Ethyl acetoacetate reacts with phenylhydrazine to give (a) Antipyrine (b) Aspirin (c) 4-Methyl uracil (d) DDT

Ethyl acetoacetate reacts with phenylhydrazine to give
(a) Antipyrine
(b) Aspirin
(c) 4-Methyl uracil
(d) DDT
by

1 Answer

Answer :

Antipyrine
by

Related questions

When ethyl acetoacetate is subjected to ketonic hydrolysis, the ketoneobtained is(a) Dimethyl ketone(b) Methyl ethyl ketone(c) Diethyl ketone(d) Methyl n-propyl ketone

Description : When ethyl acetoacetate is subjected to ketonic hydrolysis, the ketone obtained is (a) Dimethyl ketone (b) Methyl ethyl ketone (c) Diethyl ketone (d) Methyl n-propyl ketone

Last Answer : Diethyl ketone

Acetic anhydride reacts with ethanal to give (a) Methyl acetate (b) Methyl propanoate (c) Ethyl acetate (d) Ethyl propanoate

Description : Acetic anhydride reacts with ethanal to give (a) Methyl acetate (b) Methyl propanoate (c) Ethyl acetate (d) Ethyl propanoate

Last Answer : Ethyl acetate

Acetic acid reacts with methyl alcohol in the presence of an acid catalyst to give (a) Methyl formate (b) Ethyl formate (c) Methyl acetate (d) Ethyl acetate

Description : Acetic acid reacts with methyl alcohol in the presence of an acid catalyst to give (a) Methyl formate (b) Ethyl formate (c) Methyl acetate (d) Ethyl acetate

Last Answer : Methyl acetate

Ethyl acetate on heating with sodium ethoxide gives (a) Ethyl acetoacetate (b) Sodium acetate (c) Ethyl alcohol (d) Diethyl ether

Description : Ethyl acetate on heating with sodium ethoxide gives (a) Ethyl acetoacetate (b) Sodium acetate (c) Ethyl alcohol (d) Diethyl ether

Last Answer : Ethyl acetoacetate

Ethyl acetoacetate undergoes acid-hydrolysis with dilute HCl to form (a) Acetoacetic acid (b) Succinic acid (c) Acetic acid (d) Adipic acid

Description : Ethyl acetoacetate undergoes acid-hydrolysis with dilute HCl to form (a) Acetoacetic acid (b) Succinic acid (c) Acetic acid (d) Adipic acid

Last Answer : Acetoacetic acid

Ethyl bromide reacts with sodium methoxide to form (a) Diethyl ether (b) Ethyl methyl ether (c) Dimethyl ether (d) n-Propyl alcohol

Description : Ethyl bromide reacts with sodium methoxide to form (a) Diethyl ether (b) Ethyl methyl ether (c) Dimethyl ether (d) n-Propyl alcohol

Last Answer : Ethyl methyl ether

Which compound reacts most rapidly by an SN1 mechanism? (a) Methyl chloride(b) Isopropyl chloride(c) Ethyl chloride(d) tert-Butyl chloride

Description : Which compound reacts most rapidly by an SN1 mechanism? (a) Methyl chloride (b) Isopropyl chloride (c) Ethyl chloride (d) tert-Butyl chloride

Last Answer : tert-Butyl chloride

Acetoacetyl-CoA condenses with one more molecule of acetyl-CoA to form (A) Mevalonate (B) Acetoacetate (C) β-Hydroxybutyrate (D) 3-Hydroxy 3-methyl-glutaryl-CoA

Description : Acetoacetyl-CoA condenses with one more molecule of acetyl-CoA to form (A) Mevalonate (B) Acetoacetate (C) β-Hydroxybutyrate (D) 3-Hydroxy 3-methyl-glutaryl-CoA

Last Answer : Answer : D

In the pathway leading to biosynthesis of acetoacetate from acetyl-CoA in liver, the immediate precursor of aceotacetate is (A) Acetoacetyl-CoA (B) 3-Hydroxybutyryl-CoA (C) 3-Hydroxy-3-methyl-glutaryl-CoA (D) 3-Hydroxybutyrate

