List of top Chemistry Questions asked in MHT CET

An element crystallizes in bcc type of unit cell, the density and edge length of unit cell is 4 g cm\(^{-3}\) and 500 pm respectively. What is the atomic mass of an element?
Which polymer is obtained from monomers 3-Hydroxy butanoic acid and 3-Hydroxy pentanoic acid?
Identify product ‘A’ in the following reaction.
\[ \text{R - C} \equiv \text{N} \xrightarrow{\text{DIBAL-H}} \xrightarrow{\text{H}_3\text{O}^+} A \]
In aqueous phase the order of basic strength of alkylamine is
0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If Kf of water is 1.86 K kg mol⁻¹, the lowering in freezing point of solution is
Identify the formula of potassium trioxalato aluminate (III).
Identify the compound A and B in the following reaction.
\[ \text{CH}_3\text{Cl} + \text{KCN (alc)} \xrightarrow{\Delta} A + 2\text{H}_2\text{O} + \text{HCl} \rightarrow B + \text{NH}_4\text{Cl} \]
Which of the following phenols is isolated from defensive secretion of grasshopper species?
In an isothermal and reversible process, \(1.6 \times 10^{-2}\) kg O\(_2\) expands from 10 dm\(^3\) to 100 dm\(^3\) at 300 K, work done in the process is (R = 8.314 J/mol·K)
Identify the mineral of aluminium from following.
The half life of a first order reaction is 6.0 hours. How long will it take for the concentration of reactant to decrease from 0.4 M to 0.12 M?
Which among the following is used as a fumigant pesticide for strawberries?
Sulphapyridine is a/an
Electrophoresis is used .......
Which following pair of elements does NOT represent chemical twins?
What is the molecular formula of glyceraldehyde?
Nickel crystallises in a fcc type of unit cell, with edge length 0.3524 nm. Calculate the radius of the nickel atom.
Which from the following compounds does NOT contain phantom atom?
Mole fraction of solute in its 2 molal aqueous solution is
Which among the following complexes is a homoleptic and cationic in nature?
The H-N-H bond angle in NH\(_3\) molecule is
In which of the following molecules, 2\(\pi\) bonds are present?
Which of the following compounds has the highest boiling point?
Which among the following lanthanoids has the smallest atomic size?
For the first order reaction A → B, the rate constant is 0.25 s\(^{-1}\), if the concentration of A is reduced to half, the value of the rate constant will be