Question

Which of the following statements about a compound is incorrect?

• 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 1

Answer: (C)

A compound retains the physical properties of its constituent elements.

A molecule of compound has atoms of different elements. which cannot be separated into its constituent elements by physical methods of separation. The physical properties of a compound are different than its constituent elements. For a given compound the ratio of different elements is fixed.

Option C is correct.