List of top Questions asked in MHT CET

A system does 394 J of work on surrounding by absorbing 701 J heat. What is the change in internal energy of the system?
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
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?
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)
Identify the reagent used in following conversion:
Pent-3-enenitrile $\xrightarrow{\text{A}}$ pent-3-enal
How many particles per unit cell are present in BCC structure?
Identify ferromagnetic element from following.
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$^{-1}$)
Identify product C in following conversion:
m-Hydroxy Benzaldehyde $\xrightarrow{\text{[Protection of -OH group]} \, \text{C}_6\text{H}_5\text{CH}_2\text{Cl}} \text{A} \xrightarrow{\text{[O]}} \text{B} \xrightarrow{\text{[deprotection of -OH group]}} \text{C}$
Which of the following is NOT dihydric alcohol?
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?
Ethoxy benzene on reaction with hot and concentrated HI forms
Identify the sugar containing $\alpha, \beta$-1,2-glycosidic linkage.
Identify most stable free radical from following :
What is the formal charge on 'N' atom in $\text{NH}_4^+$ ion?
Which among the following salt solution in water shows pH less than 7 ?
Two point charges $+3 \; \mu\text{C}$ and $+8 \; \mu\text{C}$ repel each other with a force of $40 \text{ N}$. If a charge of $-5 \; \mu\text{C}$ is added to each of them, then the force between them will become
The initial pressure and volume of a gas is 'P' and 'V' respectively. First by isothermal process gas is expanded to volume '9V' and then by adiabatic process its volume is compressed to 'V' then its final pressure is (Ratio of specific heat at constant pressure to constant volume = $\frac{3}{2}$)
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
In a CE transistor, a change of $8.0 \text{ mA}$ in the emitter current produces a change of $7.8 \text{ mA}$ in the collector current. What change in the base current is necessary to produce the same change in the collector current?
A circuit has self-inductance 'L' H and carries a current 'I' A. To prevent sparking when the circuit is switched off, a capacitor which can withstand 'V' volt is used. The least capacitance of the capacitor connected across the switch must be equal to