List of top Chemistry Questions asked in MHT CET

Molar conductivity of $0.04\ \mathrm{M}$ $\mathrm{BaCl}_2$ solution is $230\ \Omega^{-1}\ \mathrm{cm}^2\ \mathrm{mol}^{-1}$ at $27^{\circ}\mathrm{C}$. What is its conductivity?

Which among the following is a pair of dicarboxylic acids?

The expansion of gas having no opposing force is called as

What is the resistance of 0.01 M KCl solution if its conductivity is $200\ \mathrm{ohm}^{-1}\ \mathrm{cm}^{-1}$ and cell constant is $1\ \mathrm{cm}^{-1}$?

Identify 'A' in following reaction.
$$\mathrm{A} \xrightarrow{\text{Dimethyl cadmium}} \text{propanone} + \text{cadmium chloride}$$

Enthalpy of formation of methane is $-75\ \mathrm{kJ/mol}$. What is the enthalpy change for formation of 24 g of methane?

Which among the following is true for chemisorption?

What is IUPAC name of following compound?

Choose the correct answer from the options given below.

The solubility product of a sparingly soluble salt $\mathrm{AX}_2$ is $3.2 \times 10^{-8}$. What is its solubility in $\mathrm{mol\ dm}^{-3}$?

Which among following compounds has highest boiling point?

Identify the order of reaction if its rate constant is $x\ \mathrm{sec}^{-1}$.

Which element from following exhibits various different oxidation states from +2 to +7?

The dissociation constant of weak monobasic acid is $2.7 \times 10^{-5}$. If degree of dissociation of acid is $3 \times 10^{-2}$, what is the concentration of acid?

Which among following statements is NOT true for neoprene?

Which element from following belongs to oxygen family?

What are the final products obtained by ozonolysis of propene?

The common name of Benzene-1,2-diol is

The vapour pressure of a solvent decreases by 2.5 mm Hg by adding a solute. What is the mole fraction of solute? (Vapour pressure of pure solvent is 250 mm Hg)

For a reaction $\mathrm{A} \rightarrow \text{product}$, rate constant is $2 \times 10^{-2}\ \mathrm{s}^{-1}$. The initial concentration of A is $1.0\ \mathrm{mol\ dm}^{-3}$. What is the value of $\log_{10}\!\left(\frac{1}{[\mathrm{A}]_t}\right)$ after 100 seconds?

What is the number of octahedral and tetrahedral voids presents respectively in 0.25 mole of a substance having hcp structure?

When tert-butyl bromide is heated with silver fluoride, the major product obtained is

Photons of energy $10\text{ eV}$ are incident on a photosensitive surface of threshold frequency $2 \times 10^{15}\text{ Hz}$. The kinetic energy in eV of the photoelectrons emitted is [Planck's constant $h = 6.63 \times 10^{-34}\text{ Js}$]

The light of wavelength '$\lambda$' is incident on the surface of metal of work function $\phi$ and emits the electron. The maximum velocity of electron emitted is [$m = \text{mass of electron and } h = \text{Planck's constant, } c = \text{velocity of light}$]

A needle is $7\text{ cm}$ long. Assuming that the needle is not wetted by water, what is the weight of the needle, so that it should float on water surface? [Surface tension of water = $70\text{ dyn/cm}$, $g = 980\text{ cm/s}^2$]

Identify the homoleptic complex from the following.