1
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

How many molecules are present in $$22400 \mathrm{~cm}^3$$ of a gas at STP?

A
$$22.4 \times 10^{20}$$
B
$$6.022 \times 10^{23}$$
C
$$6.022 \times 10^{20}$$
D
$$22.4 \times 10^{23}$$
2
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate osmotic pressure exerted by a solution containing $$0.822 \mathrm{~g}$$ of solute in $$300 \mathrm{~mL}$$ of water at $$300 \mathrm{~K}$$.

(Molar mass of solute $$=340 \mathrm{~g} \mathrm{~mol}^{-1}, \mathrm{R}=0.0821 \mathrm{~L} \mathrm{~atm} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$$)

A
0.5 atm
B
0.2 atm
C
0.1 atm
D
0.4 atm
3
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The pH of monoacidic weak base is 10.9. Calculate the percent dissociation in 0.02 M solution.

A
7.92%
B
3.95%
C
6.25%
D
2.51%
4
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Lithium shows diagonal relationship with

A
Mg
B
Al
C
Be
D
Na
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