1
JEE Main 2026 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

SF$_4$ is isostructural with :

A. BrF$_4^\ominus$

B. CH$_4$

C. IF$_4^{\oplus}$

D. XeF$_4$

E. XeO$_2$F$_2$

Choose the correct answer from the options given below :

A

C Only

B

C and E Only

C

A and D Only

D

B and E Only

2
JEE Main 2026 (Online) 2nd April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement (I): The correct sequence of bond lengths in the following species is :

$\ce{O2^{+}} < \ce{O2} < \ce{O2^{-}} < \ce{O2^{2-}}$

Statement (II): The correct sequence of number of unpaired electrons in the following species is :

$\ce{O2} > \ce{O2^{+}} > \ce{O2^{-}} > \ce{O2^{2-}}$

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

Both Statement I and Statement II are false

C

Statement I is true but Statement II is false

D

Statement I is false but Statement II is true

3
JEE Main 2026 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List - I with List - II according to shape.

List – I List – II
A.  XeO3

B.  XeF2

C.  XeO2F2

D.  XeOF4
I.  BrF5

II.  NH3

III.  [I3]

IV.  SF4

Choose the correct answer from the options given below :

A

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

B

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

C

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

D

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

4
JEE Main 2026 (Online) 28th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : The number of species among $\mathrm{BF}_4^{-}, \mathrm{SiF}_4, \mathrm{XeF}_4$ and $\mathrm{SF}_4$, that have unequal $\mathrm{E}-\mathrm{F}$ bond lengths is two. Here, E is the central atom.

Statement II : Among $\mathrm{O}_2^{-}, \mathrm{O}_2^{2-}, \mathrm{F}_2$ and $\mathrm{O}_2^{+}, \mathrm{O}_2^{-}$has the highest bond order.

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

A

Both Statement I and Statement II are false

B

Statement I is true but Statement II is false

C

Statement I is false but Statement II is true

D

Both Statement I and Statement II are true

JEE Main Subjects

Browse all chapters by subject