List of top Chemistry Questions asked in MHT CET

What is the energy of a photon of frequency \( \nu \)?

What is the SI unit of molar conductivity?

Identify the product when Phenol reacts with Bromine water.

Which reagent is used in the Reimer--Tiemann reaction to convert phenol to salicylaldehyde?

What is the oxidation state of Phosphorus in \( H_3PO_4 \)?

A metal has BCC structure. Atomic radius \(=173\,\text{pm}\) and molar mass \(M=56\,\text{g mol}^{-1}\). The density of the metal is:

What is the difference in the oxidation number of Manganese (Mn) between \( \text{KMnO}_4 \) and \( \text{MnO}_2 \)?

Find the osmotic pressure of a \(0.1\,M\) glucose solution at \(27^\circ C\) \((R = 0.0821\,L\,atm\,mol^{-1}K^{-1})\).

Find the energy of a photon with a wavelength of \(4000\,\text{\AA}\). (Take \( h = 6.63 \times 10^{-34}\,\text{Js} \), \( c = 3 \times 10^8\,\text{m/s} \)).

Name the catalyst used in the manufacture of ammonia by Haber’s process.

Calculate the number of atoms per unit cell in a Face-Centered Cubic (FCC) crystal structure.

What is the ratio of the surface area of two soap bubbles if their radii are in the ratio \(2:3\)?

Calculate the de Broglie wavelength of an electron accelerated through a potential difference of \(100\,\text{V}\).

Calculate the osmotic pressure of a \(0.1\ \text{M}\) solution at \(27^\circ C\).

Identify the type of crystal defect found in \(NaCl\) crystals.

Identify the product formed when Ethyl alcohol is heated with concentrated \( H_2SO_4 \) at \(443\,K\).

What is the oxidation number of Manganese (Mn) in the compound \( KMnO_4 \)?

Identify the product formed when phenol reacts with bromine water.

Identify the product formed when \( CH_3{-}CH_2{-}Br \) reacts with alcoholic \(KOH\).

What is the IUPAC name for the compound \( \text{CH}_3 - \text{CH(OH)} - \text{CH}_2 - \text{CHO} \)?

Which compound undergoes Cannizzaro reaction?

What product is formed when a ketone reacts with hydrazine (\( \text{NH}_2\text{NH}_2 \))?

Define the coordination number and oxidation state of the central metal ion in \([Co(NH_3)_6]Cl_3\).

Predict the major product formed when an alkene reacts with a hydrogen halide (e.g., HCl or HBr).

Identify the strongest acid among: acetic acid, chloroacetic acid, dichloroacetic acid, and trichloroacetic acid.