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Dipole Moment Test

The document provides a 10 question, multiple choice organic chemistry test on the topic of dipole moment. It includes questions about the relative dipole moments of different molecules, which functional groups contribute most to dipole moment, and the number of sp2 hybridized atoms in a given structure. The test is worth a total of 30 marks and has no negative marking. An answer key is provided with the correct response for each question.

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Anshul Garg
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1K views3 pages

Dipole Moment Test

The document provides a 10 question, multiple choice organic chemistry test on the topic of dipole moment. It includes questions about the relative dipole moments of different molecules, which functional groups contribute most to dipole moment, and the number of sp2 hybridized atoms in a given structure. The test is worth a total of 30 marks and has no negative marking. An answer key is provided with the correct response for each question.

Uploaded by

Anshul Garg
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Test : Organic Chemistry

 Time : 10 Minute
Topic : Dipole Moment Total Marks : 30

Instruction : Each Questions Contains 3 Marks and No Negative Marking in this Test

1. Which is correct for dipole moment :


(a) CH3—CH2—Cl > CH2 = CH—Cl dipole moment
(b) CH2 = CH—Cl > CH3—CH2—Cl dipole moment

(c) dipole moment

(d) None is correct.


2. Dipole moment is maximum in case for > C = O :
(a) CH3 CH2 CHO (b) CH2 = CH—CHO
(c) HCHO (d) All of the above
3. The dipole moment is the highest for
(a) Trans-2-butene (b) 1, 4-Dimethylbenzene
(c) Acetophenone (d) Ethanal
4. Find out the dipole moment order of the following

(a) α > β > γ (b) α > γ > β


(c) γ > β > α (d) β > γ > α
5. Which one has a non-zero dipole moment.
OH Cl CH3 C ≡ CH

(a) (b) (c) (d)

OH Cl CH3 C ≡ CH
6. Find out dipole moment order of the given (C = O)

(a) α > β > γ (b) β > γ > α


(c) γ > β > α (d) γ > α > β
7. Zero dipole moment is shown by
(a) CH ≡ CH (b) CH3 — CH3

(c) CH ≡ C — C ≡ CH (d) All of these

HN O
8. Total sp2 hybridised atoms in this structure
C CH3
CN NH
(a) 3 (b) 2
(c) 4 (d) 5
9. Correct for Dipole moment :

(A) (B)

(C) CH3Cl > CHCl3 (D) CH3Cl > CH2Cl2


(a) A & B (b) A, B & C
(c) B, C & D (d) B & D only
10. Find out number of point of zero dipole moment in the structure
CH  C O

Cl  Cl

B
O C  CH
 
Cl
C O
CH
(a) α, β, γ, δ (b) α, β, γ
(c) α, β (d) α
ANSWER KEY
1. (a) 2. (b) 3. (c) 4. (b) 5. (a)
6. (c) 7. (d) 8. (b) 9. (c) 10. (d)

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