List of top Questions asked in MHT CET

Two solutions have concentration ratio \(0.4\) and conductivity ratio \(0.2\). What is the ratio of their molar conductivities?
What is the number of moles of electrons that are required for the reduction of \(2\) moles of \(\text{Al}^{+3}\) to Al?
Identify anisotropic substance from following.
The osmotic pressure of a particular solution is \(8\) atm at \(298\) K. What will be the osmotic pressure under similar conditions at \(313\) K?
A solution of \(10.0\) g of a nonvolatile, nonelectrolyte solute dissolved in \(0.2\) kg of benzene boils at \(81.2^{\circ }\)C. Calculate molar mass of the compound. (ebullioscopic constant for benzene \(=2.53\) K kg mol\({}^{-1}\) and boiling point of pure benzene \(=80.1^{\circ }\)C)
What type of solution is gasoline?
Find the type of unit cell if the density is \(6.25\) g/cm\({}^{3}\), edge length \(400\) pm and the atomic mass of an element is \(120\) g/mol.
(Consider \(N_{A}=6.02\times 10^{23}\))
Which of the following species exhibits \(+I\) effect?
Which of the following statements is correct regarding aromatic ethers?
The compound is formed of two different elements A and B. Atoms of B forms hcp structure and atoms of A occupy 2/3rd of octahedral voids. Calculate the formula of compound.
Which of the following reagents is used to carry out aromatic electrophilic substitution reaction with iodine?
Which of the following salts is made by weak acid and weak base?
What is the oxidation number of S in \(\text{H}_{2}\text{SO}_{3}\) and \(\text{H}_{2}\text{S}_{2}\text{O}_{7}\) respectively?
What is the IUPAC name of o-tolualdehyde?
Which of the following compounds is used to prepare \(\text{H}_{2}\text{O}_{2}\) by Merck process using aqueous \(\text{H}_{2}\text{SO}_{4}\)?
Calculate the dissociation constant of weak monobasic acid if it dissociates to \(0.04\%\) in \(0.2\) M solution.
Calculate the amount of acetic acid in one liter of its solution if the degree of dissociation is \(1.3\%\) [\(K_{a}=1.8\times 10^{-5}\)]
Calculate the constant external pressure required to compress \(4\) moles of an ideal gas, from volume \(30\) dm\({}^{3}\) to \(20\) dm\({}^{3}\) when the work obtained is \(4053\) J.
Calculate the heat of formation of \(\text{SO}_{2}\) from the following data,
i) \(\text{S}+3/2\text{O}_{2}(g)\rightarrow \text{SO}_{3}(g)\), \(\Delta H=-5Y\) kJ
ii) \(\text{SO}_{2}+1/2\text{O}_{2}(g)\rightarrow \text{SO}_{3}(g)\), \(\Delta H=-3Y\) kJ
\(\text{CH}_{4(g)}\rightarrow \text{C}_{(g)}+4\text{H}_{(g)}\), \(\Delta H=1660\) kJ/mol.
What type of enthalpy does the reaction represent?
Which of the following gases has the highest density under normal conditions?
Identify the set of molecules which have similar dipole moment from the following.
What is the wavelength of the photon emitted during the transition from the orbit of \(n=4\) to that of \(n=2\) in hydrogen atom?
Find the number of \(sp^{2}\) hybridized carbon atoms in cycloheptatriene?
An element has two isotopes of mass numbers \(65\) and \(67\) with abundances of \(25\%\) and \(75\%\) respectively. Then the average atomic mass of the element is