List of top Chemistry Questions on Acids, Bases And Salts

Which of the following groups increases the acidic strength of carboxylic acid?
100 mL of 2 M HCl is diluted to 500 mL. The molarity of the diluted solution is:
A solution is prepared by dissolving 5.85 g of NaCl (Molar mass = 58.5 g mol$^{-1}$) in water to make 500 mL of solution. The molarity of the solution is:
The value of pH for a \(10^{-8}\,M\) HCl solution at \(25^\circ C\) is closest to:
Among the following, the compound having the lowest value of \(pK_a\) is:
Identify the correct order of acidic strength:
Which of the following is the strongest base?
5--8% solution of acetic acid in water is called:
Tooth enamel is made up of _____.
Which of the following is the strongest base?
Which of the following is the strongest base?
Which of the following is the strongest base?
Given below are a few elements: Li, K, Cs, F.
Identify the element which:
(a) has the least atomic radius.
(b) has two valence electrons.
(c) is the most electropositive.
5.6 litres of gas Z weighs 32 g at STP. What is the molecular weight and vapour density of Z?
Equal volumes of ammonia gas and chlorine gas are kept in two different containers under the same conditions of temperature and pressure. Find the number of molecules contained in chlorine gas when the mass of ammonia is 34 g. (Atomic weight: Cl = 35.5, H = 1, N = 14)
Assertion (A): Dilute Sulphuric acid is a stronger electrolyte than concentrated Sulphuric acid.
Reason (R): Dilute Sulphuric acid has a higher concentration of mobile ions than concentrated Sulphuric acid.
What is an indicator? Write the names of two indicators.
Why should curd and sour substances not be kept in brass and bronze vessels?
Which gases are produced at the cathode and anode during the electrolysis of acidulated water?
Give an example of an antacid.
What is the common name of the compound \(\text{CaOCl}_2\)?
Write two important uses each of washing soda and baking soda.
Which gas is usually evolved when an acid reacts with a metal? How will you test the presence of this gas?
Which one is the strongest electrolyte among the following?
If 200 mL aqueous solution of 10 g NaOH is prepared, find the molarity of the resulting solution.