Home/
Competitive Exams/
NEET/
Chemistry/
Thermodynamics/
Question 23016
NEET Chemistry · Hard

Thermodynamics: Work sign MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Work signHardQuestion 23016

Question

If a gas expands from 2 L to 5 L against 1 atm external pressure, the sign of work is:

  1. A
    Negative
    Correct
  2. B
    Positive
  3. C
    Zero
  4. D
    Depends on temperature only

Correct answer

Negative

Explanation

Expansion means the system does work on surroundings.

Review Thermodynamics notesStart timed chapter practice