List of practice Questions

The H-N-H bond angle in NH\(_3\) molecule is
In which of the following molecules, 2\(\pi\) bonds are present?
Concentrated H\(_2\)SO\(_4\) reacts with PCl\(_5\) to produce
For the first order reaction A → B, the rate constant is 0.25 s\(^{-1}\), if the concentration of A is reduced to half, the value of the rate constant will be
Which of the following compounds has the highest boiling point?
The product obtained when 2-methylpropan-2-ol is treated with alumina at 423 K is
Which among the following lanthanoids has the smallest atomic size?
Which among the following is a use of 2, 4-dichlorophenoxy acetic acid?
Identify product B in the following reaction.
Conductivity cell is filled with 0.01 M KCl gives a resistance of 484\(\Omega\) and conductivity of 0.004141 \(\Omega\)\(^{-1}\) cm\(^{-1}\) at 25°C. What is the cell constant?
Which statement about aspirin is NOT true?
What is the oxidation state of As in H\(_3\)AsO\(_4\)?
Which among the following monomers is used to prepare Teflon?
How much charge in coulombs is required for the reduction of one mole of Al\(^{3+}\) to Al?
Which of the following is used as a promoter in Bosch’s process?
Which of the following has the highest boiling point?
For the combustion of 1 mole of liquid benzene at 298K, the heat of reaction at constant pressure is -3268 kJ mol\(^{-1}\), what is the heat of combustion at constant volume?
Which free radical is most stable among the following?
What is the formula of calamine?
Which among the following reagents is used to obtain gluconic acid from glucose?
How many optical isomers are possible for a compound having 3 asymmetric carbon atoms?
Chlorine is manufactured by
Hydroxide of which alkali metal is used in the manufacture of soft soap?
A gas has a volume of 3.4 L at 25°C. What is the final temperature if the volume increases to 10 L at constant pressure?
A string of length $l$ fixed at one end carries a mass $m$ at the other end. The string makes $\frac{3{2}$ revolutions / second around the vertical axis through the fixed end as shown in figure. The tension $T$ in the string is}