List of top Chemistry Questions asked in MHT CET

Which of the following is applicable to thin film?

For the reaction \(2\text{A}⟶3\text{C}+\text{D}\), the rate of reaction is represented by

The \(E_{\text{cell}}^0\) of \(\text{Al}_{(s)}|\text{Al}^{3+}(1\text{M})||\text{Pb}^{2+}(1\text{M})|\text{Pb}_{(s)}\) cell is 1.5 V if \(E_{\text{Pb}}^0\) is \(-0.14\) V then \(E_{\text{Al}}^0\) will be

Calculate the concentration of silver nitrate solution if molar conductivity and conductivity of silver nitrate at \(25^{\circ}\)C are respectively 120 ohm\(^{-1}\) cm\(^2\) mol\(^{-1}\) and 0.0024 ohm\(^{-1}\) cm\(^{-1}\).

Which of the following colligative properties is useful to determine the molar masses of proteins, polymers or colloids, with the greatest precision?

Identify the covalent crystal from the following.

Calculate the number of atoms present in 1.625 g metal if it forms bcc unit cell structure.
\([ρ\times a^3 = 3.25\times 10^{-22} \text{g}]\)

What are the reactants involved in Friedal Crafts alkylation?

Identify the false statement regarding magnetic properties of substance.
(A) Paramagnetic substances are weakly attracted.
(B) Diamagnetic substances are weakly attracted.
(C) Ferromagnetic substances strongly attracted.
(D) Diamagnetic substance strongly attracted

If a 0.4 molal solution of a nonvolatile solute in organic solvent decreases its freezing point by 2.4 K., then the molal depression constant of solvent will be

For the following redox reaction, find the correct statement.
\(\text{Sn}^{2+}+2\text{Fe}^{3+}\rightarrow \text{Sn}^{4+}+2\text{Fe}^{2+}\)

Match List I with List II

List I	List II
(A). Inductive effect	(I). Delocalization of \(π\) electrons
(B). Hyper-conjugation	(II). Displacement of \(π\) electrons
(C). Resonance effect	(III). Delocalization of \(σ\) electrons
	(IV). Displacement of \(σ\) electrons

Choose the correct answer from the options given below:

What is the correct IUPAC name for a molecule that has two amino groups in opposing (para) locations around a benzene ring?

What is IUPAC name of the compound \(\text{CH}_3\text{CH=CHCH=CHCOOH}\) ?

Identify from following the conjugate base of \([\text{Zn}(\text{H}_2\text{O})_4]^{2+}\)

Which of the following is the most abundant element in universe?

For a reaction to be spontaneous at all temperatures, the values of enthalpy change and entropy change should be

Calculate pOH of 0.001M HCl solution.

Find \(\Delta n\) when 1 mol of each \(\text{NH}_{3(g)}\) and \(\text{HCl}_{(g)}\), reacts to form solid \(\text{NH}_4\text{Cl}\).

What is the solubility product of binary sparingly soluble salt BA if 100 mL saturated solution of salt consist \(10^{-4}\) moles at room temperature?

For a certain reaction, \(\Delta H^0\) is \(-345\) kJ and \(\Delta S^0\) is \(-123 \text{JK}^{-1}\). At what temperature the change over from spontaneous to nonspontaneous will occur?

Identify the group of periodic table that contains element Astatine.

If the velocity of the electron in Bohr's first orbit is \(2.19\times 10^6 \text{Ms}^{-1}\), Calculate the de Broglie wavelength associated with it.
\([h = 6.626\times 10^{-34} \text{J s}\) & Mass of electrons \(= 9.10938\times 10^{-31}\) kg \(]\)

Calculate the new pressure of the gas enclosed in a cylinder when it compressed from 5 L to 2 L at 1 atm and 300 K. The final temperature in this process is 500 K.

What is number of hydrogen molecules needed to synthesize 3.4 g of ammonia by reaction with nitrogen?