1
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

What is the degree of dissociation of $$0.05 \mathrm{~M~NH}_3$$ if its $$\mathrm{pK}{ }_a$$ is 4.75 and $$\mathrm{pH}$$ is 11 ?

A
2%
B
0.2%
C
0.5%
D
5%
2
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

1 mole of $$\mathrm{CO}_2$$ gas at $$300 \mathrm{~K}$$ is expanded under adiabatic conditions such that its volume becomes 27 times. What is work done?

A
900 cal
B
1000 cal
C
1200 cal
D
1400 cal
3
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

The correct stability order of the following free radicals is

A
$$\left(\mathrm{CH}_3\right)_2 \dot{\mathrm{C}} \mathrm{H}<\left(\mathrm{CH}_3\right)_3 \dot{\mathrm{C}}<\left(\mathrm{C}_6 \mathrm{H}_5\right)_3 \dot{\mathrm{C}}<\left(\mathrm{C}_6 \mathrm{H}_5\right)_2 \dot{\mathrm{C}} \mathrm{H}$$
B
$$\left(\mathrm{C}_6 \mathrm{H}_5\right)_2 \dot{\mathrm{C}} \mathrm{H}<\left(\mathrm{C}_6 \mathrm{H}_5\right)_3 \dot{\mathrm{C}}<\left(\mathrm{CH}_3\right)_3 \dot{\mathrm{C}}<\left(\mathrm{CH}_3\right)_2 \dot{\mathrm{C}} \mathrm{H}$$
C
$$\left(\mathrm{C}_6 \mathrm{H}_5\right)_3 \dot{\mathrm{C}}<\left(\mathrm{C}_6 \mathrm{H}_5\right)_2 \dot{\mathrm{C}} \mathrm{H}<\left(\mathrm{CH}_3\right)_3 \dot{\mathrm{C}}<\left(\mathrm{CH}_3\right)_2 \dot{\mathrm{C}} \mathrm{H}$$
D
$$\left(\mathrm{CH}_3\right)_2 \dot{\mathrm{C}} \mathrm{H}<\left(\mathrm{CH}_3\right)_3 \dot{\mathrm{C}}<\left(\mathrm{C}_6 \mathrm{H}_5\right)_2 \dot{\mathrm{C}} \mathrm{H}<\left(\mathrm{C}_6 \mathrm{H}_5\right)_3 \dot{\mathrm{C}}$$
4
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

Choose the correct structure of picric acid.

A
VITEEE 2022 Chemistry - Alcohol, Phenols and Ethers Question 5 English Option 1
B
VITEEE 2022 Chemistry - Alcohol, Phenols and Ethers Question 5 English Option 2
C
VITEEE 2022 Chemistry - Alcohol, Phenols and Ethers Question 5 English Option 3
D
VITEEE 2022 Chemistry - Alcohol, Phenols and Ethers Question 5 English Option 4
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