List of top Questions asked in MHT CET

How many electrons flow through the wire if a current of 1.5 ampere flow through it for 3 hours?
The conductivity of 0.3 M solution of KCl at 298 K is 0.0627 S cm$^{-1}$. What is it's molar conductivity?
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?
Identify the reagent (A) used in the following reaction.

Choose the correct answer from the options given below
A system gives out x J of heat and does y J of work on it's surrounding. What is the internal energy change?
A system does 394 J of work on surrounding by absorbing 701 J heat. What is the change in internal energy of the system?
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?
What is the freezing point of 1 molal aqueous solution of a non volatile solute? ($K_f = 1.86$ K kg mol$^{-1}$) ($T_f^0$ for water = 0$^\circ$C)
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
Identify ferromagnetic element from following.
How many particles per unit cell are present in BCC structure?
What is the mass of 33.6 dm$^3$ of methane gas at S.T.P.?
Ethoxy benzene on reaction with hot and concentrated HI forms
What is vapour pressure of solution containing 1.8 g glucose in 16.2 g water? ($P_1^0 = 24$ mm Hg and Molar mass of glucose = 180 g mol$^{-1}$)
Which of the following is NOT dihydric alcohol?
Identify the sugar containing $\alpha, \beta$-1,2-glycosidic linkage.
Identify product C in following conversion:
m-Hydroxy Benzaldehyde $\xrightarrow{\text{[Protection of -OH group]} \, \text{C}_6\text{H}_5\text{CH}_2\text{Cl}} \text{A} \xrightarrow{\text{[O]}} \text{B} \xrightarrow{\text{[deprotection of -OH group]}} \text{C}$
The rate law equation for a reaction between A, B and C is $r = k [A] [B] [C]^2$, what will be the rate of reaction if concentration of both A and B are doubled?
Which among the following salt solution in water shows pH less than 7 ?
Identify most stable free radical from following :
What is the formal charge on 'N' atom in $\text{NH}_4^+$ ion?
A particle is performing U.C.M. along the circumference of a circle of diameter $50 \text{ cm}$ with frequency $2 \text{ Hz}$. The acceleration of the particle in $\text{m/s}^2$ is
The frequency of a tuning fork is $220 \text{ Hz}$ and the velocity of sound in air is $330 \text{ m/s}$. When the tuning fork completes $80$ vibrations, the distance travelled by the sound wave is