1
JEE Main 2025 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Given below are two statements:

Statement I: A homoleptic octahedral complex, formed using monodentate ligands, will not show stereoisomerism.

Statement II: cis- and trans- platin are heteroleptic complexes of Pd.

In the light of the above statements, choose the correct answer from the options given below:

A

Statement I is true but Statement II is false

B

Both Statement I and Statement II are true

C

Both Statement I and Statement II are false

D

Statement I is false but Statement II is true

2
JEE Main 2025 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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When JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English undergoes intramolecular aldol condensation, the major product formed is :
A
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 1
B
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 2
C
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 3
D
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 4
3
JEE Main 2025 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Choose the correct set of reagents for the following conversion.

JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Haloalkanes and Haloarenes Question 6 English
A
$\mathrm{Cl}_2 /$ anhy $\cdot \mathrm{AlCl}_3 ; \mathrm{Br}_2 / \mathrm{Fe} ;$ alc. KOH
B
$\mathrm{Cl}_2 / \mathrm{Fe} ; \mathrm{Br}_2 /$ anhy. $\mathrm{AlCl}_3$; aq. KOH
C
$\mathrm{Br}_2 / \mathrm{Fe} ; \mathrm{Cl}_2, \Delta$; alc. KOH
D
$\mathrm{Br}_2 /$ anhy. $\mathrm{AlCl}_3 ; \mathrm{Cl}_2, \Delta$; aq. KOH
4
JEE Main 2025 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Which one of the following reactions will not lead to the desired ether formation in major proportion?

(iso- $\mathrm{Bu} \Rightarrow$ isobutyl, sec $-\mathrm{Bu} \Rightarrow$ sec-butyl, $\mathrm{nPr} \Rightarrow \mathrm{n}$-propyl, $$ { }^{\mathrm{t}} \mathrm{Bu} \Rightarrow \text { tert-butyl, } \mathrm{Et} \Rightarrow \text { ethyl) } $$

A
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Haloalkanes and Haloarenes Question 5 English Option 1
B
iso- $\mathrm{Bu} \overline{\mathrm{O}} \stackrel{+}{\mathrm{Na}}+\mathrm{sec}-\mathrm{BuBr} \longrightarrow$ sec- $\mathrm{Bu}-\mathrm{O}-$ iso -Bu
C
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Haloalkanes and Haloarenes Question 5 English Option 3
D
${ }^{\mathrm{t}}\mathrm{Bu}\overline{\mathrm{O}} \stackrel{+}{\mathrm{Na}}+\mathrm{EtBr} \longrightarrow{ }^{\mathrm{t}} \mathrm{Bu}-\mathrm{O}-\mathrm{Et}$
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