Chapter 16, Problem 31R

To determine

To Choose: The correct option.

Answer to Problem 31R

Option A: Gas

Explanation of Solution

Introduction:

At room temperature, the nitrogen exists in gaseous state.The nitrogen is the colorless and uncreative diatomic gas. In atmosphere it found in the 78 % of the earth atmosphere.

Nitrogen is found in nature in diatomic form. Melting and boiling point of the nitrogen is low. Nitrogen found in gaseous form at room temperature.

Conclusion:

Thus, the option A is correct.