Question 68 of 70
Q.In the reaction H2(g) + I2(g) ⇌ 2HI(g), the value of Δng is :
(a) 0
(b) 1
(c) -1
(d) 2
Tamil Nadu DgeTamil Nadu HSC First Year (DGE) Board 2026MCQ· 1mImportance★★★★★est
97% · 68/70 Questions
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Start your 14-day free trial to unlock the full solution →We are asked for Δng, the change in the number of moles of gas, for the given equilibrium reaction.
Δng = (moles of gaseous products) - (moles of gaseous reactants) = 2 - 2 = 0 for this reaction.
For the reaction H2(g) + I2(g) ⇌ 2HI(g):
- Moles of gaseous reactants = 1 (H2) + 1 (I2) = 2
- Moles of gaseous products = 2 (HI)
Δng = 2 - 2 = 0. …
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