Which one of the following conditions will favour maximum formation of the product in the reaction, A2(g) + B2(g) ⇌ X2(g) ΔrH = -X kJ ?

NEET UG 2018 · Chemistry · Question 83

NEET 2018 Chemistry, question 83

Question 83 of the NEET 2018 paper (code AA) is a Chemistry question from Equilibrium. Its idea, Le Chatelier: Concentration and Pressure, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 3.

Updated 2026-10-08

Q83 · Chemistry

\mathrm{A_2(g) + B_2(g) \rightleftharpoons X_2(g)}

1 High temperature and high pressure 2 Low temperature and low pressure 3 Low temperature and high pressure Official answer 4 High temperature and low pressure

Official answer: option 3 · CBSE official answer key

Same idea

The only question on Le Chatelier: Concentration and Pressure

No other NEET paper from 2017–2026 tested this exact idea.

Le Chatelier: Concentration and Pressure: every question and how it was framed

The chapter

Equilibrium in ten years of NEET

26 questions from 2017–2026, asked in 10 of 10 papers, about 2.5 a paper. Chemical Equilibrium alone had 11.

Chapter analysis Study this chapter Practise this chapter

The only question on Le Chatelier: Concentration and Pressure

Equilibrium in ten years of NEET

Equilibrium: questions per paper