MHT CET 2023 10th May Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

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Which among the following phenols does NOT correctly match with their IUPAC names?

Catechol: Benzene-1,2-diol

Resorcinol : Benzene-1,3-diol

o-Cresol : Benzene-1,2,3-triol

Quinol: Benzene-1,4-diol

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

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Which among following statements is NOT true according to principles of green chemistry?

In a chemical synthesis the waste product should be zero or minimum.

Good atom economy means very few atoms of reactants are incorporated in the product.

Only small amounts of unwanted by products are formed.

Use of lindane is better than DDT.

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

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What is the value of effective atomic number of cobalt in $$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$$ complex if $$\mathrm{Co}(\mathrm{Z}=27)$$ ?

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

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For the reaction, $$3 \mathrm{~I}+\mathrm{S}_2 \mathrm{O}_8^{2-} \rightarrow \mathrm{I}_3^{-}+2 \mathrm{SO}_4^{2-}$$, at a particular time $$\mathrm{t}, \frac{\mathrm{d}\left[\mathrm{SO}_4^{2-}\right]}{\mathrm{dt}}$$ is $$2.2 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$$. What is the value of $$-\frac{\mathrm{d}\left[\mathrm{I}^{-}\right]}{\mathrm{dt}}$$ ?

$$1.1 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$$

$$3.3 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$$

$$4.4 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$$

$$6.6 \times 10^{-2} \mathrm{~mol} \mathrm{~dm}^{-3} \mathrm{~s}^{-1}$$

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