Which of the following statements about a compound is incorrect?

Options

A. A molecule of a compound has atoms of different elements
B. A compound cannot be separated into its constituent elements by physical methods of separation
C. A compound retains the physical properties of its constituent elements
D. The ratio of atoms of different elements in a compound is fixed

Answer

C

Explanation

A compound is a pure substance containing two or more than two elements combined together in a fixed proportion by mass and which can be decomposed into its constituent elements by suitable chemical methods. Further, the properties of a compound are quite different from the properties of constituent elements. e.g., water is a compound containing hydrogen and oxygen combined together in a fixed proportion. But the properties of water are completely different from its constituents, hydrogen and oxygen