Question

A certain compound has an empirical formula of CH3. What must be true about this compound? A. It contains three times as many hydrogen atoms as carbon atoms. B. It consists of 75% hydrogen by mass. C. Each molecule contains exactly four atoms. D. Each carbon atom is bonded to three hydrogen atoms.

Answer 1

Answer:

Option A

Explanation:

Empirical formula is CH3

Actual formula may be of C2H6 or C3H9......(CH3)n

Option B is incorrect because the compound contains 20% of hydrogen

Option C is incorrect because in C2H6 there are more than 4 atoms

Option D is incorrect because in C3H9 it is not possible