List of top Questions asked in MHT CET

What is half life of a first order reaction if time required to decrease concentration of reactant from 0.4 M to 0.1 M is $x$ hour?

Which of the following is NOT a characteristic of chemisorption?

Identify a side chain (R) group present in Leucine, an amino acid.

Identify 'A' in the following reaction.
A + Acetyl chloride $\xrightarrow[AlCl_3]{anhydrous}$ 2-Chloroacetophenone + 4-Chloroacetophenone}

Which from following elements belongs to inner transition elements?

Calculate the frequency in Hz of orange colour light having wavelength 600 nm. [C = $3 \times 10^8$ ms$^{-1}$]

Calculate the solubility of gas in solvent at 25$^{\circ}$C and 0.8 atm if Henry's law constant for solvent is $6.8 \times 10^{-4}$ moldm$^{-3}$ atm$^{-1}$.

Identify the correct order of acidity of hydrides of 16$^{th}$ group elements from the following.

Which from following statements is NOT correct regarding tannins?

Calculate the edge length of unit cell if metal having atomic radius 170 pm forms simple cubic unit cell.

Which of the following forces is involved in dinitrogen?

Which among the following is dicarboxylic acid?

Which of the following statements is NOT correct regarding order of reaction?

Identify cross linked polymer from following.

The sum to infinite terms of the series $\tan^{-1} \left(\frac{1}{3}\right) + \tan^{-1} \left(\frac{2}{9}\right) + ..................... + \tan^{-1} \left(\frac{2^{n-1}}{1+2^{2n-1}}\right) + ..............$ is

A population $p(t)$ of 1000 bacteria introduced into a nutrient medium grows according to the relation $\text{p}(t) = 1000 + \frac{1000t}{100+t^2}$. The maximum size of this bacterial population is

Evaluate the following integrals: \[ \int \frac{(x^4 + 1)}{x(2x + 1)^2} \, dx \] and \[ \int \frac{1}{x^4 + 5x^2 + 6} \, dx \]

Identify the amine having highest $\text{p}\text{K}_{\text{b}}$ value.

The half life values for two different first order reaction A and B are 75 minute and 2.5 hour respectively. What is the $\frac{\text{r}_B}{\text{r}_A}$ ratio of rate constants?

Find the number of water molecules in $1 \text{ mL}$ of water vapours at STP?

Which from following compounds can be obtained by azo coupling reaction.

When 0.01 mole of nonvolatile solute is dissolved in certain solvent calculate the mass of solvent in kg if $\Delta \text{T}_{\text{b}} = 0.6 \text{ K}$ and $\text{K}_{\text{b}}$ for solvent $= 2 \text{ K kg mol}^{-1}$

Which from following polymers contains $-\text{CO}-\text{NH}-$ linkage?

Identify product ' $B$ ' in the following sequence of reaction.
$\text{Aniline} \xrightarrow[273 \text{ K}]{\text{NaNO}_2 + \text{HCl}} \text{A} \xrightarrow{\Delta}{\text{H}_2\text{O}} \text{B} + \text{N}_2 \uparrow$