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6.1. Equilibrium - 1 (chemical Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.1. Equilibrium - 1 (chemical Equilibrium)1 Mark
MCQ
In the gaseous equilibrium ${H_2}{X_2} + $ heat  $\rightleftharpoons$  $2HX$, the formation of $HX$ will be favoured by
  • A
    High pressure and low temperature
  • ✓
    High temperature and low pressure
  • C
    Low temperature and low pressure
  • D
    High temperature and high pressure
✓

Answer

Correct option: B.
High temperature and low pressure
(b) ${H_2}{X_2} + $heat $\rightleftharpoons$ $2HX$.

Reaction is endothermic and volume increasing in forward direction so according to Le chatelier’s principle for formation of $HX$, Temperature of the reaction should be high and pressure should be low.

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