Assertion (A): The empirical mass of ethene is half of its molecular mass. Reason (R): The empirical formula … is true (d) Both A…
(a) Empirical formula of ethene = CH2
Empirical formula mass of ethene =14 amu
= 1/2 — x molecular mass of ethene .
Empirical formula shows that ethene has (C : H):: 1 : 2
Correct answer is c.