Mention the differences between alkenes and Cycloalkanes.

Mention the differences between alkenes and Cycloalkanes.
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1 Answer

Answer :

Alkenes

1. They are unsaturated

2. They have double bond between

carbon atoms

3. Their name end with ‘ene’.

4. They are acyclic.

Cycloalkanes

1. They are saturated

2. They have single bond between

carbon atoms.

3. Their names end with ‘ane’

4. They are cyclic
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Related questions

Even though alkenes and Cycloalkanes have the same general formula, they are different. How?

Description : Even though alkenes and Cycloalkanes have the same general formula, they are different. How?

Last Answer : Alkenes are unsaturated where as Cycloalkanes are saturated.

Give reason: Alkenes and Cycloalkanes have same general formula.

Description : Give reason: Alkenes and Cycloalkanes have same general formula.

Last Answer : Alkenes and Cycloalkanes have same general formula because they have double bond between carbon atoms.

Cycloalkanes have the same molecular formula as : (a) Alkanes (b) Alkenes (c) Alkynes (d) Cycloalkenes

Description : Cycloalkanes have the same molecular formula as : (a) Alkanes (b) Alkenes (c) Alkynes (d) Cycloalkenes

Last Answer : Alkenes

A family of organic compounds containing only carb and hydrogen and having only single bonds are the: w) alkenes and alkanes x) alkanes and cycloalkanes y) alkynes (pron: AL-kines) and alkenes z) cycloalkanes and alkenes

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Last Answer : ANSWER: B -- ALKANES AND CYCLOALKANES

A family of organic compounds whose molecules will add water under an acid catalysis and change into alcohols are the: w) alkenes x) alkanes y) aromatic hydrocarbons z) cycloalkanes

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Last Answer : ANSWER: W -- ALKENES

Which of the following contain sp2 hybridized carbon atoms? w) alkanes x) alkenes y) alkynes z) cycloalkanes

Description : Which of the following contain sp2 hybridized carbon atoms? w) alkanes x) alkenes y) alkynes z) cycloalkanes

Last Answer : ANSWER: X -- ALKENES

Write the structural formula of the first member of Cycloalkanes.

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Last Answer : The first member of the Cycloalkanes is cyclopropane (C3H6). Its structure is

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Last Answer : Cycloalkanes are closed chain saturated hydrocarbons having one ring and the general formula C n H 2n .

Which of the cycloalkanes is not expected to have ring strain? (a) Cyclopropane (b) Cyclobutane (c) Cycloheptane (d) None of these

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Last Answer : Cycloheptane

Which of the following cycloalkanes is most reactive? (a) Cyclopropane (b) Cyclohexane (c) Cyclobutane (d) Cycloheptane

Description : Which of the following cycloalkanes is most reactive? (a) Cyclopropane (b) Cyclohexane (c) Cyclobutane (d) Cycloheptane

Last Answer : Cyclopropane

Which of the following correctly ranks the cycloalkanes in order of increasing ring strain per methylene? (a) cyclopropane < cyclobutane < cyclohexane < cycloheptane (b) cyclohexane < cyclopentane < cyclobutane < cyclopropane (c) cyclopentane < cyclobutane < cyclopentane < cyclopropane (d) cyclopentane < cyclopropane < cyclobutane < cyclohexane

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Last Answer : cyclohexane < cyclopentane < cyclobutane < cyclopropane

What is another name of Alkenes?

Description : What is another name of Alkenes?

Last Answer : Olefins

Long chain alkanes or alkenes containing terminal carboxylic acid ( – COOH) are called

Description : Long chain alkanes or alkenes containing terminal carboxylic acid ( – COOH) are called

Last Answer : fatty acid.

Alkenes are referred to as

Description : Alkenes are referred to as

Last Answer : olefins.

Give reason: Alkanes undergo only substitution reactions but alkenes and alkynes undergo both substitution and addition reactions.

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Last Answer : Alkenes and alkynes have double and triple bonds, which on breaking can add hydrogen atoms to satisfy the valency.

Compare the characteristics of alkanes, alkenes and alkynes.

