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Year: 2024
Topic: Hydrocarbons
1. Match List-I with List-II:

(1).A-IV, B-I, C-II, D-III

(2). A-I, B-IV, C-II, D-III

(3). A-IV, B-I, C-III, D-II

(4). A-III, B-I, C-II, D-IV

Year: 2024
Topic: Hydrocarbons
2. Given below are two statements:
Statement I: The boiling point of three isomeric pentanes follows the order n-pentane > isopentane > neopentane
Statement II: When branching increases, the molecule attains a shape of sphere. This results in smaller surface area for contact, due to which the intermolecular forces between the spherical molecules are weak thereby lowering the boiling point. In the light of the above statements, Choose the most appropriate answer form the options given below

(1).Statement I is correct but Statement II is incorrect

(2). Statement I is incorrect but Statement II is correct

(3). Both Statement I and Statement II are correct

(4). Both Statement I and Statement II are incorrect

Year: 2024
Topic: Hydrocarbons
3. Identify the correct reagents that would bring about the following transformation.

(1).

(2).

(3).

(4).

Year: 2024
Topic: Hydrocarbons
4. A compound with a molecular formula of \(\text{C}_6\text{H}_{14}\) has two tertiary carbons. Its IUPAC name is:

(1).2,3-dimethylbutane

(2). 2,2-dimethylybutane

(3). n-hexane

(4). 2-methylpentane

Year: 2025
Topic: Hydrocarbons
5. Match List I with List II
Choose the correct answer from the options given below :

(1).A-II, B-IV, C-II, D-I

(2). A-IV, B-III, ะก-I, D-II

(3). A-IV, B-III, C-II, D-I

(4). A-III, B-IV, C-I, D-II

Year: 2025
Topic: Hydrocarbons
6. Which one of the following reactions does NOT give benzene as the product ?

(1).

(2).

(3).

(4).

Year: 2025
Topic: Hydrocarbons
7. Which one of the following compounds does not decolourize bromine water?

(1).

(2).

(3).

(4).

Year: 2025
Topic: Hydrocarbons
8. How many products (including stereoisomers) are expected from monochlorination of the following compound?

(1).6

(2). 2

(3). 3

(4). 5

Year: 2025
Topic: Hydrocarbons
9. predict the major product 'P' in the following sequence of reactions -

(1).

(2). figure

(3). figure

(4). 86