List of top Chemistry Questions asked in MHT CET

Which from following statements is NOT correct regarding tannins?
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$^{-1}$.
Calculate the frequency in Hz of orange colour light having wavelength 600 nm. [C = $3 \times 10^8$ ms$^{-1}$]
Identify the correct order of acidity of hydrides of 16$^{th}$ group elements from the following.
Which of the following statements is NOT correct regarding order of reaction?
Which of the following forces is involved in dinitrogen?
Which among the following is dicarboxylic acid?
Calculate the edge length of unit cell if metal having atomic radius 170 pm forms simple cubic unit cell.
Identify cross linked polymer from following.
If pH of solution changes from 4 to 5, then the $\text{H}_3\text{O}^+$ion concentration of solution}
Which of the following reactions exhibits decrease in entropy?
Which transition series includes elements Co and Mo respectively?
What is the wavenumber of the photon emitted during transition from the orbit $\text{n} = 5$ to that of $\text{n} = 2$ in hydrogen atom? $[ \text{R}_\text{H} = 109677\text{ cm}^{-1} ]$}
Rate law for the reaction,
$\text{C}_2\text{H}_5\text{I}_{(g)} \longrightarrow \text{C}_2\text{H}_{4(g)} + \text{HI}_{(g)}$ is $\text{r} = \text{k} [\text{C}_2\text{H}_5\text{I}]$
What is the order and molecularity of this reaction?
Find the mass of potassium chlorate required to liberate $5.6 \text{ dm}^3$ of oxygen gas at STP? (molar mass of $\text{KClO}_3 = 122.5\text{ g/mol}$ )}
Identify the element from following such that the last electron is placed in $(\text{n} - 1)\text{d}$ orbital.
Identify pair of complexes that exhibits solvate isomerism?
Identify the product ' B ' in the following series of reactions.
Chlorobenzene $\xrightarrow{\text{i) NaOH, 623 K / 150 atm}{\text{ii) H}_3\text{O}^+} \text{A} \xrightarrow{\text{Br}_2\text{ water}} \text{B}$}
Which of the following statements is NOT correct regarding voids in lattice structure?
For the cell,
$\ominus\text{Zn}_{(s)} | \text{Zn}^{+2}(1\text{M}) || \text{Ag}^{+1}(1\text{M}) | \text{Ag}_{(s)}^\oplus$
If concentration of $\text{Zn}^{+2}$ decreases to $0.1\text{ M}$ at $298\text{ K}$, then emf of cell}
Calculate the concentration of an aqueous solution of non electrolyte at $300\text{ K}$ if its osmotic pressure is $12\text{ atm}$.
$[ \text{R} = 0.0821\text{ atm dm}^3\text{ K}^{-1}\text{ mol}^{-1} ]$
Half life of a first order reaction is $900\text{ minute}$ at $400\text{ K}$, find its half life at $300\text{ K}$ ?
$\left( \frac{\text{E}_\text{a}}{2.303\text{R}} = 1.3056 \times 10^3 \right)$
Which from following compounds is least soluble in water at STP?
Which solvent from following is used in order to avoid creation of waste and pollution of air?
Which of the following statements is correct about $\text{O}_2$ and $\text{O}_3$ molecule?