MCQGeeks
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Biochemistry
Biochemistry Interview
Quiz 1
Solution
Q.1.
What is the concentration of OH– in a solution with a H+ concentration of 1.3×10-4 M?
a) 7.7×10-10 M
b) 7.7×10-9 M
c) 7.7×10-11 M
d) 7.7×10-12 M
Q.2.
Identify the triprotic acid from the following.
a) Carbonic acid
b) Bicarbonate
c) Glycine
d) Phosphoric acid
Q.3.
Which of the following acids has the lowest pKa value?
a) Acetic acid
b) Sulphuric acid
c) Dil.HCl
d) Oxalic acid
Q.4.
Which of the following bases has the highest pKa value?
a) NaOH
b) NaNO3
c) KNO3
d) KCl
Q.5.
The degree of ionization does not depend on?
a) Temperature
b) Current
c) Nature of solvent
d) Concentration
Q.6.
The hydrolysis constant of CH3COONa is given by ____________
a) Kh = Kw/Ka
b) Kh = Kw/Kb
c) Kh = Kw/Ka×Kb
d) Kh = Ka + Kb
Q.7.
K1 and K2 for oxalic acid are 6.5×10-2and 6.1×10-5respectively. What will be the [OH–] in a 0.solution of sodium oxalate?
a) 9.6×10-6
b) 1.4×10-1
c) 1.2×10-6
d) 1.3×10-8
Q.8.
If pKb for fluoride at 25°c is 10.the ionization constant of hydrofluoric acid in water at this temperature is?
a) 3.52×10-3
b) 6.75×10-4
c) 5.38×10-2
d) 1.74×10-5
Q.9.
Aqueous solution of the detergents are _________
a) Neutral
b) Acidic
c) Basic
d) Amphoteric
Q.10.
If pH of solution of NaOH is 12.0 the pH of H2 SO4 solution of same molarity will be?
a) 2.0
b) 12.0
c) 1.7
d) 10.0387
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page