Oxidation of acetaldehyde with Na2Cr2O7/H+ gives (a) Ethylene glycol (b) Acetic acid (c) Ethanol (d) Acetone

Oxidation of acetaldehyde with Na2Cr2O7/H+ gives
(a) Ethylene glycol
(b) Acetic acid
(c) Ethanol
(d) Acetone
by

1 Answer

Answer :

Acetic acid
by

Related questions

Ethylene glycol undergoes oxidation with hot acidic KMnO4 to form : (a) Formic acid (b) Formaldehyde(c) Acetic acid(d) Acetaldehyde

Description : Ethylene glycol undergoes oxidation with hot acidic KMnO4 to form : (a) Formic acid (b) Formaldehyde (c) Acetic acid (d) Acetaldehyde

Last Answer : Formic acid

Reduction of acetaldehyde with H2/Ni gives (a) Ethyl alcohol (b) Acetic acid (c) Ethylene (d) Ethane

Description : Reduction of acetaldehyde with H2/Ni gives (a) Ethyl alcohol (b) Acetic acid (c) Ethylene (d) Ethane

Last Answer : Ethyl alcohol

. Isopropyl alcohol reacts with acidic sodium dichromate to give (a) Acetaldehyde (b) Acetic acid (c) Propionic acid (d) Acetone

Description : Isopropyl alcohol reacts with acidic sodium dichromate to give (a) Acetaldehyde (b) Acetic acid (c) Propionic acid (d) Acetone

Last Answer : Acetone

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

Which of the following compounds will react with methylmagnesium iodide followed by acid-hydrolysis to give ethyl alcohol? (a) Ethylene (b) Acetaldehyde (c) Formaldehyde (d) Acetone

Description : Which of the following compounds will react with methylmagnesium iodide followed by acid-hydrolysis to give ethyl alcohol? (a) Ethylene (b) Acetaldehyde (c) Formaldehyde (d) Acetone

Last Answer : Formaldehyde

Vitamin required for metabolism of diols e.g. conversion of ethylene glycol to acetaldehyde is (A) Thiamin (B) Cobalamin (C) Pyridoxine (D) Folic acid

Description : Vitamin required for metabolism of diols e.g. conversion of ethylene glycol to acetaldehyde is (A) Thiamin (B) Cobalamin (C) Pyridoxine (D) Folic acid

Last Answer : Answer : B

Chemical name of vinegar is - (1) Acetone (2) Acetic acid (3) Formaldehyde (4) Ethanol

Description : Chemical name of vinegar is - (1) Acetone (2) Acetic acid (3) Formaldehyde (4) Ethanol

Last Answer : (2) Acetic acid Explanation: Vinegar is roughly 3-9% acetic acid CH3COOH) by volume, making acetic acid the main component of vinegar apart from water. The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria. Vinegar is mainly used as a cooking ingredient, or in pickling.

Chemical name of vinegar is (1) Acetone (2) Acetic acid (3) Formaldehyde (4) Ethanol

Description : Chemical name of vinegar is (1) Acetone (2) Acetic acid (3) Formaldehyde (4) Ethanol

Last Answer : Acetic acid

Ethylene oxide undergoes acid-hydrolysis to form (a) Ethylene glycol (b) Formic acid (c) Ethyl alcohol (d) Acetic acid

Description : Ethylene oxide undergoes acid-hydrolysis to form (a) Ethylene glycol (b) Formic acid (c) Ethyl alcohol (d) Acetic acid

Last Answer : Ethylene glycol

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

Ethyl alcohol reacts with concentrated H2SO4 at 140°C to form (a) Acetone (b) Ethylene (c) Diethyl ether (d) Acetic acid

Description : Ethyl alcohol reacts with concentrated H2SO4 at 140°C to form (a) Acetone (b) Ethylene (c) Diethyl ether (d) Acetic acid

Last Answer : Diethyl ether

Chemically, fats are esters of long carbon-chain acids and which of the following: w) ethanol x) glycerol y) ethylene glycol z) sodium hydroxide

Description : Chemically, fats are esters of long carbon-chain acids and which of the following: w) ethanol x) glycerol y) ethylene glycol z) sodium hydroxide

Last Answer : ANSWER: X -- GLYCEROL

Acetamide on reduction with LiAlH4 gives (a) Acetaldehyde (b) Ethylamine (c) Acetone(d) Methylamine

Description : Acetamide on reduction with LiAlH4 gives (a) Acetaldehyde (b) Ethylamine (c) Acetone (d) Methylamine

Last Answer : Ethylamine

Isopropyl alcohol can be converted to acetone by treatment with (a) HCl/ZnCl2 (b) Na2Cr2O7/H2SO4 (c) NaOH (d) LiAlH4

Description : Isopropyl alcohol can be converted to acetone by treatment with (a) HCl/ZnCl2 (b) Na2Cr2O7/H2SO4 (c) NaOH (d) LiAlH4

Last Answer : Na2Cr2O7/H2SO4

Distinguish between : (i) Acetaldehyde and acetone (ii) Methanoic acid and Ethanoic acid.

