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

Match List - I with List - II.

List - I (Complex) List - II (Hybridisation of central metal ion)
(A) [CoF6]3- (I) d2sp3
(B) [NiCl4]2- (II) sp3
(C) [Co(NH3)6]3+ (III) sp3d2
(D) [Ni(CN)4]2- (IV) dsp2
Choose the correct answer from the options given below:

A

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)

B

(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

C

(A)-(I), (B)-(IV), (C)-(III), (D)-(II)

D

(A)-(III), (B)-(II), (C)-(I), (D)-(IV)

2
JEE Main 2025 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Arrange the following in increasing order of solubility product :

$\mathrm{Ca}(\mathrm{OH})_2, \mathrm{AgBr}, \mathrm{PbS}, \mathrm{HgS}$

A
$\mathrm{PbS}<\mathrm{HgS}<\mathrm{Ca}(\mathrm{OH})_2<\mathrm{AgBr}$
B
$\mathrm{HgS}<\mathrm{AgBr}<\mathrm{PbS}<\mathrm{Ca}(\mathrm{OH})_2$
C
$\mathrm{HgS}<\mathrm{PbS}<\mathrm{AgBr}<\mathrm{Ca}(\mathrm{OH})_2$
D
$\mathrm{Ca}(\mathrm{OH})_2<\mathrm{AgBr}<\mathrm{HgS}<\mathrm{PbS}$
3
JEE Main 2025 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List-I with List-II.

List - I (Saccharides) List - II (Glycosidic-linkages found)
(A) Sucrose (I) α 1 $-$ 4
(B) Maltose (II) α 1 $-$ 4 and α 1 $-$ 6
(C) Lactose (III) α 1 $-$ β 2
(D) Amylopectin (IV) β 1 $-$ 4

Choose the correct answer from the options given below :

A

(A)-(III), (B)-(I), (C)-(IV), (D)-(II)

B

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)

C

(A)-(II), (B)-(IV), (C)-(III), (D)-(I)

D

(A)-(IV), (B)-(II), (C)-(I), (D)-(III)

4
JEE Main 2025 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Thermodynamics Question 28 English

An ideal gas undergoes a cyclic transformation starting from the point A and coming back to the same point by tracing the path A→B→C→D→A as shown in the three cases above.

Choose the correct option regarding ΔU :

A
$\Delta \mathrm{U}(\text { Case-III })>\Delta \mathrm{U}(\text { Case-II })>\Delta \mathrm{U}(\text { Case-I })$
B
$\Delta \mathrm{U}($ Case-I $)>\Delta \mathrm{U}($ Case-II $)>\Delta \mathrm{U}($ Case-III $)$
C
$\Delta \mathrm{U}($ Case-I $)=\Delta \mathrm{U}($ Case-II $)=\Delta \mathrm{U}($ Case-III $)$
D
$\Delta \mathrm{U}($ Case-I $)>\Delta \mathrm{U}($ Case-III $)>\Delta \mathrm{U}($ Case-II $)$
JEE Main Papers
2023
2021
EXAM MAP