Physical Chemistry
Some Basic Concepts of Chemistry
MCQ (Single Correct Answer)Chemical Equilibrium
MCQ (Single Correct Answer)Radioactivity and Nuclear Chemistry
MCQ (Single Correct Answer)Solid State
MCQ (Single Correct Answer)Surface Chemistry
MCQ (Single Correct Answer)Inorganic Chemistry
Periodic Table
MCQ (Single Correct Answer)Hydrogen and It's Compounds
MCQ (Single Correct Answer)d and f Block Elements
MCQ (Single Correct Answer)Organic Chemistry
IUPAC Nomenclatures
MCQ (Single Correct Answer)General Organic Chemistry
MCQ (Single Correct Answer)Polymers
MCQ (Single Correct Answer)Biomolecules
MCQ (Single Correct Answer)Practical Chemistry
MCQ (Single Correct Answer)Chemistry In Everyday Life
MCQ (Single Correct Answer)1
WB JEE 2021
MCQ (More than One Correct Answer)
+2
-0
Aqueous solution of HNO3, KOH, CH3COOH and CH3COONa of identical concentration are provided. The pair(s) of solutions which form a buffer upon mixing is (are)
2
WB JEE 2016
MCQ (More than One Correct Answer)
+2
-0
In which of the following mixed aqueous solutions, pH = pKa at equilibrium?
1. 100 mL of 0.1 M CH3COOH + 100 mL of 0.1 MCH3COONa
(2) 100 mL of 0.1 MCH3COOH + 50 mL of 0.1 M NaOH
(3) 100 mL of 0.1 M CH3COOH + 100 mL of 0.1 M NaOH
(4) 100 mL of 0.1 MCH3COOH + 100 mL of 0.1 MNH3
1. 100 mL of 0.1 M CH3COOH + 100 mL of 0.1 MCH3COONa
(2) 100 mL of 0.1 MCH3COOH + 50 mL of 0.1 M NaOH
(3) 100 mL of 0.1 M CH3COOH + 100 mL of 0.1 M NaOH
(4) 100 mL of 0.1 MCH3COOH + 100 mL of 0.1 MNH3
Questions Asked from MCQ (Multiple Correct Answer)
WB JEE Subjects
Physics
Mechanics
Electricity
Chemistry
Physical Chemistry
Inorganic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry