MHT CET 2023 11th May Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2023 11th May Morning Shift

MCQ (Single Correct Answer)

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Which among the following amines has highest value of $$\mathrm{pK}_{\mathrm{b}}$$ ?

$$\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$$

$$\left(\mathrm{CH}_3\right)_3 \mathrm{N}$$

$$\mathrm{CH}_3 \mathrm{NH}_2$$

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2$$

MHT CET 2023 11th May Morning Shift

MCQ (Single Correct Answer)

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What is vapour pressure of a solution containing $$1 \mathrm{~mol}$$ of a nonvolatile solute in $$36 \mathrm{~g}$$ of water $$\left(\mathrm{P}_1^0=32 \mathrm{~mm} \mathrm{~Hg}\right)$$ ?

$$8.14 \mathrm{~mm} \mathrm{~Hg}$$

$$12.31 \mathrm{~mm} \mathrm{~Hg}$$

$$16.08 \mathrm{~mm} \mathrm{~Hg}$$

$$21.44 \mathrm{~mm} \mathrm{~Hg}$$

MHT CET 2023 11th May Morning Shift

MCQ (Single Correct Answer)

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Identify the product obtained when phenol is reacted with dilute nitric acid at low temperature.

ortho-Nitrophenol

para-Nitrophenol

Mixture of ortho and para-nitrophenols

2,4,6-Trinitrophenol

MHT CET 2023 11th May Morning Shift

MCQ (Single Correct Answer)

-0

For an elementary reaction

$$2 \mathrm{~A}+\mathrm{B} \longrightarrow 3 \mathrm{C}$$

rate of appearance of $$\mathrm{C}$$ is $$1.3 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$, the rate of disappearance of $$\mathrm{A}$$ is:

$$1.3 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$

$$2.6 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$

$$5.2 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$

$$8.66 \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$

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