MHT CET 2023 13th May Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

-0

Find the rate of formation of $$\mathrm{NO}_{2(\mathrm{~g})}$$ in the following reaction.

$$\begin{aligned} & 2 \mathrm{~N}_2 \mathrm{O}_{5(\mathrm{~g})} \rightarrow 4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \\ & {\left[\frac{-\mathrm{d}\left[\mathrm{N}_2 \mathrm{O}_5\right]}{\mathrm{dt}}=0.02 \mathrm{~mol} \mathrm{~dm}^{-3}\right]} \end{aligned}$$

$$0.01 \mathrm{~mol} \mathrm{~dm}^{-3}$$

$$0.02 \mathrm{~mol} \mathrm{~dm}^{-3}$$

$$0.03 \mathrm{~mol} \mathrm{~dm}^{-3}$$

$$0.04 \mathrm{~mol} \mathrm{~dm}^{-3}$$

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

-0

Which from following properties is exhibited by group 2 elements?

Act as inert elements in +1 state.

Form $$\mathrm{MH}_2$$ type hydrides with hydrogen on heating.

Elements at the top in the group catch fire when kept on water.

Reducing power of these elements is more than group I elements.

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

-0

Calculate the rate constant of the first order reaction if $$20 \%$$ of the reactant decomposes in 15 minutes.

$$1.488 \times 10^{-2}$$ minute $$^{-1}$$

$$1.881 \times 10^{-2}$$ minute $${ }^{-1}$$

$$1.984 \times 10^{-2}$$ minute $$^{-1}$$

$$1.18 \times 10^{-2}$$ minute $$^{-1}$$

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

-0

Which from following methods of structural formula representation uses conventionally a point for front carbon and a circle around it for rear carbon?

Andiron formula

Condensed formula

Newman projection formula

Fisher projection formula

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