For acidic solution
1.. pH = 7
2.pH < 7
3. pH > 7
4.none of these
Posted Date:-2021-03-07 08:21:17
What is the pH of the resulting solution when equal volumes of 0.1M NaOH and 0.01M HCl are mixed?
1.7
2.1.04
3.12.05
4.2
Posted Date:-2021-03-07 08:21:17
Could BF3 acidity be clarified using one of the following concepts?
1. Arrhenius concept
2. Bronsted Lowry concept
3.Lewis concept
4.Bronsted Lowry as well as Lewis concept
Posted Date:-2021-03-07 08:21:17
The aqueous solution of NH4Cl is
1. alkaline
2. acidic
3. neutral
4.none of these
Posted Date:-2021-03-07 08:21:17
The oxidation number of Cr in K2CrO4 is
1.a. +6
2.-6
3.8
4.-8
Posted Date:-2021-03-07 08:21:17
What should be the correct order of the gas, acetone and ether vapour concentration at 30℃. Considering that water has a maximum boiling point among these compounds, and that ether has a minimum boiling point?
1. water > ether > acetone
2.water < acetone < ether
3. ether < acetone < water
4.acetone < ether < water
Posted Date:-2021-03-07 08:21:17
What will be the value of pH of 0.01 mol dm-3 CH3COOH (Ka = 1.74 x 10-5)?
1.3.4
2.3.6
3.3.9
4.3
Posted Date:-2021-03-07 08:21:17
Which of the following options will be correct for the stage of half completion of the reaction A ⇌ B?
1. Go = 0
2. Go > 0
3. Go < 0
4. Go = – RT ln 2
Posted Date:-2021-03-07 08:21:17
Which of the following salts will give the highest pH in the water?
1. KCl
2. NaCl
3.Na2CO3
4. CuSO4
Posted Date:-2021-03-07 08:21:17
Which one of the following species cannot act as both Bronsted acid and base?
1. H2O
2.HCO3–
3. HSO4–
4.NH2–
Posted Date:-2021-03-07 08:21:17