Chemistry

In the gas phase reaction C₂H₂ + H₂ ⇌ C₂H₆, the equilibrium constant can be expressed in

Options

(a) mol L⁻¹ (b) mol L⁻² (c) mol⁻¹ L⁻¹ (d) L mol⁻¹

Correct Answer:

L […]

In the reaction : I₂ + I⁻ → I₃⁻, the Lewis base is

Options

(a) I⁻ (b) I₂ (c) I₃⁻ (d) none of these

Correct Answer:

I⁻

Explanation:

No explanation available. Be the […]

A solution with pH = 2 is more acidic then one with a pH = 6 , by a factor

Options

(a) 4000 (b) 5000 (c) 8000 (d) 10000

Correct Answer:

10000

Explanation: […]

The aqueous solution of which of the following salt will have the lowest pH

Options

(a) NaClO₃ (b) NaClO (c) NaClO₄ (d) NaClO₂

Correct Answer:

NaClO₄

Explanation:

NaClO₄, on hydrolysis, gives strongest acid […]

If active mass of a 6% solution of a compound is 2, its molecular weight will be

Options

(a) 30 (b) 15 (c) 60 (d) 22

Correct Answer:

30

Explanation:

No explanation available. […]

Which of the following indicator is known as metal indicator

Options

(a) Phenolphthalein (b) Phenol red (c) Eriochrome Black-T (d) Methyl orange

Correct Answer:

Eriochrome Black-T

Explanation:

No explanation available. Be the first […]

Which of the following is the strongest base

Options

(a) H₂⁺ (b) H (c) HCO₃⁻ (d) H⁻

Correct Answer:

H⁻

Explanation:

No explanation available. Be the first to write the explanation for this […]

The equilibrium constant of a reaction is 300. If the volume of a reaction flask is trippled, the equilibrium constant will be

Options

(a) 300 (b) 100 (c) 600 (d) 150

Correct Answer: […]

The pH of 0.001 N acetic acid solution, which is 10% dissociated, is

Options

(a) 3 (b) 1 (c) 4 (d) 2

Correct Answer:

4

Explanation:

No explanation available. Be the first to […]

Which of the following is a characteristic of a reversible reaction

Options

(a) It never proceeds to completion (b) It can be influenced by a catalyst (c) It proceeds only in forward direction […]