Lessons

Eamcet Chemistry
1st Year : Unit 1.2 (Basics & Concepts) - Emperical & Molecular Formula

18 / 25

Q.

Atomic weight of a metal M is 56. The empirical formula of its oxide containing 70% of M is

View Answer

Correct choice: B

Explanation:

M              O
( 70/56)=5/4     (30/16)=15/8
Simple ratio is 5/4 :15/8 =1: 3/2 =2:3 , E.F= M2O3
18 / 25