List of top Questions asked in MHT CET- 2025

Argument of the complex number z = \( \frac{13-5i}{4-9i} \), i = \( \sqrt{-1} \) is

What type of overlap is involved in the formation of C $-$ H bonds in acetylene molecules?

A first order reaction is 50% completed in 16 minutes. Find the percentage of reactant reacting in 32 minutes.

Let A \( \equiv \) (0,0), B(3, 0), C(0, -4) are vertices of \( \triangle \)ABC, then the co-ordinates of incentre of \( \triangle \)ABC is

If sin \( \theta \) = \( \frac{1}{2}\left(x + \frac{1}{x}\right) \), then sin \( 3\theta + \frac{1}{2}\left(x^3 + \frac{1}{x^3}\right) \) =}

The standard emf for cell, Cd$_{(s)}$ | Cd$^{+2}$(1M) || Cu$^{+2}$(1M) | Cu$_{(s)}$ is 0.74 V.
If concentration of Cd$^{+2}_{(aq)}$ and Cu$^{+2}_{(aq)}$ decreases by 10 times at 298 K. Calculate emf of cell.

Which from following polymers is biodegradable?

Identify secondary amine from following.

Calculate the equilibrium concentration of Pb$^{2+}$ ions in a solution of PbS containing 1 $\times$ 10$^{-11}$ moldm$^{-3}$ of sulphide ions. (Given $K_{sp}$ for PbS = 8.0 $\times$ 10$^{-28}$)}

Calculate the number of unit cells in 0.79 g metal if product of density and volume of unit cell is 1.58 $\times$ 10$^{-22}$ g.

Calculate the osmotic pressure of 0.2 M aqueous solution of electrolyte at 300 K. If van't Hoff factor is 1.6 [R = 0.0821 atm dm$^3$ K$^{-1}$ mol$^{-1}$].

Calculate work done if 1 mole of an ideal gas expands isothermally from 2 dm$^3$ to 2.8 dm$^3$ against constant external pressure 1 atm.

Identify 'A' in the following reaction.
A + Acetic anhydride \( \xrightarrow{\text{H}^+} \) Aspirin + Acetic acid}

What is the number of node in 2s orbital?

Which among the following has lowest boiling point?

Identify the product 'B' in the following sequence of reactions.
Ethanenitrile \( \xrightarrow{\text{SnCl}_2, \text{HCl}} \) A \( \xrightarrow{\text{H}_3\text{O}^+} \) B + NH\(_4\)Cl}

Identify from following the correct set of thermodynamic conditions for the reaction to be spontaneous below equilibrium temperature.

Which of the following is NOT phenol?

Identify a lowest field strength ligand from following.

Identify correct decreasing order of basic strength of amines from following.

Identify a lowest field strength ligand from following.

Which from following is a polyester fibre?

Which from following mixtures obeys Raoult's law?

Identify the lanthanoid that exhibits zero effective magnetic moment in +3 state.

A container contains equal masses of H$_{2}$, He, CO$_{2}$ and Ne at a certain temperature. Which of the following gases exerts minimum partial pressure?