List of top Questions asked in MHT CET

Identify the \(E_{red}\) value from following, if \(\text{CuSO}_{4}\) solution dipped with Cu rod is diluted to \(10\) times.

If time required for \(99\%\) completion of a first order reaction is \(t\) minutes, find the time required for \(99.9\%\) completion.

Calculate the mass of cobalt deposited when \(10\) ampere current is passed for \(109\) minutes through cobalt chloride solution. (Molar mass of \(\text{Co}=59\) g/mol)

What is the relationship between the radius of a particle (\(r\)) and edge length (\(a\)) for bcc unit cell?

Calculate the percent of dissociation of \(0.01\)m aqueous solution of \(\text{K}_{3}[\text{Fe(CN)}_{6}]\) that freezes at \(-0.062^{\circ }\)C. [\(K_{f}=1.8\) K kg \(\text{mol}^{-1}\)]

A solution is prepared by dissolving \(136.8\) g sucrose in \(1\) kg of water. Find the vapor pressure of solution at \(298\) K. [Molar mass of sucrose = \(342\) g \(\text{mol}^{-1}\), Vapour pressure of water = \(18\) mm Hg]

Which of following is the colligative property of a solution?

In a solid, oxide ions are arranged in ccp. Cation A occupies \(1/8\)th of the tetrahedral voids and cation B occupies \(1/4\)th of the octahedral voids. What is the formula of the compound?

Which of the following hydrocarbons has most acidic H atom?

What is the mass of 5 unit cells of sodium element having bcc structure
(molar mass of \(\text{Na}=23\) g/mol)?

What is IUPAC name of \(\text{CH}_{3}\text{CHO}\)?

Identify a compound used as green solvent from following.

What type of compound the benzophenone is?

Calculate the pH of buffer solution containing \(0.02\) M weak acid and \(0.04\) M its salt with a strong base.
[\(K_{a}=7.2\times 10^{-4}\)]

Identify the correct stock notation for manganese dioxide.

Calculate the \([\text{CH}_{3}\text{COO}^{-}]\) in \(0.1\)M solution of acetic acid if \(K_{a}\) for acetic acid is \(1.8\times 10^{-5}\).

Identify the structure of phenyl methanamine.

If the dissociation constant of \(\text{NH}_{4}\text{OH}\) is \(1.8\times 10^{-5}\), calculate its degree of dissociation in \(0.01\) M.

For the following reaction,
\(\text{C}(s)+2\text{H}_{2}(g)\rightarrow \text{CH}_{4}(g);\ \Delta _{r}H^{0}=-75\ \text{kJ}\).
Calculate \(\Delta G^{0}\) if \(\Delta S^{0}\) is \(185\ \text{JK}^{-1}\).

Calculate the work done in the following reaction
\(\text{NH}_{4}\text{NO}_{3(s)}\rightarrow \text{N}_{2}\text{O}_{(g)}+2\text{H}_{2}\text{O}_{(g)}\) at \(300\) K.
[\(R=8.314\ \text{J K}^{-1}\ \text{mol}^{-1}\)]

Which of the following processes uses the total heat absorbed by system to perform work on the surrounding?

Which of the following gases exhibits positive deviation from ideal behavior at all pressures?

Which of the following pair of species has bond order one?

In semiconductors, at room temperature the

Calculate the atomic mass in terms of \(u\) if the mass of an atom is \(4.9817\times 10^{-23}\) g.
[\(1\) amu = \(1.66056\times 10^{-24}\) g]