Aniline when treated acetyl chlroide in presence of alkali, the product formed is:

Aniline when treated acetyl chlroide in presence of alkali, the product formed is:
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Aniline when treated acetyl chlroide in presence of alkali, the product formed is: A. ... benzoyl chloride C. acetophenone D. aniline hydrochloride
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Chloroform when treated aniline and alcoholic KOH, the product formed is?

Description : Chloroform when treated aniline and alcoholic KOH, the product formed is?

Last Answer : Chloroform when treated aniline and alcoholic KOH, the product formed is? A. Phenyl cyanide B. Phenyl isocyanide C. Chlorobenzene D. Phenol

Aniline when diazotized in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be

Description : Aniline when diazotized in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be

Last Answer : Aniline when diazotized in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be A. B. C. D.

Which of the following reagents does not react with aniline? (a) Acetyl chloride (b) Acetic anhydride (c) Ammonia (d) Nitrous acid

Description : Which of the following reagents does not react with aniline? (a) Acetyl chloride (b) Acetic anhydride (c) Ammonia (d) Nitrous acid

Last Answer : Ammonia

Which of the following compounds does not react with acetyl chloride? (a) Methylamine (b) Dimethylamine (c) Aniline (d) Trimethylamine

Description : Which of the following compounds does not react with acetyl chloride? (a) Methylamine (b) Dimethylamine (c) Aniline (d) Trimethylamine

Last Answer : Trimethylamine

The pair of the equimolar compound that would be give a single condensation product when treated with an alkali is

Description : The pair of the equimolar compound that would be give a single condensation product when treated with an alkali is

Last Answer : The pair of the equimolar compound that would be give a single condensation product when treated with an alkali is A ... ` B. C. D. `CH_(3)CHO+HCHO`

Which of the following statements is correct about aniline? (a) is weak acid. (b) diazotizes to benzenediazonium chloride when treated with ice-cold nitrous acid. (c) can be nitrated with concentrated HNO3 to form p-nitroaniline. (d) gives an intense green color with a suspension of bleaching powder in water

Description : Which of the following statements is correct about aniline? (a) is weak acid. (b) diazotizes to benzenediazonium chloride when treated with ice-cold nitrous acid. (c) can be nitrated with ... p-nitroaniline. (d) gives an intense green color with a suspension of bleaching powder in water

Last Answer : diazotizes to benzenediazonium chloride when treated with ice-cold nitrous acid.

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

Chlorobenzene can be prepared by treatment of aniline with (a) Cuprous chloride (b) Chlorine in the presence of UV light (c) Nitrous acid followed by treatment with CuCl (d) Chlorine in the presence of FeCl3

Description : Chlorobenzene can be prepared by treatment of aniline with (a) Cuprous chloride (b) Chlorine in the presence of UV light (c) Nitrous acid followed by treatment with CuCl (d) Chlorine in the presence of FeCl3

Last Answer : Nitrous acid followed by treatment with CuCl

When phenol reacts with chloroform and an alkali, the compound formed is salicylaldehyde. If pyrene is used in place of chloroform, the product obtain

Description : When phenol reacts with chloroform and an alkali, the compound formed is salicylaldehyde. If pyrene is used in place of chloroform, the product obtain

Last Answer : When phenol reacts with chloroform and an alkali, the compound formed is salicylaldehyde. If ... . Salicyladehyde C. Phenolphthalein D. Cyclo hexanol

Alkali soils are treated with gypsum to correct the deficiency of- (a) Sulphur (b) Calcium (c) Magnesium (d) Zinc

Description : Alkali soils are treated with gypsum to correct the deficiency of- (a) Sulphur (b) Calcium (c) Magnesium (d) Zinc

Last Answer : (b) Calcium

Why do the the alkali metals give blue solution ,when treated with liq NH3?

Description : Why do the the alkali metals give blue solution ,when treated with liq NH3? 

Last Answer : The alkali metals dissolve in liquid ammonia giving deep blue solutions which are conducting in nature. The blue colour of the solution is due to the ammoniated electron which absorbs ... ammonia.) In concentrated solution, the blue colour changes to bronze colour and becomes diamagnetic.  

Which of the following statements is False/Incorrect about nitrobenzene? (a) is formed by nitration of benzene at temperatures below 60°C. (b) can be further nitrated to give m-dinitrobenzene. (c) can be oxidized with KMnO4 to give benzoic acid. (d) can be reduced with Sn/HCl to give aniline.

Description : Which of the following statements is False/Incorrect about nitrobenzene? (a) is formed by nitration of benzene at temperatures below 60°C. (b) can be further nitrated to give m-dinitrobenzene. (c) can be oxidized with KMnO4 to give benzoic acid. (d) can be reduced with Sn/HCl to give aniline.

