1
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A solution of $$5.6 \mathrm{~g}$$ non-volatile solute in $$50 \mathrm{~g}$$ solvent has elevation in boiling point $$1.75 \mathrm{~K}$$. What is the molar mass of solute $$\left(\mathrm{K}_{\mathrm{b}}=3 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$$ ?

A
$$192 \mathrm{~g} \mathrm{~mol}^{-1}$$
B
$$200 \mathrm{~g} \mathrm{~mol}^{-1}$$
C
$$184 \mathrm{~g} \mathrm{~mol}^{-1}$$
D
$$176 \mathrm{~g} \mathrm{~mol}^{-1}$$
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the common name of benzene-1,3-diol?

A
Catechol
B
Resorcinol
C
Quinol
D
Pyrogallol
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the CORRECT decreasing order of basic strength of compounds from following.

A
$$\mathrm{CH}_3 \mathrm{NH}_2>\left(\mathrm{CH}_3\right)_2 \mathrm{NH}>\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2>\mathrm{NH}_3$$
B
$$\left(\mathrm{CH}_3\right)_2 \mathrm{NH}>\mathrm{CH}_3 \mathrm{NH}_2>\mathrm{NH}_3>\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2$$
C
$$\mathrm{NH}_3>\mathrm{CH}_3 \mathrm{NH}_2>\left(\mathrm{CH}_3\right)_2 \mathrm{NH}>\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2$$
D
$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2>\left(\mathrm{CH}_3\right)_2 \mathrm{NH}>\mathrm{CH}_3 \mathrm{NH}_2>\mathrm{NH}_3$$
4
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the work done in the following reaction at $$300 \mathrm{~K}$$ and at constant pressure.

$$\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)$$

$$4 \mathrm{HCl}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{Cl}_{2(\mathrm{~g})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$$

A
$$-7482 \mathrm{~J}$$
B
$$-4988 \mathrm{~J}$$
C
$$2494 \mathrm{~J}$$
D
$$3200 \mathrm{~J}$$
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