List of practice Questions

The osmotic pressure of 0.2 molar solution of urea at 300 K is (\(R = 0.082 \, \text{L atm mol}^{-1} \text{K}^{-1}\))

Reduction of glucose with NaBH\(_4\) gives

Decarboxylation of sodium propionate leads to the formation of

Formic acid reacts with \(PCl_5\) to form

Which of the following conditions regarding the chemical process ensures its spontaneity at all temperatures?

The equilibrium constant for a reaction is 10. \(\Delta G^\circ\) will be (\(R = 8 \, \text{J K}^{-1} \text{mol}^{-1}, T = 300 \, \text{K}\))

Fog is a colloidal solution of

The oxidation number of N and Cl in \( NOClO_4 \) respectively are

Which of the following statements is correct regarding the slag obtained during the extraction of iron?

Which one of the following complexes is an outer orbital complex?

Which of the following is the most sweetest sugar?

What is the kinetic energy of 1 g of \( O_2 \) at 47°C?

Vinegar is dilute aqueous solution of

If ionic radius of \( Cs^+ \) and \( Cl^- \) are 1.69 Å and 1.81 Å respectively, the edge length of unit cell is

What mass of calcium chloride in grams would be enough to produce 14.35 g of AgCl ? (Atomic mass Ca = 40, Ag = 108)

In hydrogen spectrum, the series of lines appearing in ultra violet region of electromagnetic spectrum are called

The set representing the correct order of first ionisation potential is

The mass of oxygen that would be required to produce enough CO which completely reduces 1.6 kg \( Fe_2O_3 \) (at. mass \( Fe = 56 \)), is

Which of the following is most acidic?}

Purification of NaCl by passage of hydrogen chloride through brine is based on

Wurtz reaction involves the reduction of alkyl halide with

Dry distillation of calcium benzoate gives

Which one of the following reacts with Grignard reagent to form an addition product which can be hydrolysed to a carboxylic acid?

A sinusoidal voltage of peak value 300 V and an angular frequency \(\omega = 400\) rad/s is applied to a series \(L\)-\(C\)-\(R\) circuit in which \(R = 3\ \Omega\), \(L = 20\) mH and \(C = 625\ \mu\)F. The peak current in the circuit is

The photoelectric cut-off voltage in an experiment was found to be 1.5 V. The work function for the material used in the experiment was 4.2 eV. The maximum kinetic energy of the photoelectrons emitted was