Last Answer : can be oxidized with KMnO4 to give benzoic acid

Fully activated pyruvate carboxylase depends upon the presence of (A) Malate and Niacin (B) Acetyl CoA and biotin (C) Acetyl CoA and thiamine pyrophosphate (D) Oxaloacetate and biotin

Description : Fully activated pyruvate carboxylase depends upon the presence of (A) Malate and Niacin (B) Acetyl CoA and biotin (C) Acetyl CoA and thiamine pyrophosphate (D) Oxaloacetate and biotin

Last Answer : Answer : B

Carboxylation of acetyl—CoA to malonyl — CoA takes place in presence of (A) FAD+ (B) Biotin (C) NAD+ (D) NADP+

Description : Carboxylation of acetyl—CoA to malonyl — CoA takes place in presence of (A) FAD+ (B) Biotin (C) NAD+ (D) NADP+

Last Answer : Answer : C

Carbamoyl phosphate synthetase structure is marked by change in the presence of (A) N-Acetyl glutamate (B) N-Acetyl Aspartate (C) Neuraminic acid (D) Oxalate

Description : Carbamoyl phosphate synthetase structure is marked by change in the presence of (A) N-Acetyl glutamate (B) N-Acetyl Aspartate (C) Neuraminic acid (D) Oxalate

Last Answer : Answer : A

Photo chemical smog is a result-ant of the reaction among – (1) High concentration of NO2, O3, and CO in the evening (2) CO, CO2 and NO2 at low temperature (3) CO, O2 and peroxy acetyl nitrate in the presence of Sunlight (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight

Description : Photo chemical smog is a result-ant of the reaction among – (1) High concentration of NO2, O3, and CO in the evening (2) CO, CO2 and NO2 at low temperature (3) CO, O2 and peroxy acetyl nitrate in the presence of Sunlight (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight

Last Answer : (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight Explanation: Photochemical smog is a unique type of air pollution which is caused by reactions between sunlight and pollutants like hydrocarbons and nitrogen dioxide (NO and NO2).

`XeF_(2)` on hydrolysis (in the presence of alkali) yield :

Description : `XeF_(2)` on hydrolysis (in the presence of alkali) yield :

Last Answer : `XeF_(2)` on hydrolysis (in the presence of alkali) yield : A. `XeOF_(4)` B. `XeO_(3)` C. `XeO_(2)F_(2)` D. Xe

Pick out the wrong statemen(A) Autocatalytic reactions are exemplified by microbial fermentation reactions (B) The slowest step has the greatest influence on the overall reaction rate in case of an irreversible series reaction (C) The fractional conversion at any time is same for both the constant as well as the variable volume system in case of an irreversible unimolecular type first order reaction (D) Hydrolysis of ester in presence of alkali or acid is a zero order reaction

Description : Pick out the wrong statemen (A) Autocatalytic reactions are exemplified by microbial fermentation reactions (B) The slowest step has the greatest influence on the overall reaction rate in case of an ... reaction (D) Hydrolysis of ester in presence of alkali or acid is a zero order reaction

Last Answer : (D) Hydrolysis of ester in presence of alkali or acid is a zero order reaction

Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate number (C) Bagasse fibre contains both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Description : Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms ... both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Last Answer : (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

The presence of alkali oxides in alumino silicate ceramics is likely to result in dielectric breakdown due to

Description : The presence of alkali oxides in alumino silicate ceramics is likely to result in dielectric breakdown due to   (A) Polarization (B) Conductivity (C) Structural homogeneties (D) Ionization

Last Answer : The presence of alkali oxides in alumino silicate ceramics is likely to result in dielectric breakdown due to Conductivity 

Aniline reacts with mixed acid (conc. `HNO_(3)` and conc. `H_(2)SO_(4)`) at 288 K to give P (51%), Q (47%) and R(2%). The major product (s) of the fol

Description : Aniline reacts with mixed acid (conc. `HNO_(3)` and conc. `H_(2)SO_(4)`) at 288 K to give P (51%), Q (47%) and R(2%). The major product (s) of the fol

Last Answer : Aniline reacts with mixed acid (conc. `HNO_(3)` and conc. `H_(2)SO_(4)`) at 288 K to give P ... of the following reaction sequence is (are) B. C. D.

The major product Y in the following sequence of reaction is: Aniline `overset((i) NaNO_(2)//HCl,273K)underset((ii)CuCN//KCN)to(X) overset((i)"DIBAL-H

Description : The major product Y in the following sequence of reaction is: Aniline `overset((i) NaNO_(2)//HCl,273K)underset((ii)CuCN//KCN)to(X) overset((i)"DIBAL-H

Last Answer : The major product Y in the following sequence of reaction is: Aniline `overset((i) NaNO_(2)//HCl,273K)underset((ii)CuCN ... H_(2)O)to (Y)` A. B. C. D.

