1
JEE Main 2024 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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:

A
Statement I is incorrect but Statement II is correct.
B
Statement I is correct but Statement II is incorrect.
C
Both Statement I and Statement II are correct.
D
Both Statement I and Statement II are incorrect.
2
JEE Main 2024 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct sequence of electron gain enthalpy of the elements listed below is

A. Ar

B. Br

C. F

D. S

Choose the most appropriate from the options given below:

A
$$\mathrm{A>D>C>B}$$
B
$$\mathrm{A}>\mathrm{D}>\mathrm{B}>\mathrm{C}$$
C
$$\mathrm{D}>\mathrm{C}>\mathrm{B}>\mathrm{A}$$
D
$$\mathrm{C}>\mathrm{B}>\mathrm{D}>\mathrm{A}$$
3
JEE Main 2024 (Online) 31st January Morning Shift
Numerical
+4
-1
Change Language

Consider the following reaction at $$298 \mathrm{~K} \cdot \frac{3}{2} \mathrm{O}_{2(g)} \rightleftharpoons \mathrm{O}_{3(g)} \cdot \mathrm{K}_{\mathrm{P}}=2.47 \times 10^{-29}$$. $$\Delta_r G^{\ominus}$$ for the reaction is _________ $$\mathrm{kJ}$$. (Given $$\mathrm{R}=8.314 \mathrm{~JK}^{-1} \mathrm{~mol}^{-1}$$)

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4
JEE Main 2024 (Online) 31st January Morning Shift
Numerical
+4
-1
Change Language

The product of the following reaction is P.

JEE Main 2024 (Online) 31st January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English

The number of hydroxyl groups present in the product P is ________.

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