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How is double bond formed in alkenes?

Description : How is double bond formed in alkenes?

Last Answer : In alkenes, two hydrogen atoms are less when compared to the saturated hydrocarbons. The two of the carbon atoms in the molecule is joined together by two covalent bonds. Thus a double bond is formed.

What are alkenes?

Description : What are alkenes?

Last Answer : Alkenes are unsaturated hydrocarbons in which the two carbon atoms are connected by double bond. The name of these hydrocarbons end with ‘ene’. Their general formula is C n H 2n . They are referred to as olefins. Ex: Ethene, Propene, Butene etc

Why Alkenes Are Called Paraffin ?

Description : Why Alkenes Are Called Paraffin ?

Last Answer : CnH2n + 2 . The word 'paraffin' is a combination of the Greek words ' parum' and 'affinis' . 'Parum' means a little and 'affinis' means affinity . Thus paraffin means a compound with 'mild ... is, the carbon chain is saturated. This is why alkene is chemically less active and is called paraffin.

Reactivity order of the following alkenes for hydrochlorination (HCl) is (I) `CH_(2) = CH - Cl` (II) `(CH_(3))_(2)C=CH_(2)` (III) `CH_(2) = CH - CHO`

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How many structural isomeric alkenes are possible with molecular formula `C_(5)H_(10)` that does not show geometrical isomerism

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Last Answer : How many structural isomeric alkenes are possible with molecular formula `C_(5)H_(10)` that does not show geometrical isomerism A. 2 B. 4 C. 5 D. 3

(mixture of alkenes) `overset((i) O_(3))underset((ii) Zn//H_(2)O)to` (mixture of carbonyl compounds). The incorrect statement is

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(mixture of alkenes) `overset((i) O_(3))underset((ii) Zn//H_(2)O)to` (mixture of carbonyl compounds). The incorrect statement is

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Which of the following alkenes when passed through conc. `H_(2)SO_(4)` followed by hydrolysis with boiling water would give tert-butyl alcohol

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Saturated hydrocarbons are called - (1) Alkynes (2) Alkenes (3) Alkanes (4) All of the above

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Ninhydrin test is given by (a) Carbohydrates (b) Proteins (c) Alkanes (d) Alkenes

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Ethers react with cold concentrated H2SO4 to form (a) Oxonium salts (b) Alkenes (c) Alkoxides (d) Zwitterions

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Which brief statement most accurately describes why alkenes react the way they do? (a) C=C double bonds are weak. (b) A π bond is lost but a stronger σ bond is gained. (c) C=C double bonds are unstable. (d) C=C π bonds are attacked by nucleophiles.

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Last Answer : A π bond is lost but a stronger σ bond is gained.

Predict which of the following alkenes reacts the fastest with HCl? (a) CH3CH2CH2CH2CH=CH2 (b) cis-CH3CH2CH=CHCH2CH3 (c) trans-CH3CH2CH=CHCH2CH3 (d) (CH3)2C=CHCH2CH3

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Last Answer : (CH3)2C=CHCH2CH3

Which of the following statements about alkenes and alkynes is correct? (a) Alkynes are reduced more readily than alkenes. (b) Alkynes are reduced less readily than alkenes. (c) Alkynes and alkenes are reduced with equal speed. (d) Alkynes and alkenes can not be reduced.

Description : Which of the following statements about alkenes and alkynes is correct? (a) Alkynes are reduced more readily than alkenes. (b) Alkynes are reduced less readily than alkenes. (c) Alkynes and alkenes are reduced with equal speed. (d) Alkynes and alkenes can not be reduced.

Last Answer : Alkynes are reduced more readily than alkenes.

Which of the following statements correctly describes the general reactivity of alkynes? (a) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile. (b) The σ bonds of alkynes are higher in energy than the bonds and are thus more reactive. (c) Unlike alkenes, alkynes fail to undergo electrophilic addition reactions. (d) Alkynes are generally more reactive than alkenes.

Description : Which of the following statements correctly describes the general reactivity of alkynes? (a) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile. (b) The σ bonds ... fail to undergo electrophilic addition reactions. (d) Alkynes are generally more reactive than alkenes.

