List of top Questions asked in MHT CET- 2020

A certain zero order reaction has rate constant 0.025 M s\(^{-1}\). What will be the concentration of reactant A after 15 seconds if initial concentration is 0.50 M?
The overlap of orbitals involved in the formation of C–Br bond in vinyl bromide is
Identify the major product ‘B’ in the following reaction.
Propene \(\xrightarrow{\text{HCl}}\) A \(\xrightarrow[\Delta]{\text{Aq. KOH}}\) B
Which of the following metals is refined by using a tungsten filament for heating in a vessel so that the pure metal deposits on the filament?
Silver crystallises in face centred cubic structure. If radius of silver atom is 144.5 pm, what is the edge length of unit cell?
Identify IUPAC name of the following compound.
CH\(_2\)=CH–CH=CH–CH\(_2\)–Cl
Which of the following acids does not undergo HVZ reaction?
Which of the following reactions of alcohols involves breaking of O–H bond?
What will be the minimum pressure required to compress 500 dm\(^3\) of air at 1 bar to 200 dm\(^3\) at 30\(^\circ\)C?
Which of the following polymers is obtained when glycolic acid combines with lactic acid?
Which among the following hydrides has low bond dissociation energy of M–H bond (M = central atom)?
What is the source of an alkane if its molar mass is 100 and the percentage by mass of hydrogen is 16?
Which of the following metal carbonate decomposes on heating to evolve CO\(_2\) gas?
Identify the side chain –R present in amino acid lysine.
Which of the following properties is NOT of actinoids?
Reaction given below follows first order kinetics.
2N\(_2\)O\(_5\) \(\rightarrow\) 4NO\(_2\) + O\(_2\)
Calculate rate constant of reaction if concentration of N\(_2\)O\(_5\) is 0.05 M and rate of reaction is \(1.5 \times 10^{-6}\) mol L\(^{-1}\) s\(^{-1}\).
Which of the following functional groups is reduced by diborane?
How many atoms of argon are present in 3.99 g of it? (atomic mass = 39.9)
Which of the following molecule has zero bond order?
Identify the number of carbon atoms and number of oxygen atoms respectively present in furan molecule.
Acetoxime on catalytic reduction gives
A metal sphere is hanging from the ceiling of a vehicle. If the vehicle is moving along a horizontal road with uniform acceleration \(a\), then the suspended thread of the sphere gets inclined to the vertical at an angle \(\theta\). The value of acceleration \(a\) is (\(g\) = acceleration due to gravity)
Light of wavelength \(\lambda\) strikes a photoelectric surface and electrons are ejected with energy \(E\). If the wavelength is changed to \(\lambda'\), the energy becomes twice the original value. Which one of the following relations is true for \(\lambda\) and \(\lambda'\)?
Capacitors of capacitances \(C_1, C_2\) and \(C_3\) are connected in series. If the combination is connected to a supply of \(V\) volt, the potential difference across capacitor \(C_1\) is
A sonometer wire of length \(l_1\) is in resonance with a frequency 250 Hz. If the length of wire is increased to \(l_2\), then 2 beats per second are heard. The ratio of lengths \( \dfrac{l_1}{l_2} \) of wire will be