List of practice Questions

Which of the following molecule doesn't involve covalent bond?
Reaction is spontaneous if Gibbs free energy is
The standard oxidation potential of Ni/Ni$^{2+}$ electrode is 0.3 V. If this is combined with a hydrogen electrode in acid solution, at what pH of the solution will the measured e.m.f. be zero at 25°C? (Assume $[Ni^{2+}] = 1M$)
What is the EMF of a galvanic cell if $ E^\circ_{\text{cathode}} = 0.80 \, \text{volts} $ and $ E^\circ_{\text{anode}} = -0.76 \, \text{volts}?$
Choose the correct order of molar ionic conductivities of the following ions.
The graph for Boyle's law is called
The role of diffusion of gases is governed by
The total value of the magnetic quantum number is
Identify the de-Broglie expression from the following
Which of the following statements is correct with respect to electrolytic solutions?
Precipitate is formed if ionic product is
The rate constant of a reaction is $ K = 3.28 \times 10^{-4} \, \text{s}^{-1} $. Find the order of the reaction.
Isotones have the same number of
Which of the following is not a characteristic of LED?
Which of the following should not be the characteristic of the solar cell material?
In Zener diode, for currents greater than the knee current, the v-i curve is almost
What did Dalton propose?
Which of the following is a stable nucleus?
Which radiations will be most effective for the emission of electrons from a metallic surface?
Which of the following regions does X-ray lie between?
If the separation between the two slits in Double Slit Fraunhofer Diffraction is changed, what change will be observed in the diffraction pattern?
Which element of the light microscope is in charge of regulating the amount of light that enters the viewing area?
A convex lens of focal length $ f = 20 \, \text{cm} $ is combined with a diverging lens of power 65 D. The power and the focal length of the combination is
According to the thin lens formula, which one of the following is true regarding the focal length of the lens?
What happens to the kinetic energy of the emitted electrons when the light is incident on a metal surface?