MOCK TEST-1 Questions

Given below are two statements: Statement I: When aluminium reacts with NaOH, [Al(OH)₆]³⁻ is formed. Statement II: Shape of H₂O, XeO₄ and ClO₄⁻ are bent, pyramidal and tetrahedral respectively. In the light of the above statements, choose the most ap

Given below are two statements: Assertion A: Atomic orbitals must have comparable energies for effective overlap. Reason R: Orbitals with very different energies cannot overlap effectively. In the light of the above statements, choose the correct ans

Match List-I with List-II. List-I

CH₃–CH₂–C≡N is treated sequentially with reagents. The IUPAC name of the major product is:

For a reaction A → B; ΔH = 20 kJ mol⁻¹. The activation energy of the forward reaction is 85 kJ/mol. The activation energy of the backward reaction will be:

Match List-I with List-II. List-I (Orbital)

The approximate time duration in hours to electroplate 30 g of calcium from molten calcium chloride using a current of 5 A is [At. mass of Ca = 40]:

The alkene which gives 4, 4-dimethyl pentan-2-one on reductive ozonolysis is:

The enthalpy change for the transition of liquid water to steam is ΔHvap = 37.3 kJ mol⁻¹ at 373 K. The entropy change for the process is:

CH₃–CH=CH₂ + NOCl → P. Identify the adduct:

Given below are two statements: Statement I: The bond order of O₂⁻ is lower than that of O₂. Statement II: Addition of an electron to O₂ occurs in an antibonding orbital. In the light of the above statements, choose the most appropriate answer from t

The specific conductivity of 0.1 N KCl solution is 0.0129 Ω⁻¹ cm⁻¹. The resistance of the solution in the cell is 100 Ω. The cell constant of the cell will be:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Enantiomers have identical physical properties except for the direction of rotation of plane-polarized light. Reason R: Enantiomers are

If rate constant for a reaction is 10⁻³ sec⁻¹. Then time for the completion of 75% reaction is:

Given below are two statements: Statement I: Fractional oxidation numbers are commonly observed in mixed oxides such as Fe₃O₄. Statement II: Fe₃O₄ contains both Fe²⁺ and Fe³⁺ ions. In the light of the above statements, choose the most appropriate ans

Correct order of energy for tetrahedral complex will be as:

N₂(g) + 3H₂(g) ⇌ 2NH₃(g). In the reaction given above, the addition of a small amount of inert gas at constant pressure will shift the equilibrium towards which side?

3.011 × 10²² atoms of an element weighs 1.15 g. The atomic mass of the element is:

C₆H₅Cl → A → B → C → D → E (series given). E is:

What transition in the hydrogen spectrum would have the same wavelength as the Balmer transition n = 4 to n = 2 in the He⁺ spectrum?

Which of the following is most soluble in water?

How many products formed in the following reactions (with Br₂/NaOH, i.e., Hofmann bromamide reaction) can also be prepared by Gabriel phthalimide synthesis? Given compounds: 1. PhCONH₂ 2. PhCH₂CONH₂ 3. CH₃CONH₂ 4. CH₃CONHCH₃ 5. CH₃CH₂CONHCH₃ 6. C₆H₁₁

The total number of stereoisomers is: CH₃–CO–CHCl–CH=CH–CH₃

Correct order of dipole moment is:

The IUPAC name of the following compound is:

At certain temperature a 5.12% solution of cane sugar is isotonic with a 0.9% solution of an unknown solute. The molar mass of the solute is:

A monkey of mass 40 kg is climbing a vertical massless rope. Match the type of motion described in List I with the tension developed in the rope in List II. (Take g = 10 m/s²)

One side of a square loop, (length and mass of each side is l and m respectively) is replaced by a semicircular loop of same mass m and radius l/2 as shown in figure. The shift in the position centre of mass (from the centre of the square) will be:

In a resonance tube experiment, first resonating length is 15 cm and second resonating length is 47 cm, then wavelength of the wave is:

Work done by 2 moles of an ideal gas in process (A → B → C) shown below is, (where V is volume and T is temperature)

For a particle, velocity (v) vs position (x) graph is given. The acceleration of the particle at x = 3 m will be:

For a discharging cell, the graph between the potential difference (V) across the terminal of the cells and the current (I) drawn from the cell is shown in figure. Based upon the above information, the internal resistance of the cell is:

Electromagnetic waves are produced by:

In the hydrogen atom spectrum, which of the following spectral series includes lines that fall within the visible range of the electromagnetic spectrum?

The mass defect in a nuclear reaction is 0.03 u. The energy released in MeV is approximately:

For three different materials, the forbidden energy gaps are Eg₁ = 0 eV, Eg₂ = 1.1 eV, and Eg₃ = 5.4 eV. These materials are respectively:

In an AC circuit, the voltage is given by V(t) = 100sin(100t) volts and current by I(t) = 100sin(100t + π/3) A. The power consumed in the circuit is:

An equiconvex lens of focal length f is made of glass with a refractive index μg = 1.5. It is cut into two thin identical plano-convex lenses by a plane perpendicular to the principal axis. The two halves are then rearranged as shown in figure and th

The Brewster angle for air to glass interface is ip. If the refractive index of glass is √3, then ip is:

The magnetic flux (ϕ) linked with a coil varies with time (t) according to the equation: ϕ = t²(2t + 3) milli-webers. Find the magnitude of the induced EMF at t = 1 second.

In a Young's Double Slit Experiment, the setup is initially illuminated by yellow light. Subsequently, the source is replaced by violet light, keeping all other parameters (D and d) constant. Given below are two statements: Statement I: The fringe wi

In a closed organ pipe, the first overtone frequency is 220 Hz. The length of the pipe is (Speed of sound = 330 m/s):

A circular coil of radius 10 cm has 500 turns and carries a current of 2 A. The magnetic field at the centre of the coil is:

A particle executes Simple Harmonic Motion (SHM) with an amplitude of 30 cm. At what distance from the mean position is the potential energy equal to 8 times the kinetic energy?

The rms speed of oxygen molecules at a certain temperature is v. If the temperature is doubled and the oxygen gas dissociates into atomic oxygen, the new rms speed will be:

The efficiency of a Carnot engine is 50% when the sink temperature is 300 K. What should be the source temperature?

The ratio of the de Broglie wavelength of a proton and an alpha particle accelerated through the same potential difference V is:

An ideal gas goes through a process PV = α, where α is a constant. If the volume increases from V to 2V, the work done by the gas is:

If the temperature of a black body is increased by 50%, the power of radiation emitted by it increases by:

The equivalent capacitance between points X and Y in figure is: