• # question_answer What is the C-C bond length (in angstroms) in diamond? A)  5.2                             B)  2.0                 C)    1.54                D)  3.35

In diamond, C-C single bond is there. Therefore, bond length is $1.54\text{ }\overset{\text{o}}{\mathop{\text{A}}}\,.$ Hence, the correct option is (c).