Description : Distinguish between : (i) Acetaldehyde and acetone (ii) Methanoic acid and Ethanoic acid.

Last Answer : (i) Acetaldehyde will give positive tests with Tollen’s reagent and Fehling Solns. whereas acetone will not give these test. (ii) Methanoic acid gives Tollen’s reagent test whereas ethanoic acid does not due to difference in their boiling points.

Naphthalene undergoes oxidation with Na2Cr2O7 / H2SO4 to form (a) Phthalic acid (b) Phenylacetic acid (c) Tetralin (d) Benzoic acid

Description : Naphthalene undergoes oxidation with Na2Cr2O7 / H2SO4 to form (a) Phthalic acid (b) Phenylacetic acid (c) Tetralin (d) Benzoic acid

Last Answer : Phthalic acid

Aniline undergoes oxidation with Na2Cr2O7/H2SO4 to give (a) Schiff's base (b) p-Benzoquinone (c) Phenol (d) Benzoic acid

Description : Aniline undergoes oxidation with Na2Cr2O7/H2SO4 to give (a) Schiff's base (b) p-Benzoquinone (c) Phenol (d) Benzoic acid

Last Answer : p-Benzoquinone

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

Which of the following compounds will react with methylmagnesium bromide to give tert-butyl alcohol? (a) Acetyl chloride (b) Acetone (c) Isopropyl alcohol (d) Acetaldehyde

Description : Which of the following compounds will react with methylmagnesium bromide to give tert-butyl alcohol? (a) Acetyl chloride (b) Acetone (c) Isopropyl alcohol (d) Acetaldehyde

Last Answer : Acetone

Propyne reacts with aqueous H2SO4 in the presence of HgSO4 to form (a) acetone (b) 1-propanol (c) acetaldehyde (d) 2-propanol

Description : Propyne reacts with aqueous H2SO4 in the presence of HgSO4 to form (a) acetone (b) 1-propanol (c) acetaldehyde (d) 2-propanol

Last Answer : acetone

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

Ethanol on heating with concentrated H2SO4 at 170°C gives (a) ethylene (b) ethyl hydrogen sulfate (c) diethyl ether (d) diethyl sulfate

Description : Ethanol on heating with concentrated H2SO4 at 170°C gives (a) ethylene (b) ethyl hydrogen sulfate (c) diethyl ether (d) diethyl sulfate

Last Answer : ethylene

Teryleneisa condensation polymer of ethylene glycol and which acid? (1) Benzoic Acid (2) Salicylic acid (3) Phthalic acid (4) Terephthalic acid

Description : Teryleneisa condensation polymer of ethylene glycol and which acid? (1) Benzoic Acid (2) Salicylic acid (3) Phthalic acid (4) Terephthalic acid

Last Answer : (4) Terephthalic acid Explanation: Terylene is a co-polymer of ethylene glycol and Terephthalic acid. Also known as Dacron, it is prepared by the condensation polymerization of ethylene glycerol and. ... in the presence of a catalyst consisting of a mixture of zinc acetate and antimony trioxide.

The monomers for Buna-S are 1,3-butadiene and (a) Ethylene glycol (b) Adipic acid (c) Styrene (d) Caprolactum

Description : The monomers for Buna-S are 1,3-butadiene and (a) Ethylene glycol (b) Adipic acid (c) Styrene (d) Caprolactum

Last Answer : Styrene

Bakelite is obtained from : (a) Phenol and formaldehyde (b) Adipic acid and hexamethylene diamine (c) Dimethyl terephthalate and ethylene glycol (d) Neoprene

Description : Bakelite is obtained from : (a) Phenol and formaldehyde (b) Adipic acid and hexamethylene diamine (c) Dimethyl terephthalate and ethylene glycol (d) Neoprene

Last Answer : Phenol and formaldehyde

Which of the following is used as an antifreeze? (a) Ethylene glycol (b) Glycerol (c) Diethyl ether (d) Picric acid

Description : Which of the following is used as an antifreeze? (a) Ethylene glycol (b) Glycerol (c) Diethyl ether (d) Picric acid

