Question Detail
Question
An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the distance between adjacent carbon atoms is 1.39Å (intermediate between single and double bond lengths). The evidence suggests that compound (A) is
Correct Answer
Option A is the correct answer.
Detailed Explanation
Molecular weight 78 and empirical formula CH gives C6H6 (benzene). The intermediate C-C bond length (1.39 Å), resistance to oxidation, and substitution/addition reactions are characteristic of benzene.
Hint
What compound has formula C6H6 and a C-C bond length of 1.39 Å?