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Of the following which will have a zero dipole moment?
  • a)
    cis-1,2-dichloroethylene
  • b)
    Trans-1,2-dichloroethylene
  • c)
    1,1-Dichloroethylene
  • d)
    Monochloroethylene
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Of the following which will have a zero dipole moment?a)cis-1,2-dichlo...
Trans compounds have zero dipole bcz there dipole is cancelled on by opposite same groups
Community Answer
Of the following which will have a zero dipole moment?a)cis-1,2-dichlo...
Trans-1,2-dichloroethylene has a zero dipole moment.

Explanation:
To determine the dipole moment of a molecule, we need to consider the individual bond dipole moments and their arrangement in the molecule.

1. Cis-1,2-dichloroethylene:
In cis-1,2-dichloroethylene, the two chlorine atoms are on the same side of the double bond. Chlorine is more electronegative than carbon, so the C-Cl bond has a dipole moment. Since the two C-Cl bonds are oriented in the same direction, their dipole moments do not cancel out. Therefore, cis-1,2-dichloroethylene has a nonzero dipole moment.

2. Trans-1,2-dichloroethylene:
In trans-1,2-dichloroethylene, the two chlorine atoms are on opposite sides of the double bond. The C-Cl bond dipole moments are oriented in opposite directions, which means they cancel each other out. As a result, trans-1,2-dichloroethylene has a zero dipole moment.

3. 1,1-Dichloroethylene:
In 1,1-dichloroethylene, there is only one chlorine atom attached to the double bond carbon atom. The C-Cl bond has a dipole moment, but since there is no other dipole in the molecule to oppose it, the molecule as a whole has a nonzero dipole moment.

4. Monochloroethylene:
In monochloroethylene, there is only one chlorine atom attached to the carbon atom. The C-Cl bond has a dipole moment, but there are no other dipoles in the molecule to oppose it. Therefore, the molecule has a nonzero dipole moment.

Therefore, the correct option is Trans-1,2-dichloroethylene because it has a zero dipole moment.
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Of the following which will have a zero dipole moment?a)cis-1,2-dichloroethyleneb)Trans-1,2-dichloroethylenec)1,1-Dichloroethylened)MonochloroethyleneCorrect answer is option 'B'. Can you explain this answer?
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Of the following which will have a zero dipole moment?a)cis-1,2-dichloroethyleneb)Trans-1,2-dichloroethylenec)1,1-Dichloroethylened)MonochloroethyleneCorrect answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Of the following which will have a zero dipole moment?a)cis-1,2-dichloroethyleneb)Trans-1,2-dichloroethylenec)1,1-Dichloroethylened)MonochloroethyleneCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Of the following which will have a zero dipole moment?a)cis-1,2-dichloroethyleneb)Trans-1,2-dichloroethylenec)1,1-Dichloroethylened)MonochloroethyleneCorrect answer is option 'B'. Can you explain this answer?.
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