Last Answer : Alkynes are generally more reactive than alkenes.

Which of the following alkenes will give a mixture of acetone and acetaldehyde an ozonolysis? (a) 1-butene (b) 2-methyl-2-butene (c) 2-butene (d) 2-methylpropene

Description : Which of the following alkenes will give a mixture of acetone and acetaldehyde an ozonolysis? (a) 1-butene (b) 2-methyl-2-butene (c) 2-butene (d) 2-methylpropene

Last Answer : 2-methyl-2-butene

Which of the following alkenes will give a mixture of acetone and formaldehyde on ozonolysis? (a) 2-butene (b) 2-methyl-2-butene (c) 1-butene (d) 2-methylpropene

Description : Which of the following alkenes will give a mixture of acetone and formaldehyde on ozonolysis? (a) 2-butene (b) 2-methyl-2-butene (c) 1-butene (d) 2-methylpropene

Last Answer : 2-methylpropene

Which of the following alkenes gives only acetic acid on oxidation with hot concentrated KMnO4. (a) Ethylene (b) 1-Butene (c) Propene (d) 2-Butene

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Which of the following alkenes reacts with HBr in the presence of a peroxide to give anti-Markovnikov's product? (a) 1-Butene (b) 2,3-Dimethyl-2-butene (c) 2-Butene (d) 3-Hexene

Description : Which of the following alkenes reacts with HBr in the presence of a peroxide to give anti-Markovnikov's product? (a) 1-Butene (b) 2,3-Dimethyl-2-butene (c) 2-Butene (d) 3-Hexene

Last Answer : 1-Butene

Why do trans isomers of alkenes have lower boiling points than cis isomers? (a) trans isomers have better symmetry (b) cis isomers have better symmetry (c) trans isomers are less polar (d) cis isomers are less polar

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Last Answer : trans isomers are less polar

How do the melting points of trans isomers compare to the cis isomers for alkenes? (a) cis isomers have higher melting points (b) trans isomers have higher melting points (c) both have similar melting points (d) no consistent trend is observed

Description : How do the melting points of trans isomers compare to the cis isomers for alkenes? (a) cis isomers have higher melting points (b) trans isomers have higher melting points (c) both have similar melting points (d) no consistent trend is observed

Last Answer : trans isomers have higher melting points

Which statements about alkenes and alkanes of corresponding chain lengths is true? (I) Alkenes have slightly lower melting points than alkanes (II) Alkenes have slightly higher melting points than alkanes (III) Alkenes have higher boiling points than alkanes (IV) Alkenes have lower boiling points than alkanes (a) I and III (b) II and IV (c) I and IV (d) II and III

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Last Answer : I and III

. In which solvent are alkenes most soluble? (a) water (b) ethyl alcohol (c) ammonia (d) carbon tetrachloride

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Last Answer : carbon tetrachloride

Which of the following classes of compounds is unreactive toward sulfuric acid? (a) Alkanes (b) Alcohols (c) Alkenes (d) Alkynes

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Alkenes show geometrical isomerism due to : (a) Asymmetry (b) Rotation around a single bond (c) Resonance (d) Restricted rotation around a double bond

Description : Alkenes show geometrical isomerism due to : (a) Asymmetry (b) Rotation around a single bond (c) Resonance (d) Restricted rotation around a double bond

Last Answer : Restricted rotation around a double bond

What are alkenes having two double bonds separated by one single bond known as?

Description : What are alkenes having two double bonds separated by one single bond known as?

Last Answer : ANSWER: CONJUGATED DIENES 

Which of the following group of compounds is most soluble in water? w) alkanes (pron: ak-KANES) x) alcohols y) aldehydes (pron: al-deh-HIDES) z) alkenes (pron: al-KEENS)

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Last Answer : ANSWER: X -- ALCOHOLS

Hydrocarbons that contain a triple bond between carbon atoms are known as: w) alkenes x) alkanes y) alkynes z) polymers

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Which of the following are saturated aliphatic hydrocarbons? w) alkanes x) alkenes y) alkynes z) nixanes

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