Description : In the pathway leading to biosynthesis of acetoacetate from acetyl-CoA in liver, the immediate precursor of aceotacetate is (A) Acetoacetyl-CoA (B) 3-Hydroxybutyryl-CoA (C) 3-Hydroxy-3-methyl-glutaryl-CoA (D) 3-Hydroxybutyrate

Last Answer : Answer : A

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

Benzenediazonium chloride reacts with phenol to form : (a) p-chlorophenol (b) Chlorobenzene (c) p-Hydroxyazobenzene (d) DDT

Description : Benzenediazonium chloride reacts with phenol to form : (a) p-chlorophenol (b) Chlorobenzene (c) p-Hydroxyazobenzene (d) DDT

Last Answer : p-Hydroxyazobenzene

Ethylene oxide reacts with HBr to give (a) 1-Bromoethanol (b) Ethyl bromide (c) 2-Bromoethanol (c) Ethylene glycol

Description : Ethylene oxide reacts with HBr to give (a) 1-Bromoethanol (b) Ethyl bromide (c) 2-Bromoethanol (c) Ethylene glycol

Last Answer : 2-Bromoethanol

RNA does not contain (A) adenine (B) OH methyl cytosine (C) d-ribose (D) Uracil

Description : RNA does not contain (A) adenine (B) OH methyl cytosine (C) d-ribose (D) Uracil

Last Answer : Answer : B

RNA does not contain (A) Uracil (B) Adenine (C) Hydroxy methyl cytosine (D) Phosphate

Description : RNA does not contain (A) Uracil (B) Adenine (C) Hydroxy methyl cytosine (D) Phosphate

Last Answer : Answer : C

Benzaldehyde does not react with (a) Tollens' reagent (b) Phenylhydrazine (c) Fehling's solution (d) NaHSO3

Description : Benzaldehyde does not react with (a) Tollens' reagent (b) Phenylhydrazine (c) Fehling's solution (d) NaHSO3

Last Answer : Fehling's solution

Aldehydes can be distinguished from ketones by using (a) Ammoniacal AgNO3 solution (b) Phenylhydrazine (c) Saturated NaHSO3 solution (d) Thionyl chloride

Description : Aldehydes can be distinguished from ketones by using (a) Ammoniacal AgNO3 solution (b) Phenylhydrazine (c) Saturated NaHSO3 solution (d) Thionyl chloride

Last Answer : Ammoniacal AgNO3 solution

Ethylene and acetylene can be distinguished by using (a) Bromine in CCl4 (b) Tollens' reagent (b) Baeyer's reagent (d) Phenylhydrazine

Description : Ethylene and acetylene can be distinguished by using (a) Bromine in CCl4 (b) Tollens' reagent (b) Baeyer's reagent (d) Phenylhydrazine

Last Answer : Tollens' reagent

Aspirin is common name of – (1) Salicylic Acid (2) Salicylate (3) Methyl Salicylate (4) Acetyl Salicylic Acid

Description : Aspirin is common name of – (1) Salicylic Acid (2) Salicylate (3) Methyl Salicylate (4) Acetyl Salicylic Acid

Last Answer : (4) Acetyl Salicylic Acid Explanation: Aspirin (USAN), also known as acetylsalicylic acid, is a salicylate drug, often used as an analgesic to relieve minor aches and pains, as an ... under normal circumstances binds platelet molecules together to create a patch over damaged walls of blood vessels.

