NEET 2022 Question Paper with Solutions

If a soap bubble expands the pressure inside the bubble Decreases Increases Remains the same Is equal to the atmospheric pressure

The dimensions \([MLT^{-2}A^{-2}]\) belong to the Magnetic flux Self inductance Magnetic permeability Electric permittivity

Plane angle and solid angle have Units but no dimensions Dimensions but no units No units and no dimensions Both units and dimensions

The area of a rectangular field (in \(m^2\)) of length 55.3 m and breadth 25 m after rounding off the value for correct significant digits is \(138 \times 10^1\) 1382 1382.5 \(14 \times 10^2\)

The angular speed of a fly wheel moving with uniform angular acceleration changes from 1200 rpm to 3120 rpm in 16 seconds. The angular acceleration in rad/\(s^2\) is \(2\pi\) \(4\pi\) \(12\pi\) \(104\pi\)

What mass of 95% pure \(CaCO_3\) will be required to neutralise 50 mL of 0.5 M HCl solution according to the following reaction? \(CaCO_3(s) + 2HCl(aq) \rightarrow CaCl_2(aq) + CO_2(g) + 2H_2O(l)\) [Calculate upto second place of decimal point] 1.25 g 1.32 g 3.65 g 9.50 g

Identify the incorrect statement from the following. All the five 5d orbitals are different in size when compared to the respective 4d orbitals. All the five 4d orbitals have shapes similar to the respective 3d orbitals. In an atom all the five 3d orbitals are equal in energy in free state. The shapes of \(d_{xy} d_{yz}\) and \(d_{zx}\) orbitals are similar to each other; and \(d_{x^2-y^2}\) and \(d_{z^2}\) are similar to each other.

In one molal solution that contains 0.5 mole of a solute there is 500 mL of solvent 500 g of solvent 100 mL of solvent 1000 g of solvent

Gadolinium has a low value of third ionisation enthalpy because of small size high exchange enthalpy high electronegativity high basic character

Amongst the following which one will have maximum 'lone pair - lone pair' electron repulsions? \(ClF_3\) \(IF_5\) \(SF_4\) \(XeF_2\)

Two hollow conducting spheres of radii \(R_1\) and \(R_2\) (\(R_1 \gg R_2\)) have equal charges. The potential would be More on bigger sphere More on smaller sphere Equal on both the spheres Dependent on the material property of the sphere

A capacitor of capacitance C = 900 pF is charged fully by 100 V battery B as shown in figure (a). Then it is disconnected from the battery and connected to another uncharged capacitor of capacitance C = 900 pF as shown in figure (b). The electrostatic energy stored by the system (b) is \(4.5 \times 10^{-6}\ \text{J}\) \(3.25 \times 10^{-6}\ \text{J}\) \(2.25 \times 10^{-6}\ \text{J}\) \(1.5 \times 10^{-6}\ \text{J}\)

The graph which shows the variation of the de Broglie wavelength (\(\lambda\)) of a particle and its associated momentum (p) is

A light ray falls on a glass surface of refractive index \(\sqrt{3}\) at an angle \(60^\circ\). The angle between the refracted and reflected rays would be \(30^\circ\) \(60^\circ\) \(90^\circ\) \(120^\circ\)

Let \(T_1\) and \(T_2\) be the energy of an electron in the first and second excited states of hydrogen atoms respectively. According to the Bohr's model of an atom the ratio \(T_1 : T_2\) is 1:4 4:1 4:9 9:4

Match List-I with List-II. List - I (Products formed) List - II (Reaction of carbonyl compound with) (a) Cyanohydrin (i) \(NH_2OH\) (b) Acetal (ii) \(RNH_2\) (c) Schiff's base (iii) Alcohol (d) Oxime (iv) HCN Choose the correct answer from the options given below

Which of the following sequence of reactions is suitable to synthesize chlorobenzene? Benzene \(Cl_2\) anhydrous \(FeCl_3\) Phenol \(NaNO_2\) HCl CuCl

Given below are two statements Statement I: Primary aliphatic amines react with \(HNO_2\) to give unstable diazonium salts. Statement II: Primary aromatic amines react with \(HNO_2\) to form diazonium salts which are stable even above 300 K. In the light of the above statements choose the most appropriate answer from the options given below

Choose the correct statement: Diamond and graphite have two dimensional network. Diamond is covalent and graphite is ionic. Diamond is \(sp^3\) hybridized and graphite is \(sp^2\) hybridized Both diamond and graphite are used as dry lubricants.

Given below are two statements: Statement I: In Lucas test primary secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. HCl + \(ZnCl_2\) known as Lucas Reagent. Statement II: Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas Reagent. In the light of the above statements choose the most appropriate answer from the options given below