1
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Weak acid HX has dissociation constant $$1 \times 10^{-5}$$. Calculate the percent dissociation in its $$0.1 \mathrm{M}$$ solution.

A
$$2.2 \%$$
B
$$3.5 \%$$
C
$$4.2 \%$$
D
$$1.0 \%$$
2
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the $$\mathrm{pH}$$ of a buffer solution containing $$0.01 ~\mathrm{M}$$ salt and $$0.004 \mathrm{~M}$$ weak acid.

$$\left(\mathrm{pK}_{\mathrm{a}}=4.762\right)$$

A
4.36
B
4.76
C
5.16
D
5.36
3
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is vinylic halide?

A
$$\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}_2-\mathrm{X}$$
B
$$\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{X}$$
C
$$\mathrm{CH}_3-\mathrm{C} \equiv \mathrm{C}-\mathrm{X}$$
D
$$\mathrm{C}_6 \mathrm{H}_5-\mathrm{CH}_2-\mathrm{X}$$
4
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following compounds is obtained when carbon dioxide gas bubbled through slaked lime solution?

A
$$\mathrm{CaCO}_{3 \text { (s) }}$$
B
$$\mathrm{CaCl}_{2 \text { (aq) }}$$
C
$$\mathrm{CaSO}_{4(\mathrm{s})}$$
D
$$\mathrm{NaCl}_{(\mathrm{aq})}$$
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