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JEE Main 20254 AprilMorning Shift
Exam
JEE Main
Year
2025
Date
4 April
Shift
Morning Shift
Subject
Chemistry
Chapter
General Organic Chemistry

JEE Main 2025 · 4 April · Morning Shift · Chemistry · General Organic Chemistry

Given below are two statements. Statement I : The dipole moment of...

Given below are two statements.
Statement I : The dipole moment of CH34−CH3    =CH3    −CH1    =O\stackrel{4}{\mathrm{CH}_3}-\stackrel{3~~~~}{\mathrm{CH}}=\stackrel{3~~~~}{\mathrm{CH}}-\stackrel{1~~~~}{\mathrm{CH}}=\mathrm{O} is greater than CH34−CH23−CH22−CH1=O\stackrel{4}{\mathrm{CH}_3}-\stackrel{3}{\mathrm{CH}_2}-\stackrel{2}{\mathrm{CH}_2}-\stackrel{1}{\mathrm{CH}}=\mathrm{O}
Statement II : C1−C2\mathbf{C}_1-\mathbf{C}_2 bond length of CH3−4CH=3CH2−CH=O\underset{4}{\mathrm{CH}_3-\mathrm{}} \underset{3}{\mathrm{CH=}} \underset{2}{\mathrm{CH}}-\mathrm{CH}=\mathrm{O} is greater than C1−C2\mathrm{C}_1-\mathrm{C}_2 bond length of Given below are two statements. Statement I : The dipole moment of 4 CH_3 - 3~~~~ CH = 3~~~~ CH - 1~~~~ CH =O is
In the light of the above statements, choose the correct answer from the options given below:

Options

  1. AStatement I is false but Statement II is true
  2. BBoth Statement I and Statement II are false
  3. CStatement I is true but Statement II is false
  4. DBoth Statement I and Statement II are true

Correct answer

C. Statement I is true but Statement II is false

Step-by-step solution

Statement-I :
Given below are two statements. Statement I : The dipole moment of 4 CH_3 - 3~~~~ CH = 3~~~~ CH - 1~~~~ CH =O is
μ=q×d\mu=\mathrm{q} \times \mathrm{d}
More charges and more distance between charges than other compound so more dipole moment. Statement-I is true.
Statement-II :Given below are two statements. Statement I : The dipole moment of 4 CH_3 - 3~~~~ CH = 3~~~~ CH - 1~~~~ CH =O is
C1−C2\mathrm{C}_1-\mathrm{C}_2 bond has partial double bond character that means lesser bond length than C1−C2\mathrm{C}_1-\mathrm{C}_2 bond of other compound. Statement-II is false.
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