List of top Questions asked in MHT CET- 2026

Which of the following statements is NOT true about solubility?
An aqueous solution has an osmotic pressure of \(4.92\) atm at \(300\) K.
Calculate the molarity of the solution.
(\(R = 0.082\) L atm mol\(^{-1}\) K\(^{-1}\))
A solution is prepared by dissolving \(68\) g sucrose in \(1\) kg water. Calculate the vapour pressure of solution at \(298\) K. [vapour pressure of water at \(298\) K = \(18\) mm of Hg & mole fraction of solvent = \(0.9964\)]
Which of the following is correct decreasing order of acidic strength for the compounds listed below?
I: p-chlorophenol, II: p-Cresol, III: p-nitrophenol, IV: p-methoxyphenol.
Among the following, the most stable carbocation is
An ionic compound is formed by elements X and Y. Element Y forms a face-centered cubic (FCC) lattice, and element X occupies one-third of the tetrahedral voids. What is the formula of the compound?
What is the product of decarboxylation of anhydrous sodium benzoate?
A metal crystallizes to form simple cubic unit cell. Calculate the void volume of unit cell. [\(a = 3.36\times 10^{-8}\) cm]
What is oxidation state of oxygen in \(\text{OF}_2\) and in \(\text{KO}_2\) respectively?
What is the nature of \(\text{Al}_2\text{O}_3\)?
What is the concentration of hydrogen ion in the solution when the concentration of hydroxyl ion is \(0.08\) mol / dm\(^3\) at \(298\) K ?
Which of the following ions are responsible for hardness of water?
Identify the elements of alkali metals and alkaline earth metals respectively having highest 1st ionization enthalpy.
Find the pH of a solution formed by mixing equal volume of solution of \(0.1\) M sodium propionate and \(0.1\) molar propionic acid.
(Given The dissociation constant of propionic acid is \(1.3\times 10^{-5}\))
A gas occupies a volume of \(0.35\) dm\(^3\) at \(290\) K and \(2\) atm. Pressure. Calculate the volume of gas at STP.
A gas expands from a volume of \(1\) dm\(^3\) to \(1.25\) dm\(^3\) under a pressure of \(1\) bar. Find the change in internal energy if \(150\) J of heat is supplied to the system.
The enthalpy of combustion of cyclohexane, cyclohexene and \(\text{H}_2\) are respectively \(-3920,-3800\) and \(-241\) KJ mol\(^{-1}\). The enthalpy of hydrogenation of cyclohexene is
In which of the following processes the internal energy of system remain constant?
Match List I with List II
List I
(Buffers)		List II
(Applications)
(A) \(\text{HCO}_3^{-1}+\text{H}_2\text{CO}_3\)(I) Maintain the pH of blood forms \(7.36\) to \(7.42\)
(B) Phosphates(II) In Medicine
(C) Sodium Citrate(III) In Qualitative analysis of basic radicals
(D) \(\text{NH}_4\text{Cl}+\text{NH}_4\text{OH}\)(IV) In fertilizers

Choose the correct answer from the options given below:
If the energy of an electron in the first Bohr orbit of the H-atom is \(-2.18\times 10^{-18}\) J then the energy of the electron in the second orbit will be
\(1\) g of \(\text{H}_2\) contains the same number of molecules as in
In the compound \(^1\text{CH}_2 = ^2\text{CH}-^3\text{CH}_2-^4\text{CH}_2-^5\text{C}\equiv ^6\text{CH}\), The \(C_2-C_3\) bond is of type
In transistor amplifier, base emitter junction is forward biased and collector base junction is reversed biased. The current gain is
The ratio of centripetal acceleration for an electron revolving in 3rd and 5th Bohr orbit of hydrogen atom is
An electron is revolving in a circular orbit of radius 'r' in hydrogen atom. Using Bohr's theory, the angular momentum of the electron is
(M = magnetic dipole moment, m = mass of electron)