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

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

1 Answer

Answer :

Alkenes
by

Related questions

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

Description : 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

Last Answer : ANSWER: B -- ALKANES AND CYCLOALKANES

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

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

Description : 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

Last Answer : ANSWER: W -- ALKENES

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

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

Last Answer : (3) Alkanes Explanation: Carbon compounds which contain just carbon and hydrogen are called hydrocarbons. Among these, the saturated hydrocarbons are called alkanes. The unsaturated hydrocarbons which contain one or more double bonds are called alkenes.

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

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

Last Answer : Alkanes

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

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

Last Answer : ANSWER: Y -- ALKYNES

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

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

Last Answer : ANSWER: W -- ALKANES

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

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

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.

Description : Compare the characteristics of alkanes, alkenes and alkynes.

Last Answer : Alkanes Alkynes They are saturated They are unsaturated They are unsaturated Their general formula is C n H 2n+2 Their general formula is C n H 2n Their general formula is C n H 2n-2 They have ... ene' They have triple bond between one of the carbon atoms. Their names end with yne'

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.

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.

How many distinct internal alkynes exist with a molecular formula of C6H10? (a) 1 (b) 2 (c) 3 (d) 4

Description : How many distinct internal alkynes exist with a molecular formula of C6H10? (a) 1 (b) 2 (c) 3 (d) 4

Last Answer : 3

How many distinct terminal alkynes exist with a molecular formula of C5H8? (a) 1(b) 2 (c) 3 (d) 4

Description : How many distinct terminal alkynes exist with a molecular formula of C5H8? (a) 1 (b) 2 (c) 3 (d) 4

Last Answer : 2

Mention the differences between alkenes and Cycloalkanes.

Description : Mention the differences between alkenes and Cycloalkanes.

Last 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

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

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

Last Answer : Proteins

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

Description : 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 ... (a) I and III (b) II and IV (c) I and IV (d) II and III

Last Answer : I and III

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)

Description : 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)

Last Answer : ANSWER: X -- ALCOHOLS

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.

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

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

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

How many alkanes (only structural isomers) are possible with the molecular formula `C_(4)H_(8)`

Description : How many alkanes (only structural isomers) are possible with the molecular formula `C_(4)H_(8)`

Last Answer : How many alkanes (only structural isomers) are possible with the molecular formula `C_(4)H_(8)` A. 4 B. 3 C. 5 D. 6

As the molecular weight of alkanes increases, how do the boiling point and melting point change? (a) boiling point increases ; melting point increases. (b) boiling point increases ; melting point increases. (c) boiling point increases ; melting point decreases (d) boiling point increases ; melting point increases sequentially for alkanes over four carbons.

Description : As the molecular weight of alkanes increases, how do the boiling point and melting point change? (a) boiling point increases ; melting point increases. (b) boiling point increases ; ... decreases (d) boiling point increases ; melting point increases sequentially for alkanes over four carbons.

Last Answer : boiling point increases ; melting point increases sequentially for alkanes over four carbons.

Write the structural formula of the first member of Cycloalkanes.

Description : Write the structural formula of the first member of Cycloalkanes.

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

The general formula of alkynes is

Description : The general formula of alkynes is

Last Answer : C n H 2n-2

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

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

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

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

Last Answer : cyclohexane < cyclopentane < cyclobutane < cyclopropane

The general formula of alkanes is

Description : The general formula of alkanes is

Last Answer : C n H 2n+2

In the addition of hydrogen bromide to alkynes, which of the following species is believed to be an intermediate? (a) vinyl anion (b) vinyl cation (c) vinyl radical (d) carbene

Description : In the addition of hydrogen bromide to alkynes, which of the following species is believed to be an intermediate? (a) vinyl anion (b) vinyl cation (c) vinyl radical (d) carbene

Last Answer : vinyl cation

Compounds with the same molecular formula but different structural formulas are called (a) Alkoxides (b) Iso compounds (c) Isomers (d) Ortho compounds

Description : Compounds with the same molecular formula but different structural formulas are called (a) Alkoxides (b) Iso compounds (c) Isomers (d) Ortho compounds

Last Answer : Isomers

The isomers of a substance must have (a) same chemical properties (b) same molecular weight (c) same structural formula (d) same functional groups

Description : The isomers of a substance must have (a) same chemical properties (b) same molecular weight (c) same structural formula (d) same functional groups

Last Answer : same molecular weight

If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986] (A) Different percentage composition (B) Different molecular weights (C) Same viscosity (D) Same vapour density

Description : If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986] (A) Different percentage composition (B) Different molecular weights (C) Same viscosity (D) Same vapour density

Last Answer : (B) Different molecular weights

Compounds of the same atomic content and molecular formula but with differing structures are called what?

Description : Compounds of the same atomic content and molecular formula but with differing structures are called what?

Last Answer : ANSWER: ISOMERS

What are Cycloalkanes?

Description : What are Cycloalkanes?

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

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.

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

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

Last Answer : Oxonium salts

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.

Description : 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.

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

Description : 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

Last Answer : (CH3)2C=CHCH2CH3

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

Description : 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

Last Answer : 2-Butene

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

Description : 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

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

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

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

Last Answer : carbon tetrachloride

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 

Do alkynes conduct electricity?

Description : Do alkynes conduct electricity?

Last Answer : Feel Free to Answer

What are alkynes?

Description : What are alkynes?

Last Answer : Alkynes are unsaturated hydrocarbons that contain one triple bond between carbon atoms. The name of these hydrocarbons end with ‘yne’. Their general formula is C n H 2n-2