Last Answer : Ethylene glycol

When ethylene glycol is heated with concentrated HNO3, it forms (a) Oxalic acid (b) Ethylene oxide (c) Dioxane (d) Diethylene glycol

Description : When ethylene glycol is heated with concentrated HNO3, it forms (a) Oxalic acid (b) Ethylene oxide (c) Dioxane (d) Diethylene glycol

Last Answer : Oxalic acid

Terylene is a condensation polymer of ethylene glycol and which acid? (1) Benzoic Acid (2) Salicylic acid (3) Phthalic acid (4) Terephthalic acid

Description : Terylene is a condensation polymer of ethylene glycol and which acid? (1) Benzoic Acid (2) Salicylic acid (3) Phthalic acid (4) Terephthalic acid

Last Answer : Terephthalic acid

Nail polish remover contains? (1) benzene (2) acetic acid (3) acetone (4) petroleum ether

Description : Nail polish remover contains? (1) benzene (2) acetic acid (3) acetone (4) petroleum ether

Last Answer : (3) Acetone Explanation: Acetone can remove artificial nails made of acrylic or cured gel. A less harsh nail polish remover is ethyl acetate, which often also contains isopropyl alcohol. Ethyl acetate is usually the original solvent for nail polish itself.

Nail polish remover contains? (1) Benzene (2) acetic acid (3) acetone (4) petroleum ether

Description : Nail polish remover contains? (1) Benzene (2) acetic acid (3) acetone (4) petroleum ether

Last Answer : (3) acetone Explanation: Acetone can remove artificial nails made of acrylic or cured gel. A less harsh nail polish remover is ethyl acetate, which often also contains isopropyl alcohol. Ethyl acetate is usually the original solvent for nail polish itself.

Keto-enol tautomerism is shown by (a) Benzaldehyde (b) Acetone (c) Benzophenone (d) Acetic acid

Description : Keto-enol tautomerism is shown by (a) Benzaldehyde (b) Acetone (c) Benzophenone (d) Acetic acid

Last Answer : Acetone

Which of the following compounds on treatment with NaHCO3 will liberate CO2? (a) Acetic acid (b) Ethylamine (c) Acetone (d) Ethyl alcohol

Description : Which of the following compounds on treatment with NaHCO3 will liberate CO2? (a) Acetic acid (b) Ethylamine (c) Acetone (d) Ethyl alcohol

Last Answer : Acetic acid

Which of the following compounds will react with Tollens' reagent to give metallic silver? (a) Formic acid (b) Ethyl alcohol (c) Acetic acid (d) Acetone

Description : Which of the following compounds will react with Tollens' reagent to give metallic silver? (a) Formic acid (b) Ethyl alcohol (c) Acetic acid (d) Acetone

Last Answer : Formic acid

Which of the following will give acetic acid on acid-hydrolysis? (a) Ethyl acetate (b) Acetone (c) Methyl propionate (d) Lactic acid

Description : Which of the following will give acetic acid on acid-hydrolysis? (a) Ethyl acetate (b) Acetone (c) Methyl propionate (d) Lactic acid

Last Answer : Ethyl acetate

Which of the following compounds will give a positive test with Fehling's solution? (a) Formaldehyde (b) Acetone (c) Ethyl acetate (d) Acetic acid

Description : Which of the following compounds will give a positive test with Fehling's solution? (a) Formaldehyde (b) Acetone (c) Ethyl acetate (d) Acetic acid

Last Answer : Formaldehyde

Which of the following is a planar molecule? (a) Formaldehyde (b) Acetone (c) Formic acid (d) Acetic acid

Description : Which of the following is a planar molecule? (a) Formaldehyde (b) Acetone (c) Formic acid (d) Acetic acid

Last Answer : Formaldehyde

Which of the following is present in Nail polish remover? (1) Citric acid (2) Acetone (3) Ethylene (4) Benzene

Description : Which of the following is present in Nail polish remover? (1) Citric acid (2) Acetone (3) Ethylene (4) Benzene

Last Answer : (2) Acetone Explanation: Acetone can also remove artificial nails made of acrylic or cured gel. An alternative nail polish remover is ethyl acetate, which often also contains isopropyl alcohol.

