List of top Chemistry Questions

Which of the following reactions of alcohols involves breaking of O–H bond?
What will be the minimum pressure required to compress 500 dm\(^3\) of air at 1 bar to 200 dm\(^3\) at 30\(^\circ\)C?
Which of the following polymers is obtained when glycolic acid combines with lactic acid?
Which of the following properties is NOT of actinoids?
Which of the following metal carbonate decomposes on heating to evolve CO\(_2\) gas?
What is the source of an alkane if its molar mass is 100 and the percentage by mass of hydrogen is 16?
Identify the side chain –R present in amino acid lysine.
Which of the following functional groups is reduced by diborane?
Identify the number of carbon atoms and number of oxygen atoms respectively present in furan molecule.
Which among the following elements belongs to second inner transition series?
The oxidation state of phosphorus in pyrophosphorus acid is
Which of the following noble gas molecules is more polarised by water?
Which of the following compounds is used to prepare orlon?
The common name of 1-bromo -3, 3-dimethyl butane is
Which of the following compounds is NOT a carbonyl compound?
Identify ‘A’ and ‘B’ in following reaction respectively: \[ \text{Acetanilide} \xrightarrow{\text{Br}_2, \text{acetic acid}} A \xrightarrow{H^+ \text{ or OH}^-} B \]
Identify reducing agent in the following reaction: \[ \text{CH}_4(g) + \text{O}_2(g) \rightarrow \text{CO}_2(g) + 2\text{H}_2\text{O}(l) \]
Which among the following alkyl halides is optically active?
What is the temperature needed for decomposition of lime stone in blast furnace for extraction of iron?
Which among the following compounds is used as catalyst in Raschig method for preparation of phenol?
The time required to decompose SO\(_2\)Cl\(_2\) to half of its initial amount is 60 minutes. Calculate rate constant for this first order reaction?
Identify the major product 'B' in the following reaction: \[ \text{But-2-ene} \xrightarrow{\text{HBr, Peroxide}} \text{A} \xrightarrow{\text{AgCN, } \Delta} \text{B} \]
The edge length of bcc type of unit cell of metal is 5 Å. What is the radius of metal atom if its density is 2 g/cc?
Mg\(_3\)N\(_2\) reacts with water to produce
Which of the following compounds is NOT isomeric with ethoxy ethane?