1
JEE Main 2025 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The nature of oxide $\left(\mathrm{TeO}_2\right)$ and hydride $\left(\mathrm{TeH}_2\right)$ formed by Te , respectively are :
A
Reducing and basic
B
Reducing and acidic
C
Oxidising and acidic
D
Oxidising and basic
2
JEE Main 2025 (Online) 24th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The large difference between the melting and boiling points of oxygen and sulphur may be explained on the basis of

A
Atomicity
B
Electron gain enthalpy
C
Atomic size
D
Electronegativity
3
JEE Main 2025 (Online) 23rd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The incorrect statement among the following is

A
$\mathrm{PH}_3$ shows lower proton affinity than $\mathrm{NH}_3$.
B
$\mathrm{SO}_2$ can act as an oxidizing agent, but not as a reducing agent.
C
$\mathrm{NO}_2$ can dimerise easily.
D
$\mathrm{PF}_3$ exists but $\mathrm{NF}_5$ does not.
4
JEE Main 2025 (Online) 22nd January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The maximum covalency of a non-metallic group 15 element ' E ' with weakest $\mathrm{E}-\mathrm{E}$ bond is :

A
5
B
3
C
4
D
6
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