MHT CET 2023 9th May Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2023 9th May Morning Shift

MCQ (Single Correct Answer)

-0

Identify the product '$$\mathrm{B}$$' in the following reaction.

Dry ice $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{Dry\,ether}^{C{H_3}MgBr}}}$$ A $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{dil.\,HCl}^{{H_2}O}}}$$ B

Methanoic acid

Ethanoic acid

Methanol

Ethanol

MHT CET 2023 9th May Morning Shift

MCQ (Single Correct Answer)

-0

Which among the following reactions exhibits $$\Delta \mathrm{H}=\Delta \mathrm{U}$$ ?

$$\mathrm{H}_{2(\mathrm{~g})}+\mathrm{Br}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{HBr}_{(\mathrm{g})}$$

$$2 \mathrm{CO}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{CO}_{2(\mathrm{~g})}$$

$$\mathrm{PCl}_{5(\mathrm{~g})} \rightarrow \mathrm{PCl}_{3(\mathrm{~g})}+\mathrm{Cl}_{2(\mathrm{~g})}$$

$$\mathrm{C}_{(\mathrm{s})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})} \rightarrow 2 \mathrm{H}_{2(\mathrm{~g})}+\mathrm{CO}_{2(\mathrm{~g})}$$

MHT CET 2023 9th May Morning Shift

MCQ (Single Correct Answer)

-0

A buffer solution is prepared by mixing 0.2 M sodium acetate and 0.1 M acetic acid. If pK$$_a$$ for acetic acid is 4.7, find the pH.

3.0

4.0

5.0

2.0

MHT CET 2023 9th May Morning Shift

MCQ (Single Correct Answer)

-0

A solution of nonvolatile solute is obtained by dissolving $$3.5 \mathrm{~g}$$ in $$100 \mathrm{~g}$$ solvent has boiling point elevation $$0.35 \mathrm{~K}$$. Calculate the molar mass of solute.

(Molal elevation constant $$=2.5 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$$ )

$$270 \mathrm{~g} \mathrm{~mol}^{-1}$$

$$260 \mathrm{~g} \mathrm{~mol}^{-1}$$

$$250 \mathrm{~g} \mathrm{~mol}^{-1}$$

$$240 \mathrm{~g} \mathrm{~mol}^{-1}$$

PREVIOUS NEXT