1
NEET 2024
MCQ (Single Correct Answer)
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During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of $$\mathrm{Fe}^{2+}$$ ion?

A
dilute hydrochloric acid
B
concentrated sulphuric acid
C
dilute nitric acid
D
dilute sulphuric acid
2
NEET 2024
MCQ (Single Correct Answer)
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Major products A and B formed in the following reaction sequence, are

NEET 2024 Chemistry - Alcohol, Phenols and Ethers Question 4 English

A
NEET 2024 Chemistry - Alcohol, Phenols and Ethers Question 4 English Option 1
B
NEET 2024 Chemistry - Alcohol, Phenols and Ethers Question 4 English Option 2
C
NEET 2024 Chemistry - Alcohol, Phenols and Ethers Question 4 English Option 3
D
NEET 2024 Chemistry - Alcohol, Phenols and Ethers Question 4 English Option 4
3
NEET 2024
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The plot of osmotic pressure (П) vs concentration $$(\mathrm{mol} \mathrm{~L}^{-1})$$ for a solution gives a straight line with slope $$25.73 \mathrm{~L} \mathrm{~bar} \mathrm{~mol}^{-1}$$. The temperature at which the osmotic pressure measurement is done is

(Use $$\mathrm{R}=0.083 \mathrm{~L} \mathrm{~bar} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$$)

A
$$37^{\circ} \mathrm{C}$$
B
$$310^{\circ} \mathrm{C}$$
C
$$25.73^{\circ} \mathrm{C}$$
D
$$12.05^{\circ} \mathrm{C}$$
4
NEET 2024
MCQ (Single Correct Answer)
+4
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Identify the correct answer.

A
Three resonance structures can be drawn for ozone
B
$$\mathrm{BF}_3$$ has non-zero dipole moment
C
Dipole moment of $$\mathrm{NF}_3$$ is greater than that of $$\mathrm{NH}_3$$
D
Three canonical forms can be drawn for $$\mathrm{CO}_3^{2-}$$ ion
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