1
MHT CET 2023 12th May Morning Shift
+1
-0

What is $$\mathrm{pH}$$ of solution containing $$50 \mathrm{~mL}$$ each of $$0.1 \mathrm{~M}$$ sodium acetate and $$0.01 \mathrm{~M}$$ acetic acid? $$\left(\mathrm{pK}_{\mathrm{a}} \mathrm{CH}_3 \mathrm{COOH}=4.50\right)$$

A
2.5
B
3.5
C
4.5
D
5.5
2
MHT CET 2023 11th May Evening Shift
+1
-0

Identify the salt that undergoes hydrolysis and forms acidic solution from following.

A
$$\mathrm{Na}_2 \mathrm{CO}_3$$
B
$$\mathrm{NH}_4 \mathrm{NO}_3$$
C
$$\mathrm{NH}_4 \mathrm{CN}$$
D
$$\mathrm{KCN}$$
3
MHT CET 2023 11th May Evening Shift
+1
-0

A weak base is $$1.42 \%$$ dissociated in its $$0.05 \mathrm{~M}$$ solution. Calculate its dissociation constant.

A
$$5.5 \times 10^{-5}$$
B
$$4.0 \times 10^{-5}$$
C
$$1.8 \times 10^{-5}$$
D
$$1.0 \times 10^{-5}$$
4
MHT CET 2023 11th May Evening Shift
+1
-0

Calculate the degree of dissociation of $$0.01 \mathrm{~M}$$ acetic acid at $$25^{\circ} \mathrm{C}\left[\Lambda_{\mathrm{c}}=15.0 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}\right.$$ and $$\left.\Lambda_0=300 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}\right]$$

A
0.042
B
0.035
C
0.025
D
0.05
EXAM MAP
Medical
NEET