Which of the following statements is correct?
a. HC≡CCH=CHCH3 contains 10 σ bonds and 3 π bonds.
b. CH2=C=CHCH3 contains 7 σ bonds and 2 π bonds.


1. Only statement 'a' is true.

2. Only statement 'b' is true

3. Both statements are true

4. Both statements are false

Subtopic:  Hybridisation & Structure of Carbon Compounds |
 80%
Level 1: 80%+
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Correct statement among the following is:

a. The hybridization of carbon in H2C=O is sp2  and shape is trigonal planar.
b. The hybridization of carbon in CH3F is sp3 and shape is tetrahedral.
c. The hybridization of carbon in HC≡N is sp and shape is linear.

 

1. Only a and b statements are correct.
2. Only b and c statements are correct.
3. All statements are correct.
4. None of the statements are correct.
Subtopic:  Hybridisation & Structure of Carbon Compounds |
 86%
Level 1: 80%+
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Match the items in column I with the column II.

Column I Column II
a. i.
b. ii.
c. iii.
d. iv.

Choose the correct answer from the options given below:
1. a-iv; b-iii; c-i; d-ii
2. a-iii; b-iv; c-i; d-ii
3. a-ii; b-i; c-iv; d-iii
4. a-i; b-iii; c-iv; d-ii

Subtopic:  Nomenclature |
 93%
Level 1: 80%+
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Match the item in column I with the column II

Column I Column II
a. i.
b. ii.
c. iii.
d. iv.

Choose the correct answer from the options given below:
1. a-ii; b-iv; c-i; d-iii
2. a-iii; b-iv; c-ii; d-i
3. a-iv; b-iii; c-i; d-ii
4. a-i; b-iv; c-ii; d-iii

Subtopic:  Nomenclature |
 94%
Level 1: 80%+
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Incorrect match amongst the following is/are:

(a) 3,4,7-Trimethyloctane
(b)   5-Ethyl-3-methylheptane
(c) 2,3,4-Trimethylheptane
 
1. a, c 2. a, b
3. b, c 4. Only b
Subtopic:  Nomenclature |
 65%
Level 2: 60%+
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The correct IUPAC name of the given compound is:

 

1. 6-Ethylhexan-3-ol
2. 2-Ethylhexan-4-ol
3. 3-Methyloctan-6-ol
4. 6-Methyloctan-3-ol
Subtopic:  Nomenclature |
 87%
Level 1: 80%+
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The IUPAC name of the given compound is:

 
1. Hexane-3,5-dione
2. Hexane-2,4-dione
3. Hex-2,4-dione
4. Hex-3,5-dione

Subtopic:  Nomenclature |
 73%
Level 2: 60%+
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The IUPAC name of the given compound is:



1. Hexa-1,3-dien-5-yne
2.
Hexa-3,5-dien-1-yne
3.
Hexa-1,3-en-5-yne
4. Hexane-1,3-dien-5-yne

Subtopic:  Nomenclature |
 74%
Level 2: 60%+
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Match the structures given in Column-I with the corresponding IUPAC names given in Column-II and choose the correct option.

Column-I Column-II
A. i. Pent-4-en-2-ol
B. ii.  Cyclohex-2-en-1-ol
C. iii. 6-Hydroxy-heptanal
D. iv. 2-Chlorohexane
E. v. 3- Nitrocyclohexene

1. A = iii; B = iv; C = v; D = ii; E = i
2. A = iii; B = iv; C = ii; D = v; E = i
3. A = iv; B = i; C = v; D = iii; E = ii
4. A = iv; B = i; C = ii; D = v; E = iii

Subtopic:  Nomenclature |
 93%
Level 1: 80%+
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Match the items in column I with the items in column II:

Column I
(IUPAC Name)
Column II
(Structure of compound)
a.  o-Ethylanisole i. 
b.  p-Nitroaniline ii. 
c.  2,3 - Dibromo -1 - phenyl pentane iii. 
d.  4-Ethyl-1-fluoro-2-nitrobenzene iv. 
The correct option is:
1. a = ii; b = iv; c = i; d = iii
2. a = ii; b = i; c = iv; d = iii
3. a = iv; b = i; c = ii; d = iii
4. a = ii; b = iii; c = iv; d = i
Subtopic:  Nomenclature |
 93%
Level 1: 80%+
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