MHT CET 2021 23rd September Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2021 23rd September Evening Shift

MCQ (Single Correct Answer)

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Which of the following statements about tropone is true?

It is heterocyclic having molecular formula $$\mathrm{C}_5 \mathrm{H}_{10} \mathrm{O}$$.

It is benzenoid having molecular formula $$\mathrm{C}_{10} \mathrm{H}_8 \mathrm{O}$$.

It is non-benzenoid having molecular formula $$\mathrm{C}_7 \mathrm{H}_6 \mathrm{O}$$.

It is heterocyclic having molecular formula $$\mathrm{C}_7 \mathrm{H}_6 \mathrm{O}$$.

MHT CET 2021 23rd September Evening Shift

MCQ (Single Correct Answer)

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Edge length of unit cell of BCC structure is 352 pm. What is radius of the atom?

176.3 pm

304.8 pm

152.4 pm

252.4 pm

MHT CET 2021 23rd September Evening Shift

MCQ (Single Correct Answer)

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What is the constant external pressure of an ideal gas when expanded from $$2 \times 10^{-2} \mathrm{~m}^3$$ to $$3 \times 10^{-2} \mathrm{~m}^3$$, if the work done by the gas is $$-5.09 \mathrm{~kJ}$$ ?

$$5.09 \times 10^5 \mathrm{Nm}^{-2}$$

$$1.01 \times 10^5 \mathrm{Nm}^{-2}$$

$$2.02 \times 10^5 \mathrm{Nm}^{-2}$$

$$5.60 \times 10^5 \mathrm{Nm}^{-2}$$

MHT CET 2021 23rd September Evening Shift

MCQ (Single Correct Answer)

-0

The conductivity of $$0.012 \mathrm{~M} \mathrm{~NaBr}$$ solution is $$2.67 \times 10^{-4} \mathrm{~S} \mathrm{~cm}^{-1}$$. What is it's molar conductivity?

$$26.7 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$

$$32.04 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$

$$12.2 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$

$$22.2 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$