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

Which of the following compounds is aspirin (a) Methyl salicylate (b) Salicylic acid (c) Phenyl salicylate(d) Acetylsalicylic acid

Description : Which of the following compounds is aspirin (a) Methyl salicylate (b) Salicylic acid (c) Phenyl salicylate (d) Acetylsalicylic acid

Last Answer : Acetylsalicylic acid

Aspirin is common name of (1) Salicylic Acid (2) Salicylate (3) Methyl Salicylate (4) Acetyl Salicylic Acid

Description : Aspirin is common name of (1) Salicylic Acid (2) Salicylate (3) Methyl Salicylate (4) Acetyl Salicylic Acid

Last Answer : Acetyl Salicylic Acid

Aspirin is chemically known as (1) methyl salicylate (2) hydroxysalicylate (3) acetylsalicylic acid (4) alkylsalicylic acid

Description : Aspirin is chemically known as (1) methyl salicylate (2) hydroxysalicylate (3) acetylsalicylic acid (4) alkylsalicylic acid

Last Answer :  acetylsalicylic acid

Aspirin is (1) Methoxy benzoic acid (2) Methyl Salicilate (3) Acetyl Salicilic acid (4) Phenyl Salicilate

Description : Aspirin is (1) Methoxy benzoic acid (2) Methyl Salicilate (3) Acetyl Salicilic acid (4) Phenyl Salicilate

Last Answer :  Acetyl Salicilic acid

Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral is obtained by the chlorination of ethyl alcohol (C) Insecticides acting on the insects through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Description : Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral ... through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Last Answer : (D) Benzene hexachloride is not a contact insecticide

2-Methyl-2-butene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Description : 2-Methyl-2-butene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Last Answer : A secondary alkyl bromide

Alcohol prepared by the distillation of wood is: (1) Propyl alcohol (2) Methyl alcohol (3) Ethyl alcohol (4) Glycerolx

Description : Alcohol prepared by the distillation of wood is: (1) Propyl alcohol (2) Methyl alcohol (3) Ethyl alcohol (4) Glycerolx

Last Answer : (2) Methyl alcohol Explanation: Alcohol prepared by the distillation of wood is Methyl alcohol. It is also called wood spirit.

Wood spirit is – (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol

Description : Wood spirit is – (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol

Last Answer : (1) Methyl alcohol Explanation: Methanol is also known as methyl alcohol, wood alcohol, wood naphtha or wood spirits. It acquired the name "wood alcohol" because it was once produced ... is produced in a catalytic industrial process directly from carbon monoxide, carbon dioxide, and hydrogen.

Gas released during Bhopal tragedy was – (1) Sodium isothiocyanate (2) Potassium isothiocyanate (3) Ethyl isothiocyanate (4) Methyl isothiocyanate

Description : Gas released during Bhopal tragedy was – (1) Sodium isothiocyanate (2) Potassium isothiocyanate (3) Ethyl isothiocyanate (4) Methyl isothiocyanate

Last Answer : (4) Methyl isothiocyanate Explanation: Methyl isocyanate is an intermediate chemical in the production of carbamate pesticides. As a highly toxic and irritating material, it is extremely hazardous to human ... killed nearly 8,000 people initially and approximately 20,000 to 30,000 people in total.

lodex, a pain relief balm, has the smell of _______. (1) Methyl salicylate (2) Ethyl salicylate (3) Propyl salicylate (4) Butyl salicylate

Description : lodex, a pain relief balm, has the smell of _______. (1) Methyl salicylate (2) Ethyl salicylate (3) Propyl salicylate (4) Butyl salicylate

Last Answer : (1) Methyl salicylate Explanation: Iodex has the characteristic odour of Methyl salicylate, an organic ester naturally produced by many species of plants, particularly wintergreens. It is used in high ... as a rubefacient and analgesic in deep heating liniments to treat joint and muscular pain.

Which is used in preparation of dynamite? (1) glycerol (2) ethyl alcohol (3) methyl alcohol (4) glycol

Description : Which is used in preparation of dynamite? (1) glycerol (2) ethyl alcohol (3) methyl alcohol (4) glycol

Last Answer : (1) glycerol Explanation: Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay) and stabilizers. It was invented by the Swedish chemist and engineer Alfred Nobel in Geesthacht, and patented in 1867.

During fermentation of sugar, the compound which is always formed is – (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Description : During fermentation of sugar, the compound which is always formed is – (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Last Answer : (2) Ethyl Alcohol Explanation: Fermentation is the conversion of sugar into car-bon dioxide has (CO2) and ethyl alcohol. This process is carried out by yeast cells using a range of enzymes.

