List of top Chemistry Questions asked in MHT CET

38.4 g of an unknown substance (molar mass \(= 384\ \text{g mol}^{-1}\)) and 116 g of acetone are used to prepare a solution at 313 K. If vapour pressure of pure acetone (molar mass \(= 58\ \text{g mol}^{-1}\)) is 0.842 atm, what is the vapour pressure of the solution?
Which among the following oxides of nitrogen is a brown coloured gas?
The units nanometer and picometer are related as,
Which of the following factors affect molarity of solution?
In a first order reaction, 87.5% of reactant is converted into product in 15 minutes. The rate constant for the reaction is given by
Which among the following gases is used in treatment of cancer?
Which of the following is a Gattermann reaction?
A certain sample of gas has a volume of \(0.2\ \text{L}\) at one atmosphere pressure and \(273.15\ \text{K}\). What is the volume of gas at \(273.15^\circ\text{C}\) at the same pressure?
\(3.42 \times 10^{-2}\ \text{kg}\) sugar (molar mass = 342) is dissolved in water to produce \(234.2\ \text{g}\) of sugar syrup. What is the molality of sugar syrup?
Which among the following is a product of hydrolysis of one mole raffinose?
Which of the following compounds does NOT react with sodium metal?
Which among the following is NOT a polar molecular solid?
Which among the following formulae represents the \(\omega\)-amino caproic acid?
For a reaction \(\Delta H = -30\ \text{kJ}\) and \(\Delta S = -45\ \text{J K}^{-1}\), at what temperature does the reaction change from spontaneous to non-spontaneous?
Which among the following alkali metal chlorides crystallises in the form of a hydrate?
Which among the following is a linear polymer?
Average bond enthalpy of water is \(464.5\ \text{kJ mol}^{-1}\). If the energy required to break the first O–H bond is \(502\ \text{kJ mol}^{-1}\), how much energy per mole is required to break the second O–H bond?
Which of the following polymers is prepared by using phenol?
Compound A on reaction with chlorine in presence of UV light gives B, which when reacted with \(\text{NaNO}_2\) in the solvent N,N-dimethylformamide gives 2-nitrobutane. The compound A is
Which of the following compounds is obtained by dry distillation of calcium propionate?
Which of the following types of valences, according to Werner’s theory, is also called primary valence?
Which among the following processes occurs at 1500 K in a blast furnace for extraction of iron?
Which of the following processes for refining of metals involves the principle of selective adsorption of the components from a mixture?
During the electrolysis of aqueous sodium chloride, the product obtained at the anode is
Which among the following is a correct formula of pentaammine aqua cobalt(III) iodide?