Question

The energy of one mole of photons of radiation of wavelength 300 nm is

(Given : h = 6.63 × 10^–34 Js, NA = 6.02 × 10²³mol^–1 , c = 3 × 10⁸ ms^–1) 

(A) 235 kJ mol^–1 

(B) 325 kJ mol^–1 

(C) 399 kJ mol^–1 

(D) 435 kJ mol^–1

Answer 1

Correct option is (C) 399 kJ mol^-1