List of top Questions asked in MHT CET- 2021

Which of the following is NOT obtained when a mixture of bromomethane and bromoethane is treated with sodium in dry ether?
Time required for 90% completion of a first order reaction is $t$. What is the time required for completion of 99% reaction?
Identify the number of unpaired electrons present and geometry respectively of $[\text{Co}(\text{NH}_3)_6]^{3+}$ complex.
Which among the following halides has trigonal bipyramidal structure?
A gas has a volume of 3.4 L at 298 K. What is the final temperature if the volume of gas increases to 6.8 L?
Air is an example of a solution of
Which among following compounds is used as monomer in preparation of Teflon?
Identify catalyst used in manufacturing of HDP.
What is the atomic radius of polonium if it crystallises in a simple cubic structure with edge length of unit cell 336 pm?
The conductivity of 0.3 M solution of KCl at 298 K is 0.0627 S cm$^{-1}$. What is it's molar conductivity?
The solubility of $\text{Ag}_2\text{C}_2\text{O}_4$ is $2 \times 10^{-4}$ mol L$^{-1}$ at 298 K. What is it's solubility product?
How many electrons flow through the wire if a current of 1.5 ampere flow through it for 3 hours?
Which statement from following is correct for homolytic fission?
Two electrons occupying the same orbital are distinguished by
An element with BCC structure has edge length of 500 pm. If it's density is 4 g cm$^{-3}$, find atomic mass of the element?
A system gives out x J of heat and does y J of work on it's surrounding. What is the internal energy change?
What is the product formed when side chain chlorination of toluene is carried out followed by acid hydrolysis at 373 K ?
Which of following reactions yields biphenyl from chlorobenzene?
A system does 394 J of work on surrounding by absorbing 701 J heat. What is the change in internal energy of the system?
Identify the reagent (A) used in the following reaction.

Choose the correct answer from the options given below
How many particles per unit cell are present in BCC structure?
Identify ferromagnetic element from following.
What is the mass of 33.6 dm$^3$ of methane gas at S.T.P.?
Which of the following complexes is diamagnetic and square planar?
Identify the reagent used in following conversion:
Pent-3-enenitrile $\xrightarrow{\text{A}}$ pent-3-enal