List of top Questions asked in MHT CET- 2025

For a certain reaction $\Delta H = -225$ kJ and $\Delta S = -150$ J K$^{-1}$. Find the temperature so that $\Delta G$ is zero.

In an ionic solid anions are arranged in hcp array and cations occupy $\frac{2}{3}$ of octahedral voids. What is the formula of ionic compound? [consider A = cation; B = anion]}

Which of the following on reaction with Grignard's reagent followed by hydrolysis forms tertiary alcohol?

Which of the following molecules does not obey octet rule?

Which among the following is haloarene?

For the reaction, $2N_2O_5(g) \rightarrow 4NO_2(g) + O_2(g)$ $N_2O_5$ disappears at a rate of $x$ moldm$^{-3}$ s$^{-1}$ Find the rate of formation of $O_2$ ?

What is the order of reactivity of alkyl halides with ammonia?

What is the number of hydrogen atoms present in 5.4 g of urea?

Which from following is an example of an intensive property of the system?

Which of the following dopant is added in silicon to obtain n-type semiconductor?

Which from following carbohydrates produces glucose, galactose and fructose on hydrolysis?

Which of the following halogens does always show oxidation state -1 ?

Which actinoid from following in its +3 state has largest size?

Find the concentration of sodium acetate when added to 0.1 M solution of acetic acid to form a buffer solution of pH = 5.5 ? (pK$_a$ of CH$_3$COOH = 4.5)

Calculate the work done in the oxidation of one mole $HCl_{(g)}$ at 27$^\circ$C, according to reaction.
$4HCl_{(g)} + O_{2(g)} \rightarrow 2Cl_{2(g)} + 2H_2O_{(g)}$
(R = 8.314 J K$^{-1}$ mol$^{-1}$)

Identify the reagent used for Rosenmund reduction.

What is percent dissociation of $NH_4OH$ if molar conductance at zero concentration for $NH_4Cl, NaCl$ and $NaOH$ are 130, 109 and 213 S cm$^2$ mol$^{-1}$ respectively and molar conductivity of 0.01 M $NH_4OH$ is 9.0 S cm$^2$ mol$^{-1}$ ?

Which of the following reagents is used in the preparation of nitroalkane from haloalkane?

Identify catalyst used in following reaction.
$CO_{(g)} + H_2O_{(g)} \xrightarrow{623\text{ K}} CO_{2(g)} + H_{2(g)}$

Which from following complexes does NOT obey EAN rule?

Identify conjugate acid and conjugate base for $HCO_3^-$ ion respectively

What type of solution is the $H_2$ in palladium?

What type of alcohol is the crotonyl alcohol?

Which of the following is obtained as major product when excess of methane is treated with limited chlorine in presence of UV light?

What is the name of monomer used in the formation of a polymer