Chemistry Test ...

The volume of reaction vessel having following equilibrium increases

SO₂Cl₂(g) ⇌ SO₂(g) + Cl₂(g)

When equilibrium re–established :

The exothermic formation of CℓF₃ is represented by the equation :

Cℓ_2(g) + 3F_2(g) ⇌ 2CℓF_3(g) ; ΔH = –329 kJ

Which one of the following will increase the quantity of CℓF₃ in an equilibrium mixture of Cℓ₂, F₂ and CℓF₃.

For the reaction : PCl_5(g)  PCl_3(g) + Cl_2(g), the forward reaction at constant temperature is favoured by :-

(a) Introducing inert gas at constant pressure

(b) Introducing inert gas at constant volume

(c) Introducing PCl₅ at constant volume

(d) Introducing Cl₂ at constant volume

If 100 mL, 0.1 N H₂SO₄ solution is mixed with 100 mL, 0.1 M Ba(OH)₂ solution then pH of resulting solution will be :

Which of the following solution has pH = 10 at 25°C:-

Which of the following is correct for poly basic acid :

Nicotinic acid (K_a = 1.4 × 10^–5) is represented by formula HNiC. It's percentage dissociation in a solution containing 0.1 Mole nicotinic acid in 2L solution will be :-

The [OH^–] in 0.01 M aqueous solution of NaOCN (K_b for OCN^– = 10^–10) will be :-

The solubility of BaSO₄ at 25°C is 2.33 ×10^–4 gm/100 ml. Find out the solubility product of BaSO₄
(M.wt. of BaSO₄ = 233) :

What is the molar solubility of Ag₂CO₃ (K_sp = 4 × 10^–13) in 0.1 M Na₂CO₃ solution ?