List of top Questions asked in MHT CET

The half life of a first order reaction is \(600\) second. How long will it take for \(20\%\) of the reactant to react?

A first-order reaction takes \(20\) minutes to reach \(15\%\) completion. Calculate the rate constant of the reaction.

Calculate the solubility of gas in water at \(152\) mm of Hg and at \(300\) K, if Henry's law constant for same gas at same temperature is \(0.16\text{mol L}^{-1}\text{atm}^{-1}\).

If a solution containing \(10\) g per \(\text{dm}^{3}\) of urea (molecular mass \(=60\text{g mol}^{-1}\)) is isotonic with \(5\%\) solution of a nonvolatile solute, find the molar mass of a nonvolatile solute.

Which of the following statements is TRUE regarding osmotic pressure?

Calculate the standard potential of the cell that has the following reaction.
\(\text{Zn}_{(s)}+2\text{H}_{(1M)}^{+}\rightarrow \text{H}_{2(g,1\text{atm})}+\text{Zn}_{(1M)}^{2+}\) if \(E^{0}(\text{Zn}^{2+}/\text{Zn})=-0.763\) V.

The molar conductivity of HCl, \(\text{CH}_{3}\text{COONa}\) and NaCl are \(426.16\text{S cm}^{2}/\text{mol}\), \(91.0\text{S cm}^{2}/\text{mol}\) and \(126.4\text{S cm}^{2}/\text{mol}\). What would be the \(\Lambda _{0}\) for \(\text{CH}_{3}\text{COOH}\)?

Calculate the volume occupied by particles of a fcc unit cell if the radius of the atom present in it is \(100\) pm.

Identify the product 'A' in the following reaction.

What type of compound the benzaldehyde is?

Which of the following statements is correct regarding homologous series?

What happens in Schottky defect?

What is the pOH of \(0.002\) M strong monoprotic acid?

Which of the following elements does not form its hydroxide and Dihydrogen with water?

Which of the following is correct expression for solubility product of calcium phosphate?

Which of the following molecules has highest \(pK_{a}\) value?

Which of the following has the highest pH?

What is the oxidation number of P in \(\text{NaH}_{2}\text{PO}_{4}\)?

Which of the following processes is exothermic?

The volume of a given mass of a gas at \(27^{\circ }\text{C}\) is \(2.1\text{dm}^{3}\). Calculate the new volume of a gas at constant pressure when the temperature is \(7^{\circ }\text{C}\).

In a particular reaction, \(4\) kJ of heat is released by the system and \(8\) kJ of work is done on the system. Determine the value of \(\Delta U\).

Which of the following statements regarding the geometry and lone pair of electrons in the \(\text{NH}_{3}\) and \(\text{PCl}_{3}\) molecules is correct?

Calculate the free energy change for a certain reaction at \(300\) K if \(\Delta H\) is \(60\) kJ and \(\Delta S\) is \(-120\text{JK}^{-1}\).

\(\beta\), \(R_{L}\) and \(r\) are the a.c. current gain, load resistance and the input resistance of a transistor respectively in common emitter configuration, the voltage gain and the power gain are respectively

Identify a pair of isomorphous substances from following.