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1
JEE Main 2025 (Online) 3rd April Morning Shift
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement I : The N - N single bond is weaker and longer than that of P - P single bond.

Statement II : Compounds of group 15 elements in +3 oxidation states readily undergo disproportionation reactions.

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

A
Statement I is false but Statement II is true
B
Both Statement I and Statement II are true
C
Both Statement I and Statement II are false
D
Statement I is true but Statement II is false
2
JEE Main 2025 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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
3
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
4
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.
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