List of top Chemistry Questions asked in MHT CET

Which of the following is an essential amino acid?
Which of the following correctly represents the change in Gibbs free energy (ΔG) for a spontaneous process?
The density of a face-centered cubic (FCC) crystal is:
What is the structural feature of glucose that makes it a reducing sugar?
What is the coordination number in a Hexagonal Close-Packed (hcp) structure?
For a reaction A + B $\rightarrow$ products $\Delta\text{H}$ is $-$84.2 kJ and $\Delta\text{S}$ is $-$200 J K$^{-1}$. Calculate the highest value of temperature so that the reaction will proceed in forward direction.

Identify the product 'B' in the following reaction:

\(CH_3MgBr \xrightarrow{\text{Dry ice, Dry ether}} A \xrightarrow{\text{dil. HCl}, H_2O} B\)

From a metallic surface photoelectric emission is observed for frequencies $v_{1}$ and $v_{2}$ ($v_{1}>v_{2}$) of the incident light. The maximum values of the kinetic energy of the photoelectrons emitted in the two cases are in the ratio $1:x$. Hence the threshold frequency of the metallic surface is
For an electron moving in the $n^{th}$ Bohr orbit the de-Broglie wavelength of an electron is
Identify the reagent A in the following conversion.
Alkyl halide $\rightarrow$ Alkyl nitrite
What type of information is collected using scanning electron microscopy?
Identify the element having general electronic configuration $ns^{2}np^{4}$ from following.
Identify the product A obtained in the following reaction.
Phenol + Conc. Nitric acid $\xrightarrow{\text{Conc. } H_2SO_4}$ A
What type of reaction is the formation of aldol from aldehyde?
What is the mass in gram of 1 atom of an element if its atomic mass is 10 u?
Solubility of a salt $A_{2}B_{3}$ is $1\times10^{-3}\text{ mol dm}^{-3}$. What is the value of its solubility product?
Identify the chiral molecule from following.
Which of the following concentration terms depends on temperature?
Identify homopolymer from following.
What is the number of moles of water molecules required to prepare n moles of methane from n moles of methyl magnesium iodide?
Calculate the value of $\Delta G$ for following reaction at 300 K.
$H_{2}O_{(s)}\longrightarrow H_{2}O_{(l)}$
$(\Delta H=7\text{ kJ}, \Delta S=24.8\text{ J K}^{-1})$
What is the oxidation state of carbon in $CaC_{2}$ and $K_{2}C_{2}O_{4}$ respectively?
The rate for reaction A + B $\rightarrow$ product, is $1.8\times10^{-2}\text{ mol dm}^{-3}\text{s}^{-1}$. Calculate the rate constant if the reaction is second order in A and first order in B. $([A]=0.2\text{ M}; [B]=0.1\text{ M})$
Which of the following metals is used as catalyst in manufacture of sulphuric acid by contact process?
An ideal gas expands by performing 200 J of work, during this internal energy increases by 432 J. What is enthalpy change?