1
JEE Main 2025 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following binary mixture does not show the behaviour of minimum boiling azeotropes?

A

$\text{CH}_3\text{OH} + \text{CHCl}_3$

B

$\text{C}_6\text{H}_5\text{OH} + \text{C}_6\text{H}_5\text{NH}_2$

C

$\text{H}_2\text{O} + \text{CH}_3\text{COC}_2\text{H}_5$

D

$\text{CS}_2 + \text{CH}_3\text{COCH}_3$

2
JEE Main 2025 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I: H2Se is more acidic than H2Te

Statement II: H2Se has higher bond enthalpy for dissociation than H2Te

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

A

Both Statement I and Statement II are true

B

Statement I is true but Statement II is false

C

Both Statement I and Statement II are false

D

Statement I is false but Statement II is true

3
JEE Main 2025 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$\mathrm{A} \xrightarrow[\text { (i) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{NaH}} \mathrm{B} \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{SO}_4, \Delta]{\text { (i) } \mathrm{EOH}} \mathrm{C}$

' A ' shows positive Lassaign's test for N and its molar mass is 121 .

' B ' gives effervescence with aq $\mathrm{NaHCO}_3$.

'C' gives fruity smell.

Identify $\mathrm{A}, \mathrm{B}$ and C from the following.

A
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Compounds Containing Nitrogen Question 9 English Option 1
B
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Compounds Containing Nitrogen Question 9 English Option 2
C
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Compounds Containing Nitrogen Question 9 English Option 3
D
JEE Main 2025 (Online) 8th April Evening Shift Chemistry - Compounds Containing Nitrogen Question 9 English Option 4
4
JEE Main 2025 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct decreasing order of spin only magnetic moment values (BM) of Cu+, Cu2+, Cr2+ and Cr3+ ions is :

A

Cr3+ > Cr2+ > Cu+ > Cu2+

B

Cu+ > Cu2+ > Cr3+ > Cr2+

C

Cr2+ > Cr3+ > Cu2+ > Cu+

D

Cu2+ > Cu+ > Cr2+ > Cr3+

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