Substance used as an anti-freeze in radiators of automobiles is : (1) Methyl alcohol and H2O (2) Methy] alcohol (3) Ethyl alcohol (4) Ethyl alcohol and H2O

Description : Substance used as an anti-freeze in radiators of automobiles is : (1) Methyl alcohol and H2O (2) Methy] alcohol (3) Ethyl alcohol (4) Ethyl alcohol and H2O

Last Answer : (1) Methyl alcohol and H2O Explanation: Methyl alcohol and water are used as an anti-freeze in radiators of automobiles.

Wood Spirit is which of the following? (1) Ethyl Alcohol (2) Propanol (3) Methyl Alcohol (4) Butanol

Description : Wood Spirit is which of the following? (1) Ethyl Alcohol (2) Propanol (3) Methyl Alcohol (4) Butanol

Last Answer : (3) Methyl Alcohol Explanation: Wood spirit (countable and uncountable, plural wood spirits) (countable) A dryad or other spiritual being associated with forests, woods, or trees. (Uncountable, often the wood spirit) Methyl Alcohol, a type of alcohol.

Which among the following is used in making liquors, medicines and as a fuel in aircrafts? (1) Propyl alcohol (2) Dimethyl alcohol (3) Ethyl alcohol (4) Methyl alcohol

Description : Which among the following is used in making liquors, medicines and as a fuel in aircrafts? (1) Propyl alcohol (2) Dimethyl alcohol (3) Ethyl alcohol (4) Methyl alcohol

Last Answer : (3) Ethyl alcohol Explanation: Ethyl alcohol (C2H5), also known as ethanol, is a member of a class of organic compounds that are given the general name alcohols.

Which is used in preparation of dynamite? (1) glycerol (2) ethyl alcohol (3) methyl alcohol (4) glycol

Description : Which is used in preparation of dynamite? (1) glycerol (2) ethyl alcohol (3) methyl alcohol (4) glycol

Last Answer : (1) glycerol Explanation: Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay) and stabilizers. It was invented by the Swedish chemist and engineer Alfred Nobel in Geesthacht, and patented in 1867.

Gas released during Bhopal tragedy was - (1) Sodium isothiocyanate (2) Ethyl isothiocyanate (3) Potassium isothiocyanate (4) Methyl isothiocyanate

Description : Gas released during Bhopal tragedy was - (1) Sodium isothiocyanate (2) Ethyl isothiocyanate (3) Potassium isothiocyanate (4) Methyl isothiocyanate

Last Answer : (4) Methyl isothiocyanate Explanation: The Bhopal disaster or Bhopal gas tragedy was an industrial accident. It happened at a Union Carbide subsidiary pesticide plant in the city of Bhopal, India. On ... tonnes of toxic Methyl Isocyanate (MIC) gas, exposing more than 500,000 people to toxic gases.

Benzoyl chloride on basic-hydrolysis (NaOH/H2O) gives : (a) Benzoic acid (b) Methyl benzoate (c) Sodium benzoate (d) Ethyl benzoate

Description : Benzoyl chloride on basic-hydrolysis (NaOH/H2O) gives : (a) Benzoic acid (b) Methyl benzoate (c) Sodium benzoate (d) Ethyl benzoate

Last Answer : Sodium benzoate

Which of the following describes the side chain for Alanine? (a) hydrogen (b) ethyl group (c) methyl group (d) isopropyl group

Description : Which of the following describes the side chain for Alanine? (a) hydrogen (b) ethyl group (c) methyl group (d) isopropyl group

Last Answer : methyl group

Which of the following would have the highest boiling point? (a) Dimethyl ether (b) Diethyl ether (c) Ethyl methyl ether (d) Diisopropyl ether

Description : Which of the following would have the highest boiling point? (a) Dimethyl ether (b) Diethyl ether (c) Ethyl methyl ether (d) Diisopropyl ether

Last Answer : Diisopropyl ether

Diethyl ether on heating with excess concentrated HI gives (a) Methyl iodide (b) Isopropyl iodide (c) Ethyl iodide (d) n-Propyl iodide

