1
JEE Main 2024 (Online) 5th April Morning Shift
Numerical
+4
-1
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$$9.3 \mathrm{~g}$$ of pure aniline is treated with bromine water at room temperature to give a white precipitate of the product '$$\mathrm{P}$$'. The mass of product '$$\mathrm{P}$$' obtained is $$26.4 \mathrm{~g}$$. The percentage yield is ________ %.

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2
JEE Main 2024 (Online) 5th April Morning Shift
Numerical
+4
-1
Change Language

Consider the given chemical reaction sequence :

JEE Main 2024 (Online) 5th April Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 5 English

Total sum of oxygen atoms in Product A and Product B are ________.

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3
JEE Main 2024 (Online) 5th April Morning Shift
Numerical
+4
-1
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During Kinetic study of reaction $$\mathrm{2 A+B \rightarrow C+D}$$, the following results were obtained :

$$\mathrm{A [M]}$$ $$\mathrm{B [M]}$$ initial rate of formation of $$\mathrm{D}$$
I 0.1 0.1 $$6.0\times10^{-3}$$
II 0.3 0.2 $$7.2\times10^{-2}$$
III 0.3 0.4 $$2.88\times10^{-1}$$
IV 0.4 0.1 $$2.40\times10^{-2}$$

Based on above data, overall order of the reaction is _________.

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4
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
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Let a rectangle ABCD of sides 2 and 4 be inscribed in another rectangle PQRS such that the vertices of the rectangle ABCD lie on the sides of the rectangle PQRS. Let a and b be the sides of the rectangle PQRS when its area is maximum. Then (a+b)$$^2$$ is equal to :

A
64
B
80
C
60
D
72
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