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

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

1 Answer

Answer :

Alkanes
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

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

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

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.

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

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

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

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.

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

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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.

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

Last Answer : fatty acid.

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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

The high boiling points of alcohols, as compared to the corresponding alkanes, are due to (a) Hydrogen bonding (b) Heavy oxygen atom (c) Water solubility(d) None of these

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Last Answer : Hydrogen bonding

Which of the following show n→ ℿ * electronic transitions? a. Alcohols b. Ethers c.Alkanes d. Aldehydes

Description : Which of the following show n→ ℿ * electronic transitions? a. Alcohols b. Ethers c.Alkanes d. Aldehydes

Last Answer : d. Aldehydes

Members of which of the following classes of compounds generally produce acidic solutions when dissolved in water? w) metal oxides x) nonmetal oxides y) alcohols z) aldehydes

Description : Members of which of the following classes of compounds generally produce acidic solutions when dissolved in water? w) metal oxides x) nonmetal oxides y) alcohols z) aldehydes

Last Answer : ANSWER: X -- NONMETAL OXIDES

Which of the following compounds will react most readily with concentrated sulfuric acid? (a) Ethane (b) Cyclohexane (c) Propane (d) Cyclohexene

Description : Which of the following compounds will react most readily with concentrated sulfuric acid? (a) Ethane (b) Cyclohexane (c) Propane (d) Cyclohexene

Last Answer : Cyclohexene

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Last Answer : 2,3-dimethylbutane < 2-methylpentane < n-hexane

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Inert gases are (1) Miscible with water (2) Not stable (3) Chemically unreactive (4) Chemically very active

Description : Inert gases are (1) Miscible with water (2) Not stable (3) Chemically unreactive (4) Chemically very active

Last Answer : Chemically unreactive

The name of unreactive gas is (1) Carbon dioxide (2) Hydrogen (3) Nitrogen (4) Oxygen

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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

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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

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

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Aliphatic primary amines react with cold nitrous acid to form (a) Alcohols (b) Diazonium salts (c) Nitriles (d) Nitroalkanes

Description : Aliphatic primary amines react with cold nitrous acid to form (a) Alcohols (b) Diazonium salts (c) Nitriles (d) Nitroalkanes

Last Answer : Alcohols

Esters can be formed by nucleophilic substitution reactions of : (a) carboxylic acids and alcohols ; acid-catalyzed (b) acid chlorides and alcohols (c) both of the above (d) neither of the above

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Last Answer : both of the above

The acid-catalyzed dehydration mechanism for alcohols is best described as a(n) : (a) E1 . (b) E2 . (c) SN1 (d) SN2

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Last Answer : E1 .

What is the trade name for fuming sulfuric acid or smoked sulfuric acid ?

Description : What is the trade name for fuming sulfuric acid or smoked sulfuric acid ?

Last Answer : Answer : The trade name for fuming sulfuric acid or smoked sulfuric acid is olium.

What is the physical properties of sulfuric acid ?

Description : What is the physical properties of sulfuric acid ?

Last Answer : Pure sulfuric acid is a thick oily liquid , which is soluble in water in all proportions. When mixed with water, a lot of heat is emitted. When water is added to sulfuric acid, the water can explode in the ... stirring. If the mixture is too hot, wait. When it is cold, you have to add acid again.

Why is it not safe to add water directly to concentrated sulfuric acid ?

Description : Why is it not safe to add water directly to concentrated sulfuric acid ?

Last Answer : Sulfuric acid is a chemical compound. Whose chemical signal is H₂SO₄ . Pouring water with acid is not safe in case of concentrated H₂SO₄ acid dilution. This is because the concentrated H₂SO₄ acid is a ... dilute the acid, the acid is slowly poured into the water without adding water to the acid.

What is the sign of sulfuric acid ?

Last Answer : : Sulfuric acid signal : H2SO4

Pure Sulfuric Of acid The other Name What ?

Last Answer : Pure Sulfuric Of acid The other Name Sulfan 3

Oil of vitriol is - (1) nitric acid (2) sulfuric acid (3) hydrochloric acid (4) phosphoric acid

Description : Oil of vitriol is - (1) nitric acid (2) sulfuric acid (3) hydrochloric acid (4) phosphoric acid

Last Answer : (2) sulfuric acid Explanation: Sulfuric acid or was called "oil of vitriol" by medieval European alchemists because it was prepared by roasting "green vitriol" in an iron retort.