1,2-Ethanediol reacts with anhydrous zinc chloride to form (a) Ethylene (b) Acetaldehyde (c) Acetylene (d) Ethyl chloride

Description : 1,2-Ethanediol reacts with anhydrous zinc chloride to form (a) Ethylene (b) Acetaldehyde (c) Acetylene (d) Ethyl chloride

Last Answer : Acetaldehyde

Which of the following compounds will give only acetaldehyde on ozonolysis? (a) 1-Butene (b) Acetylene (c) 2-Butene (d) Ethylene

Description : Which of the following compounds will give only acetaldehyde on ozonolysis? (a) 1-Butene (b) Acetylene (c) 2-Butene (d) Ethylene

Last Answer : 2-Butene

Nylon-66 is manufactured from (A) Adipic acid and Hexamethylene diamine (B) Caprolactam (C) Maleic anhydride and Hexamethylene diamine (D) Dimethyl terephthalate (DMT) and ethylene glycol

Description : Nylon-66 is manufactured from (A) Adipic acid and Hexamethylene diamine (B) Caprolactam (C) Maleic anhydride and Hexamethylene diamine (D) Dimethyl terephthalate (DMT) and ethylene glycol

Last Answer : (A) Adipic acid and Hexamethylene diamine

Dacron is a (A) Condensation polymerisation product of Hexamethylene diamine and adipic acid (B) Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol (C) Thermosetting material (D) None of these

Description : Dacron is a (A) Condensation polymerisation product of Hexamethylene diamine and adipic acid (B) Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol (C) Thermosetting material (D) None of these

Last Answer : (D) None of these

Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? (A) Ethylene glycol (B) Stearic acid estors (C) Tricresyl phosphate (D) Esters of phthalic acid

Description : Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? (A) Ethylene glycol (B) Stearic acid estors (C) Tricresyl phosphate (D) Esters of phthalic acid

Last Answer : (A) Ethylene glycol

Synthetic polymer produced by using terephthalic acid and ethylene glycol is (A) Terylene (B) Nylon-66 (C) PVC (D) Polystyrene

Description : Synthetic polymer produced by using terephthalic acid and ethylene glycol is (A) Terylene (B) Nylon-66 (C) PVC (D) Polystyrene

Last Answer : (A) Terylene

Nylon-66 is manufactured from (A) Hexamethylene diamine and adipic acid (B) Hexamethylene diamine and Maleic anhydride (C) Caprolactam (D) Dimethyl terephthalate and ethylene glycol

Description : Nylon-66 is manufactured from (A) Hexamethylene diamine and adipic acid (B) Hexamethylene diamine and Maleic anhydride (C) Caprolactam (D) Dimethyl terephthalate and ethylene glycol

Last Answer : (A) Hexamethylene diamine and adipic acid

Dacron is a (A) Condensation product of Hexamethylene diamine and adipic acid (B) Thermosetting material (C) Condensation product of dimethyl terephthalate and ethylene glycol (D) None of these

Description : Dacron is a (A) Condensation product of Hexamethylene diamine and adipic acid (B) Thermosetting material (C) Condensation product of dimethyl terephthalate and ethylene glycol (D) None of these

Last Answer : (D) None of these

Which is Known as carbolic acid? (1) Phenol (2) Ethanol (3) Acetic acid (4) Oxalic acid

Description : Which is Known as carbolic acid? (1) Phenol (2) Ethanol (3) Acetic acid (4) Oxalic acid

Last Answer : (1) Phenol Explanation: Phenol is also known as carbolic acid. It is an aromatic organic compound with the molecular formula C6H5OH. Phenol and its chemical derivatives are essential ... epoxies, Bakelite, nylon, detergents, herbicides such as phenoxy herbicides, and numerous pharmaceutical drugs.

Which of the following compounds is most acidic? (a) Formic acid (b) Ethanol (c) Acetic acid (d) Phenol

Description : Which of the following compounds is most acidic? (a) Formic acid (b) Ethanol (c) Acetic acid (d) Phenol

Last Answer : Formic acid

Which of the following compounds is least acidic? (a) Formic acid (b) Ethanol (c) Acetic acid (d) Phenol

Description : Which of the following compounds is least acidic? (a) Formic acid (b) Ethanol (c) Acetic acid (d) Phenol

Last Answer : Ethanol

Which of the following compounds will react with PCl5 least vigorously? (a) Ethanol (b) Acetic acid (c) Phenol (d) Benzoic acid

Description : Which of the following compounds will react with PCl5 least vigorously? (a) Ethanol (b) Acetic acid (c) Phenol (d) Benzoic acid

Last Answer : Phenol

Acetic acid undergoes reduction with LiAlH4 to give (a) Ethanol (b) Ethane (c) Ethanal (d) Ethyne

Description : Acetic acid undergoes reduction with LiAlH4 to give (a) Ethanol (b) Ethane (c) Ethanal (d) Ethyne

Last Answer : Ethanol