List of top Chemistry Questions on Acids, Bases And Salts

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?

Match the amino acid given in List-I with their one-letter code given in List-II 
\[ \begin{array}{|l|l|} \hline \textbf{Name of amino acid} & \textbf{One-letter code} \\ \hline (A) \; \text{Lysine} & (I) \; W \\ \hline (B) \; \text{Tryptophan} & (II) \; Q \\ \hline (C) \; \text{Tyrosine} & (III) \; K \\ \hline (D) \; \text{Glutamine} & (IV) \; Y \\ \hline \end{array} \]

What is the major product formed when diazonium salt undergoes Gatterman reaction?
What is the IUPAC name of picric acid?
Arrange the following in increasing order of their pH values:
(A) p-Nitrophenol,
(B) m-Cresol,
(C) m-Nitrophenol,
(D) Phenol.
Which of the following gives a positive Tollens test?
(A) Phenylethanal
(B) Acetophenone
(C) Formic acid
(D) Benzene carbaldehyde
Choose the correct answer from the options given below:
The correct statement/statements from the options given below is/are:
(A) Diazonium salts of aromatic amines are less stable than diazonium salts of aliphatic amines.
(B) Ethylamine is insoluble in water.
(C) Gabriel phthalimide synthesis can be used to prepare primary amines.
(D) Because of +R-effect of–NH2 group, aniline will undergo Friedel-Crafts acylation reaction.
Choose the correct answer from the options given below:
Aspirin is also known as:
The correct order of increasing pKa values of the compounds:
(A) CH$_3$COOH
(B) CH$_2$OCH$_2$COOH
(C) Cl$_3$COOH
(D) (CH$_3$)$_3$CCOOH
Choose the correct answer from the options given below:
What is Aspirin chemically?
Which among the following compounds is not an artificial sweetener?
Number of Co3+ ions per 100 oxide ions in salt Co0.94 O1.00 will be.