Which of the following would exhibit cis-trans isomerism?

1. CH3CH2CH=CH2

2. ClCH=CHCl

3. ClCH=CCl2

4. CH2=CH-COOH

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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Level 1: 80%+
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In the hydrocarbon:
 

The state of hybridization of carbons 1,3 and 5 are in the following sequence:

1.  sp2, sp, sp3

2.  sp, sp3, sp2

3.  sp, sp2, sp3

4.  sp3, sp2, sp

Subtopic:  Alkanes, Alkenes and Alkynes - Conformations and Hybridisation |
 87%
Level 1: 80%+
AIPMT - 2008
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The reaction of C₆H₅CH = CHCH₃ with HBr gives:
1.
2.
3.
4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 83%
Level 1: 80%+
NEET - 2015
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The following reaction, is an example of:

C6H6 + CH3ClAlCl3AnhydrousC6H5CH3 + HCl

1. Friedel-Crafts reaction

2. Kolbe's synthesis

3. Wurtz's reaction

4. Grignard synthesis

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 96%
Level 1: 80%+
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Which one of the following compounds of the formula C4H8 does not decolorize bromine water?

1. But-1-ene

2. But-2-ene

3. Cyclobutane

4. 2-methyl propene

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 85%
Level 1: 80%+
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How many moles of H2 would be required to produce saturated hydrocarbon from a given compound?

1.  1

2.  4

3.  8

4.  5

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 87%
Level 1: 80%+
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Identify compounds x and y, respectively in the given reaction:

1.
2.
3.
4.
Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 90%
Level 1: 80%+
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Which one of the following pairs will be produced when Mg2C3 and CaC2 react with H2O respectively? 

1. Propyne and ethane 2. Propane and ethane
3. Propyne and ethyne 4. Ethene and ethyne
Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 81%
Level 1: 80%+
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Which of the following alkenes, on ozonolysis, yields methanal (HCHO) as one of the products?

1. 2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 86%
Level 1: 80%+
NEET - 2020
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Matching the following:

List-I (Compound) List-II (Characteristics)
a. Benzene  (i) Phosgene
b. Ethylene  (ii) Silver mirror
c. Acetaldehyde  (iii) Mustard gas
d. Chloroform (iv) (4n+2)π -electron
Codes:
(a) (b) (c) (d)
1. (iv) (iii) (i) (ii)
2. (iv) (iii) (ii) (i)
3. (iii) (iv) (ii) (i)
4. (ii) (i) (iv) (iii)
Subtopic:  Aromatic Hydrocarbons - Reactions & Mechanism |
 85%
Level 1: 80%+
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