List of top Chemistry Questions asked in MHT CET

In colloidal dispersion of starch, the maximum possible size of starch particle is
Identify 'A' in the following reaction
C\(_2\)H\(_5\)OH + HCl \(\xrightarrow{A}\) C\(_2\)H\(_5\)Cl + H\(_2\)O
Identify product ‘C’ in the following reaction:
\[ \text{Propylene dibromide} \xrightarrow[\text{Alcohol}]{\text{Zn},\,\Delta} A \xrightarrow{\text{HBr}} B \xrightarrow[\text{ether}]{\text{Na}} C \]
What will be the volume of oxygen gas produced, If the reaction
2 KClO\(_3\)(s) \(\rightarrow\) 2 KCl(s) + 3 O\(_2\)(g) \(\Delta H^\circ = -78 \, \text{kJ}\)
is carried out at S.T.P.?
Which of the following reactions proves the chlorinating property of phosphorus pentachloride?
Which among the following is a dihydric phenol?
Equilibrium constant for a reaction is 20. What is the value of \( \Delta G \) at 300 K? (\( R = 8 \times 10^{-3} \, \text{kJ mol}^{-1} \text{K}^{-1} \))
A mixture of starch, sodium hydrogen carbonate, and potassium hydrogen tartrate is known as
Vapour pressure of solvent 'A' is 0.90 atm, when a non-volatile solute is added, vapour pressure drops to 0.60 atm. What is mole fraction of A in solution?
Which of the following benzylic alcohol is tertiary alcohol?
What is the site of action of antihistamine?
Which of the following solution will have highest freezing point depression?
What is the unit of rate constant for the zero-order reaction?
An amalgum of mercury with sodium is an example of
Which among the following reactions occurs at the zone of slag formation in extraction of iron by blast furnace?
How many optical isomers are possible for a compound having 3 asymmetric carbon atoms?
A metallic element crystallizes in simple cubic lattice. If edge length of the unit cell is 34Å, with density 8 g/cm\(^3\), what is the number of unit cells in 100 g of the metal? (Molar mass of metal = 108 g/mol)
Strength of 20 volume solution of hydrogen peroxide is
Which among the following is a correct formula of Barium tetrachlorocuprate(II)?
What is the oxidation state of sulphur in oil of vitriol?
Identify the increasing order of effective magnetic moment of following elements in their +2 oxidation state.
(Fe $(Z=26)$, Co $(Z=27)$, Ni $(Z=28)$, Cu $(Z=29)$)
Identify the product B in the following conversion.
\[ \text{Chlorobenzene} + \mathrm{H_2O} \xrightarrow[\text{Pressure}]{\mathrm{Cu},\,673\,K} A \xrightarrow[\;373\,K\;]{\text{conc. } \mathrm{H_2SO_4}} B \]
What is the mass percentage of carbon in urea? (Molar mass of urea = \(60\,\text{g mol}^{-1}\))
Which among the following statements about terpenes is NOT true?
Which of the following equations has $\Delta_f H^\circ$ and $\Delta H^\circ$ same ?