Description : Diethyl ether on heating with excess concentrated HI gives (a) Methyl iodide (b) Isopropyl iodide (c) Ethyl iodide (d) n-Propyl iodide

Last Answer : Ethyl iodide

Which of the following reagents readily react with ethyl methyl ether? (a) NaOH (b) Conc HI (c) KMnO4 (d) H2O

Description : Which of the following reagents readily react with ethyl methyl ether? (a) NaOH (b) Conc HI (c) KMnO4 (d) H2O

Last Answer : Conc HI

Which of the following statements is false? (a) Diethyl ether has been used as a general anesthetic (b) Ethyl alcohol is present in all alcoholic beverages (c) Methyl alcohol is produced by fermentation of sugars (d) Ethylene glycol is a common antifreeze for automobiles

Description : Which of the following statements is false? (a) Diethyl ether has been used as a general anesthetic (b) Ethyl alcohol is present in all alcoholic beverages (c) Methyl alcohol is produced by fermentation of sugars (d) Ethylene glycol is a common antifreeze for automobiles

Last Answer : Methyl alcohol is produced by fermentation of sugars

Which of the following is a secondary alcohol? (a) 3-ethyl-2-methyl-1-pentanol (b) 3-ethyl-2-methyl-2-heptanol (c) 3-methyl-2-hexanol (d) 1-hexanol

Description : Which of the following is a secondary alcohol? (a) 3-ethyl-2-methyl-1-pentanol (b) 3-ethyl-2-methyl-2-heptanol (c) 3-methyl-2-hexanol (d) 1-hexanol

Last Answer : 3-methyl-2-hexanol

Grain alcohol is another name for (a) Methyl alcohol (b) Isopropyl alcohol (c) Ethyl alcohol (d) n-Propyl alcoho

Description : Grain alcohol is another name for (a) Methyl alcohol (b) Isopropyl alcohol (c) Ethyl alcohol (d) n-Propyl alcoho

Last Answer : Ethyl alcohol

During fermentation of sugar, the compound which is always formed is : (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Description : During fermentation of sugar, the compound which is always formed is : (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Last Answer : Ethyl Alcohol

Iodex, a pain relief balm, has the smell of __________ . (1) Methyl salicylate (2) Ethyl salicylate (3) Propyl salicylate (4) Butyl salicylate

Description : Iodex, a pain relief balm, has the smell of __________ . (1) Methyl salicylate (2) Ethyl salicylate (3) Propyl salicylate (4) Butyl salicylate

Last Answer : Methyl salicylate

Substance used as an anti - freeze in radiators of automobiles is : (1) Methyl alcohol and H2O (2) Methyl alcohol (3) Ethyl alcohol (4) Ethyl alcohol and H2O

Description : Substance used as an anti - freeze in radiators of automobiles is : (1) Methyl alcohol and H2O (2) Methyl alcohol (3) Ethyl alcohol (4) Ethyl alcohol and H2O

Last Answer : Methyl alcohol and H2O

Alcohol prepared by the distillation of wood is : (1) Propyl alcohol (2) Methyl alcohol (3) Ethyl alcohol (4) Glycerolx

Description : Alcohol prepared by the distillation of wood is : (1) Propyl alcohol (2) Methyl alcohol (3) Ethyl alcohol (4) Glycerolx

Last Answer : Methyl alcohol

Wood spirit is (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol

Description : Wood spirit is (1) Methyl alcohol (2) Ethyl alcohol (3) Butyl alcohol (4) Propyl alcohol

Last Answer : Methyl alcohol

Gas released during Bhopal tragedy was : (1) Sodium isothiocyanate (2) Potassium isothiocyanate (3) Ethyl isothiocyanate (4) Methyl isothiocyanate

Description : Gas released during Bhopal tragedy was : (1) Sodium isothiocyanate (2) Potassium isothiocyanate (3) Ethyl isothiocyanate (4) Methyl isothiocyanate

Last Answer : Methyl isothiocyanate