1
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Choose the correct option for free expansion of an ideal gas under adiabatic condition from the following :
A
$\mathrm{q}=0, \Delta \mathrm{T}=0, \mathrm{w}=0$
B
$\mathrm{q}=0, \Delta \mathrm{T} \neq 0, \mathrm{w}=0$
C
$\mathrm{q} \neq 0, \Delta \mathrm{T}=0, \mathrm{w}=0$
D
$\mathrm{q}=0, \Delta \mathrm{T}<0, \mathrm{w} \neq 0$
2
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify $A$ and $B$ in the following sequence of reaction

JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English
A
JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 1
B
JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 2
C
JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 3
D
JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 4
3
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following complex is homoleptic?
A
$\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right]$
B
$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$
C
$\left[\mathrm{Fe}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$
D
$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$
4
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
In Kjeldahl's method for estimation of nitrogen, $\mathrm{CuSO}_4$ acts as :
A
catalytic agent
B
hydrolysis agent
C
reducing agent
D
oxidising agent
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