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Chemical Bonding and Molecular Structure · Question 3

NEET (UG) 2026MatchingEasy📈 Topic in 12% papers+4−1
1

Match List-I with List-II :

  1. A-IV, B-I, C-III, D-II
  2. A-III, B-IV, C-II, D-I
  3. A-II, B-III, C-I, D-IV
  4. A-I, B-II, C-IV, D-III

Answer

(1) A-IV, B-I, C-III, D-II

Solution

Every single bond is 1σ; a double bond is 1σ + 1π; a triple bond is 1σ + 2π.

A. C2H4 ( H2C=CH2): 4 C–H σ + 1 C–C σ + 1 π ⇒ 5σ, 1π → IV

B. C2H2 ( H-C C-H): 2 C–H σ + 1 C–C σ + 2 π ⇒ 3σ, 2π → I

C. CH4: 4 C–H σ ⇒ 4σ → III

D. NH3: 3 N–H σ and one lone pair on N → II

∴ A-IV, B-I, C-III, D-II

Answer: (1)

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Keep practising — Chemical Bonding and Molecular Structure

2

The highest occupied molecular orbital for Ne2 is

  1. *2p
  2. 2p
  3. 2p
  4. *2p
RE-NEET (UG) 2026
3

Match the species in List-I with their geometry in List-II.

  1. A-III, B-II, C-I, D-IV
  2. A-IV, B-III, C-I, D-II
  3. A-III, B-IV, C-I, D-II
  4. A-III, B-I, C-II, D-IV
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4

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

  1. Statement I is true but Statement II is false
  2. Statement I is false but Statement II is true
  3. Both Statement I and Statement II are true
  4. Both Statement I and Statement II are false
NEET (UG) 2025
5

Match List-I with List-II Choose the correct answer from the options given below :

  1. A-IV, B-II, C-III, D-I
  2. A-IV, B-II, C-I, D-III
  3. A-II, B-I, C-IV, D-III
  4. A-II, B-I, C-III, D-IV
NEET (UG) 2025
6

Identify the correct orders against the property mentioned Choose the correct answer from the options given below:

  1. A, C only
  2. B, C only
  3. A, D only
  4. B, D only
NEET (UG) 2025
7

Match List I with List II. Choose the correct answer from the options given below :

  1. A-I, B-IV, C-II, D-III
  2. A-IV, B-III, C-II, D-I
  3. A-III, B-IV, C-II, D-I
  4. A-III, B-IV, C-I, D-II
NEET (UG) 2024
8

Intramolecular hydrogen bonding is present in

  1. [figure]
  2. [figure]
  3. [figure]
  4. HF
NEET (UG) 2024
9

Match List I with List II. Choose the correct answer from the options given below:

  1. A-I, B-IV, C-II, D-III
  2. A-II, B-IV, C-III, D-I
  3. A-III, B-IV, C-I, D-II
  4. A-II, B-III, C-IV, D-I
NEET (UG) 2024
10

Identify the correct answer.

  1. Three resonance structures can be drawn for ozone
  2. BF3 has non-zero dipole moment
  3. Dipole moment of NF3 is greater than that of NH3
  4. Three canonical forms can be drawn for CO32- ion
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11

Which of the following molecules has "NON ZERO" dipole moment value?

  1. CCl4
  2. HI
  3. CO2
  4. BF3
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