MHT CET 2021 24th September Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2021 24th September Evening Shift

MCQ (Single Correct Answer)

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Which among the following is NOT a feature of $$\mathrm{S}_{\mathrm{N}} 1$$ mechanism?

Involve only backside attack of nucleophile.

In an optically active substrate the product formed is racemic.

Two step mechanism.

Heterolysis of $$\mathrm{C}-\mathrm{X}$$ bond forms carbocation intermediate.

MHT CET 2021 24th September Evening Shift

MCQ (Single Correct Answer)

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An element has $$\mathrm{BCC}$$ structure with edge length of unit cell $$600 \mathrm{~pm}$$. What is the atomic radius of element?

$$\sqrt{3} \times 150 \mathrm{~pm}$$

$$150 \mathrm{~pm}$$

$$300 \mathrm{~pm}$$

$$\frac{300}{\sqrt{2}} \mathrm{~pm}$$

MHT CET 2021 24th September Evening Shift

MCQ (Single Correct Answer)

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When certain volume of gas expands against a constant external pressure of $$2.40 \times 10^5 \mathrm{~Pa}$$ at 300 $$\mathrm{K}$$ to $$2.2 \times 10^{-3} \mathrm{~m}^3$$. If the work obtained is $$-0.048 \mathrm{~kJ}$$. What is the initial volume of the gas?

$$2 \times 10^{-3} \mathrm{~m}^3$$

$$4.5 \times 10^{-2} \mathrm{~m}^3$$

$$1.5 \times 10^{-3} \mathrm{~m}^3$$

$$2.8 \times 10^{-2} \mathrm{~m}^3$$

MHT CET 2021 24th September Evening Shift

MCQ (Single Correct Answer)

-0

Which among the following pairs of electronic effect and it's example is NOT correct?

Hyper conjugation : Propene

Resonance : Nitromethane

$$(-) \mathrm{R}$$ effect: $$\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2$$

Electromeric effect: Acetone