List of practice Questions

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
First diffraction minima due to a single slit of width \(10^{-4}\) cm is at \(\theta = 30^\circ\). Then wavelength of the light used is
When the inputs of a two input logic gate are 0 and 0, the output is 1. When the inputs are 1 and 0 the output is 0. The logic gate is of the type
A stationary police car sounds a siren with a frequency of 990 Hz. If the speed of sound is 330 m/s, an observer, driving towards the car with a speed of 33 m/s, will hear a frequency of
For \( f \)-orbital the values of \( m \) are
Two equal charges \(q\) are kept fixed at \(-a\) and \(+a\) along the \(x\)-axis. A particle of mass \(m\) and charge \(\dfrac{q}{2}\) is brought to the origin and given a small displacement along the \(x\)-axis, then
Two equal point charges, \(Q = +\sqrt{2}\ \mu\)C are placed at each of the two opposite corners of a square and equal point charges \(q\) at each of the other two corners. The value of \(q\), so that the resultant force on \(Q\) is zero is
The linear momentum is increased by 50%, the kinetic energy will increase by
Two capacitors, one 4 pF and the other 6 pF, connected in parallel, are charged by a 100 V battery. The energy stored in the capacitors is
A voltmeter of resistance 998 \(\Omega\) is connected across a cell of emf 2 V and internal resistance 2\(\Omega\). The potential difference across the voltmeter is