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 […]
If pH value of a solution is 3 and by adding water, it becomes 6,then the dilution is increased by
Options
(a) 500 times (b) 10 times (c) 1000 times (d) 100 times
In N₂ + 3H₂ → 2NH₃ reversible reaction ,increases in pressure will favour
Options
(a) reversible reaction (b) forward direction (c) irreversible reaction (d) backward direction
Correct Answer:
forward direction
Explanation:
No explanation […]
A buffer solution contains 0.1 M of acetic acid and 0.1 M of sodium acetate.What will be its pH? (pKa of acetic acid is 4.75)
Options
(a) 5 (b) 4 (c) 5.25 (d) […]
The law of equilibrium was first given by
Options
(a) Boyle (b) Goldberg (c) Waage (d) both (Goldberg) and (Waage)
Correct Answer:
both (Goldberg) and (Waage)
Explanation:
No explanation available. Be the first […]
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