List of top Chemistry Questions asked in MHT CET

What is the ratio of mass of nitrogen that combines with 16 parts by weight of oxygen in $\text{N}_2\text{O}, \text{NO}, \text{NO}_2$ ?

Calculate the molar mass of an element having density $19.2 \text{ g cm}^{-3}$ if it forms fcc structure $\left[ \text{a}^3 \times \text{N}_{\text{A}} = 40 \text{ cm}^3 \text{ mol}^{-1} \right]$}

Which among the following is the strongest acid?

Which from following groups exhibits +I effect?

Which from following statements is NOT true about physisorption?

Which from following is a semisynthetic polymer?

Which of the following equation exhibits integrated rate law equation for first order reaction?

What is the name of isopropyl alcohol according to carbinol system?

Identify the product 'C' formed in the following series of reactions. Reaction: Bromoethane $\xrightarrow{\text{Mg / dry ether}}$ A $\xrightarrow{\text{H}_2\text{O / dry ether}}$ B $\xrightarrow{\text{Br}_2 / \text{UV}}$ C

What is the frequency of red light having wave length $750 \text{ nm}$ ?

Calculate the Henry's law constant at $25^\circ\text{C}$ if solubility of gas in liquid is $2.1 \times 10^{-2} \text{ moldm}^{-3}$ at $0.18 \text{ bar}$.

The entropy of vaporisation of benzene is $85 \text{ J K}^{-1} \text{ mol}^{-1}$. When 117 g of benzene vaporises at its boiling point, what is entropy change of surrounding if process is at equilibrium?

Which from the following equations represents the relation between solubility ( $\text{mol L}^{-1}$ ) and solubility product for the salt $\text{B}_2\text{A}$ ?

What is the number of chiral carbon atoms and number of formyl groups respectively present in ribose?

Which element from following does NOT exhibit magnetic moment in +1 state?

If the radius of the first Bohr orbit is $r$, then the de Broglie wavelength of the electron in the $4^{\text{th}}$ orbit will be

The potential energy of a molecule on the surface of a liquid compared to the molecules inside the liquid is

The de-Broglie wavelength ($\lambda$) of a particle is related to its kinetic energy ($E$) as

By adding soluble impurity in a liquid, angle of contact

Identify the product $B$ in the following reaction.
Toluene $\xrightarrow{\text{Chromyl chloride / CS}_2} A \xrightarrow{H_3O^+} B$

Identify the reaction in which carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed by heating with sodium hydroxide in ethylene glycol.

Calculate the half-life of a first order reaction if the rate constant of the reaction is $2.772 \times 10^{-3}\,\text{s}^{-1}$.

Which among the following is NOT colligative property?

What total number of crystal systems associated with 14 Bravais lattices?

Which from following polymers is used to obtain plastic dinner ware?