Dalton's law of partial pressures acids to evolve chlorine. states that total pressure is the sum
Reason : The chlorine liberated by the action of partial pressures.

Options

A. if both assertion and reason are true and reason is thr correct explanation of assertion
B. If both assertion and reason are true but reason is not the correct explanation of assertion
C. If assertion is true but reason is false
D. If both assertion and reson are false.

Answer

A

Explanation

`E =- (2pi k^2m_e^4)/(n^2h^2)` where n = principal quantum number which has only intergal value. It follows that total energy is qunatized .