Which of following is not a base______________?
A. KOH
B. NH3
C. PH3
D. BF3
Submitted by :- Jamil Ahmed
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
| Now you can submit here the latest Chemistry MCQs. SUBMIT HERE |
|---|
In which of the following equilibria will Kc and Kp have the same value ?
A. PCI5 = PCI3 + Cl2
B. N2 + 3H2 = 2NH
C. 2CO + O2 = CO2
D. N2 + O2 = 2NO
Submitted by :- Jamil Ahmed
Sodium benzoate and benzoic acid are mixed in equimolar ration to form buffer if pKa is 2 what will be the pH ?
A. 0
B. 1
C. 2
D. any one
Submitted by :- Jamil Ahmed
Kc value has_______________?
A. No units
B. Units
C. Both A & B
D. None
Submitted by :- Jamil Ahmed
Conjugated base of a weak acid is_________________?
A. weak
B. strong
C. moderately weak
D. unstable
Submitted by :- Jamil Ahmed
Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?
A. buffer solution
B. normal solution
C. standard solution
D. neutral solution
Submitted by :- Jamil Ahmed
Which one of the following is a buffer solution ?
A. brine
B. blood
C. glue
D. solution of CuSO4
Submitted by :- Jamil Ahmed
Equilibrium state is achieved quickly by the addition of ________________?
A. reactants
B. acid
C. base
D. catalyst
Submitted by :- Jamil Ahmed
By decreasing the pressure the reaction will go to that direction where_________________?
A. volume is decreased
B. volume increased
C. heat absorbed
D. no. of moles of specie decreased
Submitted by :- Jamil Ahmed
Solubility of any salt can be determined from_______________?
A. Ka
B. Kb
C. Kc
D. Ksp
Submitted by :- Jamil Ahmed