JEE Main 2024 (Online) 31st January Morning Shift | Basics of Organic Chemistry Question 42 | Chemistry

JEE Main 2024 (Online) 31st January Morning Shift

MCQ (Single Correct Answer)

-1

Given below are two statements:

Statement I: IUPAC name of $$\mathrm{HO}-\mathrm{CH}_2-\left(\mathrm{CH}_2\right)_3-\mathrm{CH}_2-\mathrm{COCH}_3$$ is 7-hydroxyheptan-2-one.

Statement II: 2-oxoheptan-7-ol is the correct IUPAC name for above compound. In the light of the above statements, choose the most appropriate answer from the options given below:

Statement I is incorrect but Statement II is correct.

Statement I is correct but Statement II is incorrect.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

JEE Main 2024 (Online) 30th January Evening Shift

MCQ (Single Correct Answer)

-1

The correct stability order of carbocations is

$$\left(\mathrm{CH}_3\right)_3 \mathrm{C}^{+}>\mathrm{CH}_3-\stackrel{+}{\mathrm{C}} \mathrm{H}_2>\left(\mathrm{CH}_3\right)_2 \stackrel{+}{\mathrm{C}} \mathrm{H}>\stackrel{+}{\mathrm{C}} \mathrm{H}_3$$

$$\left(\mathrm{CH}_3\right)_3 \stackrel{+}{\mathrm{C}}>\left(\mathrm{CH}_3\right)_2 \stackrel{+}{\mathrm{C}} \mathrm{H}>\mathrm{CH}_3-\stackrel{+}{\mathrm{C}} \mathrm{H}_2>\stackrel{+}{\mathrm{C}} \mathrm{H}_3$$

$$\stackrel{+}{\mathrm{C}} \mathrm{H}_3>\left(\mathrm{CH}_3\right)_2 \stackrel{+}{\mathrm{C}} \mathrm{H}>\mathrm{CH}_3-\stackrel{+}{\mathrm{C}} \mathrm{H}_2>\left(\mathrm{CH}_3\right)_3 \stackrel{+}{\mathrm{C}}$$

JEE Main 2024 (Online) 30th January Evening Shift

MCQ (Single Correct Answer)

-1

Which among the following purification methods is based on the principle of "Solubility" in two different solvents?

Distillation

Sublimation

Column Chromatography

Differential Extraction

JEE Main 2024 (Online) 30th January Evening Shift

MCQ (Single Correct Answer)

-1

IUPAC name of following compound is :

JEE Main 2024 (Online) 30th January Evening Shift Chemistry - Basics of Organic Chemistry Question 32 English

2-Aminobutanenitrile

3-Aminopropanenitrile

2-Aminopentanenitrile

3-Aminobutanenitrile

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