Learn

Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyCalculation

JEE Main 24 June 2022, Shift 2, Chemistry Q62

Question 62 of 90 in this shift, Chemistry question 2 of 30, Section A.

The energy of one mole of photons of radiation of wavelength 300 nm is (Given : h = 6.63 ×\times 10−34^{-34} J s, NA_A = 6.02 ×\times 1023^{23} mol−1^{-1}. c = 3 ×\times 108^8 m s−1^{-1})
  1. (1)235 kJ mol−1^{-1}
  2. (2)325 kJ mol−1^{-1}
  3. (3)399 kJ mol−1^{-1}Official answer
  4. (4)435 kJ mol−1^{-1}

Official answer

Option 3

NTA final key.

Chapter
Structure of Atom
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.