If pH value of a solution is 3 and by adding water, it becomes 6,
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
Chemistry
In N₂ + 3H₂ → 2NH₃ reversible reaction ,increases in pressure will favour
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.
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
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 […]
Which of the following is a Lewis acid
Which of the following is a Lewis acid
Options
(a) Br⁻ (b) Cl⁻ (c) S⁻ (d) Ag⁺
Correct Answer:
Ag⁺
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which of the following is a Lewis acid
Which of the following is a Lewis acid
Options
(a) Cl⁻ (b) H₃O⁺ (c) BF₃ (d) C₂H₅OH
Correct Answer:
BF₃
Explanation:
No explanation available. Be the first to write the explanation for this […]
100 mL of HCl + 35 mL of NaOH, colour of methyl orange in the solution will be
100 mL of HCl + 35 mL of NaOH, colour of methyl orange in the solution will be
Options
(a) red (b) yellow (c) can’t be predicted (d) methyl orange is not a […]
For a reaction, 2NOCl(g) + Cl₂(g) , Kc at 427⁰C is 3 ˣ 10⁻⁶ L.mol⁻¹.
For a reaction, 2NOCl(g) + Cl₂(g) , Kc at 427⁰C is 3 ˣ 10⁻⁶ L.mol⁻¹.The value of Kp is nearly
Options
(a) 7.50 ˣ 10⁻⁵ (b) 2.50 ˣ 10⁻⁵ (c) 2.50 ˣ 10⁻⁴ […]
In an equilibrium reaction, if temperature increases
In an equilibrium reaction, if temperature increases
Options
(a) equilibrium constant increases (b) equilibrium constant decreases (c) any of the above (d) no effect
Correct Answer:
any of the above
Explanation:
No explanation […]
Action of nitrous acid on ethyl amine gives
Action of nitrous acid on ethyl amine gives
Options
(a) nitromethane (b) NH₃ (c) C₂H₆ (d) C₂H₅OH
Correct Answer:
C₂H₅OH
Explanation:
CH₂CH₂NH₂ → C₂H₅OH + N₂ + H₂O.
NaNO₂ + HCl → NaCl + […]