Observe the equation of the chemical reactions given below. i. NaOH (

1.	Observe the equation of the chemical reactions given below. i. NaOH (aq) + HCl (aq) → 2NaCl (aq) + H2O(l) ii. N2(g) + O2 (g) ⇌ 2NO(g) iii. Zn(s) + ZHCl → ZnCl2 (ql) + H2(g) iv. 2SO2 (g) + O2(g) ⇌ 2SO3 (g) a In which chemical reaction pressure can influence its speed ? b. In this reaction what changes will be made in pressure for increasing forward reaction ? Why ?
Answer» Reaction (iv) 2SO₃ (g) + O₃ (g) ⇌ 2SO₃ (g) b. In this reaction, the number of moles of the products is less than the number of moles of the reactants. So if the pressure is increased, rate of forward reaction is increased. Thereby the yield of the product will be more.

Observe the equation of the chemical reactions given below. i. NaOH (aq) + HCl (aq) → 2NaCl (aq) + H2O(l) ii. N2(g) + O2 (g) ⇌ 2NO(g) iii. Zn(s) + ZHCl → ZnCl2 (ql) + H2(g) iv. 2SO2 (g) + O2(g) ⇌ 2SO3 (g) a In which chemical reaction pressure can influence its speed ? b. In this reaction what changes will be made in pressure for increasing forward reaction ? Why ?

Answer»

Reaction (iv)

2SO₃ (g) + O₃ (g) ⇌ 2SO₃ (g)

b. In this reaction, the number of moles of the products is less than the number of moles of the reactants. So if the pressure is increased, rate of forward reaction is increased. Thereby the yield of the product will be more.

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