Oil of vitriol is - (1) nitric acid (2) sulfuric acid (3) hydrochloric acid (4) phosphoric acid

Description : Oil of vitriol is - (1) nitric acid (2) sulfuric acid (3) hydrochloric acid (4) phosphoric acid

Last Answer : (2) sulfuric acid Explanation: Sulfuric acid or H2SO4 was called “oil of vitriol” by medieval European alchemists because it was prepared by roasting “green vitriol” in an iron retort.

When aniline is heated with glycerol in the presence of sulfuric acid and nitrobenzene, it gives quinoline. This reaction in called (a) Fischer synthesis (b) Skraup synthesis (c) Diazotization (d) Corey-House synthesis

Description : When aniline is heated with glycerol in the presence of sulfuric acid and nitrobenzene, it gives quinoline. This reaction in called (a) Fischer synthesis (b) Skraup synthesis (c) Diazotization (d) Corey-House synthesis

Last Answer : Skraup synthesis

Aspirin is produced by heating salicylic acid with (a) acetic anhydride in the presence of phosphoric acid (b) benzoic anhydride in the presence of phosphoric acid (c) methyl alcohol in the presence of sulfuric acid (d) phenol in the presence of sulfuric acid

Description : Aspirin is produced by heating salicylic acid with (a) acetic anhydride in the presence of phosphoric acid (b) benzoic anhydride in the presence of phosphoric acid (c) methyl alcohol in the presence of sulfuric acid (d) phenol in the presence of sulfuric acid

Last Answer : acetic anhydride in the presence of phosphoric acid

Benzaldehyde reacts with a mixture of concentrated sulfuric acid and nitric acid to give (a) p-Nitrobenzaldehyde (b) o-Nitrobenzaldehyde (c) p-Nitrobenzoic acid (d) m-Nitrobenzaldehyde

Description : Benzaldehyde reacts with a mixture of concentrated sulfuric acid and nitric acid to give (a) p-Nitrobenzaldehyde (b) o-Nitrobenzaldehyde (c) p-Nitrobenzoic acid (d) m-Nitrobenzaldehyde

Last Answer : m-Nitrobenzaldehyde

A compound of formula C6H12 does not react with concentrated sulfuric acid. The compound could be (a) Alkane (b) Cycloalkane (c) Alkene (d) Cycloalkene

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Last Answer : Cycloalkane

By which of the following methods can CH3CONH2 be converted to CH3CN? (a) Oxidize with Na2Cr2O7/H+ (b) Heat with concentrated sulfuric acid (c) Heat to 200°C (d) Warm with P2O5

Description : By which of the following methods can CH3CONH2 be converted to CH3CN? (a) Oxidize with Na2Cr2O7/H+ (b) Heat with concentrated sulfuric acid (c) Heat to 200°C (d) Warm with P2O5

Last Answer : Warm with P2O5

Acetylene reacts with water in the presence of sulfuric acid and mercuric sulfate to give (a) Acetone (b) Acetic acid (c) Formaldehyde (d) Acetaldehyde

Description : Acetylene reacts with water in the presence of sulfuric acid and mercuric sulfate to give (a) Acetone (b) Acetic acid (c) Formaldehyde (d) Acetaldehyde

Last Answer : Acetaldehyde

In the reaction of ethylene with H2O in the presence of sulfuric acid, which one adds across the double bond first? (a) H+ (b) H. (c) HO– (d) sulfate ion

Description : In the reaction of ethylene with H2O in the presence of sulfuric acid, which one adds across the double bond first? (a) H+ (b) H. (c) HO– (d) sulfate ion

Last Answer : H+

Which compound is responsible for the rotten egg smell? w) sulfuric acid x) putrescine y) hydrogen sulfide z) sulfur dioxide

Description : Which compound is responsible for the rotten egg smell? w) sulfuric acid x) putrescine y) hydrogen sulfide z) sulfur dioxide

Last Answer : ANSWER: Y -- HYDROGEN SULFIDE (NOTE: putrescine is a real compounz)

Which of the following substances would be the best choice to neutralize sulfuric acid? w) sodium hydroxide x) silicon dioxide y) copper metal z) phosphorus pentoxide

Description : Which of the following substances would be the best choice to neutralize sulfuric acid? w) sodium hydroxide x) silicon dioxide y) copper metal z) phosphorus pentoxide

Last Answer : ANSWER: W -- SODIUM HYDROXIDE

Which of the following is NOT an organic acid? w) butyric (pron: byu-TEER-ik) x) sulfuric y) acetic z) citric

Description : Which of the following is NOT an organic acid? w) butyric (pron: byu-TEER-ik) x) sulfuric y) acetic z) citric

Last Answer : ANSWER: X -- SULFURIC