List of top Questions asked in MHT CET- 2021

If $\bar{a} = \hat{i} + 2\hat{j} - 3\hat{k}$, $\bar{b} = 3\hat{i} - \hat{j} + 2\hat{k}$, $\bar{c} = \hat{i} + 3\hat{j} + \hat{k}$ and $\bar{a} + \lambda\bar{b}$ is perpendicular to $\bar{c}$, then $\lambda =$
If $(\text{m}+3\text{n})(3\text{m}+\text{n})=4\text{h}^2$, then the acute angle between the lines represented by $\text{m} \text{x}^2+2\text{h}\text{xy}+\text{n}\text{y}^2=0$ is
Consider the following differential equations:
I: $y' = \frac{y+x}{x}$
II: $y' = \frac{x^2+y}{x^3}$
III: $y' = \frac{2xy}{y^2-x^2}$
Which of the statements below is true regarding these equations?
S1: Differential equations given by I and II are homogeneous differential equations.
S2: Differential equations given by II and III are homogeneous differential equations.
S3: Differential equations given by I and III are homogeneous differential equations.
What is the wavelength for a wave having frequency 50 Hz?
What is the number of moles of electrons passed when current of 5 ampere is passed through a solution of $\text{FeCl}_3$ for 20 minutes?
Which isomer of $\text{C}_6\text{H}_{14}$ has highest boiling point?
Identify the product formed when benzoyl chloride is reduced by hydrogen using palladium catalyst poisoned with barium sulphate?
What is the formal charge of oxygen atom in carbon monoxide?
Two moles of an ideal gas are expanded isothermally from $15\ \text{dm}^3$ to $20\ \text{dm}^3$. If the amount of work done is $-6\ \text{dm}^3\ \text{bar}$, find external pressure needed to obtain this work.
Which reagent oxidizes glucose to saccharic acid?
Which among the following molecules exhibits strong London forces?
Which among the following gases is adsorbed to greater extent at similar conditions of temperature and pressure if the adsorbent remains same?
What is the rate of disappearance of B in following reaction? $2 \text{A} + \text{B} \rightarrow 3 \text{C}$, if rate of appearance of C is $1.3 \times 10^{-4}\ \text{mol}\ \text{L}^{-1}\ \text{s}^{-1}$.
Which from following statements is NOT correct for heterolysis?
Identify the product formed when tertiary butyl bromide reacts with alcoholic NH\(_3\) solution?
Identify the product formed when tertiary butyl bromide reacts with alcoholic $\text{NH}_3$ solution?
What is the boiling point of 0.5 molal aqueous solution of sucrose if 0.1 molal aqueous solution of glucose boils at 100.16 $^\circ$C?
Which among the following gases is adsorbed to greater extent at similar conditions of temperature and pressure if the adsorbent remains same?
Chlorobenzene on heating with concentrated $\text{HNO}_3$ in presence of concentrated $\text{H}_2\text{SO}_4$ gives
What is the half-life of a first order reaction if time required to decrease concentration of reactant from 1.0 M to 0.25 M is 10 hour?
Identify the name of following reaction.
Which of the following reactions is a Wurtz - Fittig reaction?
Which among the following noble gases reacts with fluorine to give crystalline fluorides?
Chlorobenzene on heating with concentrated HNO\(_3\) in presence of concentrated H\(_2\)SO\(_4\) gives
The pH of 0.005 M KOH is 9.95. Calculate the \([OH^-]\)?