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Chemical Bonding and Molecular Structure · Question 4

JEE Main 2026 (Online) 6th April Evening ShiftMCQMedium📈 Topic in 10% papers+4−1
1

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

  1. Both Statement I and Statement II are true
  2. Both Statement I and Statement II are false
  3. Statement I is true but Statement II is false
  4. Statement I is false but Statement II is true

Answer

(3) Statement I is true but Statement II is false

Solution

Statement I: bond angles F2O ≈ 103° < H2O ≈ 104.5° < Cl2O ≈ 111°

∵ In F2O the bond pairs are drawn towards the more electronegative F ⇒ less bp–bp repulsion ⇒ smaller angle.

∵ In Cl2O the bond pairs lie closer to O and the large Cl atoms repel each other ⇒ larger angle.

⇒ Statement I is true.

Statement II: As per NCERT, most group 14 tetrahalides are covalent; the exceptions are SnF4 and PbF4, which are ionic. SiF4 is covalent.

⇒ Statement II is false.

Answer: (3)

JEE Main 2026 (Online) 6th April Evening Shift

Keep practising — Chemical Bonding and Molecular Structure

2

Consider the following species: BrF5, XeF5-, BF4-, ICl4-, XeF4, SF4, NH4+, ClF3, XeF2, ICl2- Number of species having sp3d hybridized central atom is .

JEE Main 2026 (Online) 5th April Morning Shift
3

The covalent radii of atoms A and B are rA and rB, respectively. The covalent bond length and total length of AB molecule are respectively

  1. (rA + rB), 2(rA + rB)
  2. 12(rA + rB), (rA + rB)
  3. (rA + rB), (rA + rB)
  4. 2(rA + rB), 12(rA + rB)
JEE Main 2026 (Online) 5th April Evening Shift
4

According to Lewis theory, the total number of bond-pairs and lone pair of electrons around the central atom of XeO64- ion is .

JEE Main 2026 (Online) 4th April Morning Shift
5

Which of the following pictorial diagrams most correctly represents the * ( antibonding) molecular orbital between two atoms if the internuclear axis is taken to be in the z-direction ( z-axis) ?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
JEE Main 2026 (Online) 4th April Evening Shift
6

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

  1. Both Statement I and Statement II are true
  2. Both Statement I and Statement II are false
  3. Statement I is true but Statement II is false
  4. Statement I is false but Statement II is true
JEE Main 2026 (Online) 2nd April Morning Shift
7

SF4 is isostructural with : Choose the correct answer from the options given below :

  1. C Only
  2. C and E Only
  3. A and D Only
  4. B and E Only
JEE Main 2026 (Online) 2nd April Evening Shift
8

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

  1. Both Statement I and Statement II are false
  2. Statement I is true but Statement II is false
  3. Statement I is false but Statement II is true
  4. Both Statement I and Statement II are true
JEE Main 2026 (Online) 28th January Morning Shift
9

Match List-I with List-II according to shape. Choose the correct answer from the options given below :

  1. A-II, B-III, C-I, D-IV
  2. A-III, B-II, C-IV, D-I
  3. A-II, B-III, C-IV, D-I
  4. A-II, B-I, C-III, D-IV
JEE Main 2026 (Online) 28th January Evening Shift
10

Given below are statements about some molecules/ions. Identify the CORRECT statements. Choose the correct answer from the options given below:

  1. B & C Only
  2. B, C & D Only
  3. A, C & D Only
  4. A, B, C, D & E
JEE Main 2026 (Online) 24th January Morning Shift
11

Among the following, the CORRECT combinations are Choose the correct answer from the options given below:

  1. B, C and D Only
  2. A, B, C and D
  3. A, B and C Only
  4. A and B Only
JEE Main 2026 (Online) 24th January Morning Shift

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