List of practice Questions

How much part of any corner atom actually belongs to a particular unit cell?
In 3d-transition series, which one has the least melting point?
Rate constant \( K \) of a reaction has least value at
Which of the following is correct mixture of azeotrope?
Which of the following pairs of ions are iso-electronic and iso-structural?
Find the correct order of \( \text{C} - \text{O} \) bond length among \( \text{CO}, \text{CO}_3^{2-}, \text{CO}_2 \).
In the equilibrium, \( AB \rightleftharpoons A + B \), if the equilibrium concentration of A is double, then the equilibrium concentration of B will be:
Sodium metal crystallizes in a body-centred cubic lattice with a unit cell edge of 4.29 Å. The radius of sodium atom is:
The reaction: \[ \text{ArN}^{+} \text{Cl}^{-} \xrightarrow{\text{Cu/HCl}} \text{ArCl} + N_2 + \text{CuCl} \] is called as:
The total number of nodes is given by:
Which of the following amino acids \( \text{NH}_2 \text{CH} \text{RCOOH} \) contains a polar R group?
Which of the following is used as a drug to reduce fever?
An aqueous solution of \( X \) on addition of hydrogen peroxide in ice-cold conditions gives blue colour to the ethereal layer. Then, \( X \) can be:
Determine the specific rate constant of the reaction. If the half-life period of a first-order reaction is 1402 s, then the rate constant is:
Under which of the following conditions, the gases does not follow Henry's law?
Which one of the following sets of monosaccharides forms sucrose?
An optical fibre communication system works on a wavelength of \( 1.3 \, \mu m \). The number of subscribers it can feed, if a channel requires 20 kHz, are:
Carbon monoxide is poisonous to human beings because:
In Young’s double slit experiment with sodium vapour lamp of wavelength 589 nm and slit 0.589 mm apart, the half angular width of the central maxima is
When the expansion of a gas occurs in vacuum and at constant volume, then:
A bar magnet is oscillating in the earth’s magnetic field with a period \( T \). What happens to its period and motion, if its mass is quadrupled?
For motion under central forces, which quantity will be conserved?
If impedance is \( \sqrt{3} \) times resistance, then find phase difference.
The relative errors in the measurement of two lengths \(1.02 \, \text{cm} \pm 0.01 \, \text{cm}\) and \(9.89 \, \text{cm} \pm 0.01 \, \text{cm}\) is
The relative permeability of iron is 6000. Its magnetic susceptibility is