Related Questions
What is the correct answer?
4
Acetic acid is weak acid because it is
What is the correct answer?
4
According to Bronsted Lowry an acid is
A. that gives cation in solution
B. one that gives ions in solution
What is the correct answer?
4
pH of 0.1 M monoprotic acid is 4. Then dissociation constant of the acid is :
What is the correct answer?
4
0.1 M acetic acid ionise to an extent of 1.34%. Ionisation constant of acetic acid is
What is the correct answer?
4
pH of 0.1 M monobasic acid is 4 then molar concentration of per litre will be
What is the correct answer?
4
In the above reaction acid is
What is the correct answer?
4
2 gm of NaOH is dissolved in one litre water. pH of the solution will be
What is the correct answer?
4
Which of the following will favour the reverse reaction in a chemical equilibrium?
A. Increasing the concentration of one or more of the products
B. Decreasing the concentration of one of the products
C. Removal of at least one of the products at regular intervals
What is the correct answer?
4
On dissolving sodium carbonate in water pH of the solution
D. may increase or decrease
What is the correct answer?
4
Sum of pH and pOH of an acidic solution at is
What is the correct answer?
4
If is dissolved in water, pH of the solution
D. may increase or decrease
What is the correct answer?
4
Precipitation takes place when
What is the correct answer?
4
Molar concentration of in an aqueous solution of at 298K is 1.5 x , for is
What is the correct answer?
4
Dissociation constant of 0.01 M HCN is 4 x. The concentration in the solution is
What is the correct answer?
4
Decinormal solution of acetic acid ionised to an extent of 1.3%. pH of this solution will be (log 1.3 = 0.11)
What is the correct answer?
4
In an aquous solution of silver bromide concentration of . If for AgBr is
4 x then concentration of Br in the solution is
B. 2 x mole
What is the correct answer?
4
Strength of an acid depends on
B. concentration of ions
C. concentration of ions
D. no. of moles of base used for neutralisation
What is the correct answer?
4
In III gp of salt analysis for cations and are added as group reagents. Which of the following can be used instead of ?
What is the correct answer?
4
(Mol. wt 233) has solubility 0.009 gm at 298 K. Its solubility product is
What is the correct answer?
4
During salt analysis is added before adding NH4OH for third gp., cation analysis so as to
A. increase the concentration of ions
B. increase the concentration of ammonia
C. increase the concentration of chloride ions
D. prevent the precipitation of hydroxides of subsequent groups
What is the correct answer?
4
At a given temperature will be more soluble in
What is the correct answer?
4
pH of a solution is 8.5. solution is
What is the correct answer?
4
Which of the following is not hydrolysed in water ?
What is the correct answer?
4
Ionisation constant of formic acid is 1.8 x at 298 K. In 0.1 NHCOOH the percentage ionisation of HCOOH acid is
What is the correct answer?
4
Conjugate base of is
What is the correct answer?
4
An aqueous solution of sodium acetate is
What is the correct answer?
4
Which of the following is not a Lewis acid?
What is the correct answer?
4
Ostwald dilution law is applicable for :
What is the correct answer?
4
Solubility of calcium carbonate is 0.0305 gm/litre.for is
What is the correct answer?
4
for AgCl (mol wt 143.5) is 17 x at 298K. The molar solubility of AgCl at 298 Kis