1
JEE Main 2025 (Online) 28th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match the List - I with List - II

List - I
(Redox Reaction)
List - II
(Type of Redox Reaction)
(A) $\begin{aligned} & \mathrm{CH}_{4(\mathrm{~g})}+2 \mathrm{O}_{2(\mathrm{~g})} \xrightarrow{\Delta} \mathrm{CO}_{2(\mathrm{~g})} \\ & +2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}\end{aligned}$ (I) Disproportionation reaction
(B) $2 \mathrm{NaH}_{(\mathrm{s})} \xrightarrow{\Delta} 2 \mathrm{Na}_{(\mathrm{s})}+\mathrm{H}_{2(\mathrm{~g})}$ (II) Combination reaction
(C) $\begin{aligned} & \mathrm{V}_2 \mathrm{O}_{5(\mathrm{~s})}+5 \mathrm{Ca}_{(\mathrm{s})} \xrightarrow{\Delta} 2 \mathrm{~V}_{(\mathrm{s})} \\ & +5 \mathrm{CaO}_{(\mathrm{s})}\end{aligned}$ (III) Decomposition reaction
(D) $\begin{aligned} & 2 \mathrm{H}_2 \mathrm{O}_{2(\mathrm{aq})} \stackrel{\Delta}{\longrightarrow} 2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}+ \\ & \mathrm{O}_{2(\mathrm{~g})}\end{aligned}$ (IV) Displacement reaction

Choose the correct answer from the options given below:

A
A-III, B-IV, C-I, D-II
B
A-IV, B-I, C-II, D-III
C
A-II, B-III, C-I, D-IV
D
A-II, B-III, C-IV, D-I
2
JEE Main 2025 (Online) 28th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : JEE Main 2025 (Online) 28th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 1 English 1

Statement II : In JEE Main 2025 (Online) 28th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 1 English 2, intramolecular substitution takes place first by involving lone pair of electrons on nitrogen.

In the light of the above statements, choose the most appropriate answer from the options given below

A
Both Statement I and Statement II are correct
B
Statement I is incorrect but Statement II is correct
C
Both Statement I and Statement II are incorrect
D
Statement I is correct but Statement II is incorrect
3
JEE Main 2025 (Online) 28th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following oxidation reactions are carried out by both $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$ and $\mathrm{KMnO}_4$ in acidic medium?

A. $\Gamma^{-} \rightarrow \mathrm{I}_2$

B. $\mathrm{S}^{2-} \rightarrow \mathrm{S}$

C. $\mathrm{Fe}^{2+} \rightarrow \mathrm{Fe}^{3+}$

D. $\mathrm{I}^{-} \rightarrow \mathrm{IO}_3^{-}$

E. $\mathrm{S}_2 \mathrm{O}_3{ }^{2-} \rightarrow \mathrm{SO}_4^{2-}$

Choose the correct answer from the options given below :

A
A, B and C Only
B
C, D and E Only
C
B, C and D Only
D
A, D and E Only
4
JEE Main 2025 (Online) 28th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The molecules having square pyramidal geometry are

A
$\mathrm{BrF}_5 ~\&~ \mathrm{PCl}_5$
B
$\mathrm{SbF}_5 ~\&~ \mathrm{PCl}_5$
C
$\mathrm{BrF}_5 ~\&~ \mathrm{XeOF}_4$
D
$\mathrm{SbF}_5 ~\&~ \mathrm{XeOF}_4$
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