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Friday, 9 October

JEE Main 2017 · ChemistryMultiple choiceSingle correctMediumCalculation

JEE Main 2 April 2017 (offline), Chemistry Q49

Question 49 of 90 in this shift, Chemistry question 19 of 30.

The most abundant elements by mass in the body of a healthy human adult are : Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75 kg person would gain if all 1^1H atoms are replaced by 2^2H atoms is :
  1. (1)7.5 kgOfficial answer
  2. (2)10 kg
  3. (3)15 kg
  4. (4)37.5 kg

Official answer

Option 1

CBSE answer key (25/04/2017, used for result).

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 (CBSE ran the 2017 exam); answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.