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Question: 
 Find the conjugate acid of NH2–

1. NH3

2.NH4OH

3. NH4+

4.NH2–

Posted Date:-2021-03-08 07:18:36

Question: 
Highest pH will be recorded for which of the following solutions if they are equimolar

1.AlCl3

2.BaCl2

3. BeCl2

4.LiCl

Posted Date:-2021-03-08 07:18:36

Question: 
 Find the pH of a solution when 0.01 M HCl and 0.1 M NaOH are mixed in equal volumes

1.12.65

2.1.04

3.7

4.2

Posted Date:-2021-03-08 07:18:36

Question: 
In 0.10 M aqueous solution of pyridine (C5H5N), find the percentage of pyridine that forms pyridinium ion (C5H5N+H) (Kb for C5H5N = 1.7 x 10-9 )

1.1.60%

2.0.77%

3. 0.0060%

4.0.01%

Posted Date:-2021-03-08 07:18:36

Question: 
On increasing the concentration of reactants in a reversible reaction, then equilibrium constant will

1.depend on the concentration

2.increase

3.unchanged

4.decrease

Posted Date:-2021-03-08 07:18:36

Question: 
What will be the pH of a buffer solution having an equal concentration of B– and HB (Kb = 10-10 for B–)

1.7

2.4

3.10

4.6

Posted Date:-2021-03-08 07:18:36

Question: 
Which of the following aqueous solution will be the best conductor of electricity?

1. NH3

2.CH3COOH

3.HCl

4.C6H12O6

Posted Date:-2021-03-08 07:18:36

Posted on by R4R Team

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