When aniline is heated with chloroform and alcoholic KOH, the product is (a) Benzonitrile (b) p-Chloroaniline (c) Phenylisocyanide (d) m-Chloroaniline

Description : When aniline is heated with chloroform and alcoholic KOH, the product is (a) Benzonitrile (b) p-Chloroaniline (c) Phenylisocyanide (d) m-Chloroaniline

Last Answer : Phenylisocyanide

When 2-hydroxybenzoic aicd (salicylic acid) is treated with bromine water, the product formed is:

Description : When 2-hydroxybenzoic aicd (salicylic acid) is treated with bromine water, the product formed is:

Last Answer : When 2-hydroxybenzoic aicd (salicylic acid) is treated with bromine water, the product formed is: A. B. C. D.

How acetyl COA is formed during aerobic respiration? -Biology

Description : How acetyl COA is formed during aerobic respiration? -Biology

Last Answer : answer:

Acetyl-CoA can be formed from (A) Pyruvate (B) Fatty acids (C) ketone bodies (D) All of these

Description : Acetyl-CoA can be formed from (A) Pyruvate (B) Fatty acids (C) ketone bodies (D) All of these

Last Answer : Answer : D

Ceramide is formed by the combination of sphingosine and (A) Acetyl-CoA (B) Acyl-CoA (C) Malonyl-CoA (D) Propionyl-CoA

Description : Ceramide is formed by the combination of sphingosine and (A) Acetyl-CoA (B) Acyl-CoA (C) Malonyl-CoA (D) Propionyl-CoA

Last Answer : Answer : B

For each of the first 7-acetyl-CoA molecules formed by α-oxidation of palmitic acid, the yield of high energy phosphates is (A) 12 (B) 24 (C) 30 (D) 35

Description : For each of the first 7-acetyl-CoA molecules formed by α-oxidation of palmitic acid, the yield of high energy phosphates is (A) 12 (B) 24 (C) 30 (D) 35

Last Answer : Answer : D

In synthesis of Triglyceride from α-Glycero phosphate and acetyl CoA, the first intermediate formed is (A) β-diacyl glycerol (B) Acyl carnitine (C) Monoacyl glycerol(D) Phosphatidic acid

Description : In synthesis of Triglyceride from α-Glycero phosphate and acetyl CoA, the first intermediate formed is (A) β-diacyl glycerol (B) Acyl carnitine (C) Monoacyl glycerol(D) Phosphatidic acid

Last Answer : Answer : D

The acetyl CoA formed on β-oxidation of all long chain fatty acids is metabolized under normal circumstances to (A) CO2 and water (B) Cholesterol (C) Fatty acids (D) Ketone bodies

Description : The acetyl CoA formed on β-oxidation of all long chain fatty acids is metabolized under normal circumstances to (A) CO2 and water (B) Cholesterol (C) Fatty acids (D) Ketone bodies

Last Answer : Answer : A

Acetyl CoA formed from pyruvate can be used for the synthesis of all the following except (A) Glucose (B) Fatty acids (C) Cholesterol (D) Steroid hormones

Description : Acetyl CoA formed from pyruvate can be used for the synthesis of all the following except (A) Glucose (B) Fatty acids (C) Cholesterol (D) Steroid hormones

Last Answer : Answer : A

Propionyl CoA formed oxidation of fatty acids having an odd number of carbon atoms is converted into (A) Acetyl CoA (B) Acetoacetyl CoA (C) D-Methylmalonyl CoA (D) Butyryl CoA

Description : Propionyl CoA formed oxidation of fatty acids having an odd number of carbon atoms is converted into (A) Acetyl CoA (B) Acetoacetyl CoA (C) D-Methylmalonyl CoA (D) Butyryl CoA

Last Answer : Answer : C

During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP? (a) Glycolysis (b) Krebs’ cycle (c) Conversion of pyruvic acid to acetyl CoA (d) Electron transport chain

Description : During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP? (a) Glycolysis (b) Krebs’ cycle (c) Conversion of pyruvic acid to acetyl CoA (d) Electron transport chain

Last Answer : (d) Electron transport chain

The chitinous exoskeleton of arthropods is formed by the polymerisation of (a) N - acetyl glucosamine (b) lipoglycans (c) keratin sulphate and chondroitin sulphate (d) D - glucosamine.

Description : The chitinous exoskeleton of arthropods is formed by the polymerisation of (a) N - acetyl glucosamine (b) lipoglycans (c) keratin sulphate and chondroitin sulphate (d) D - glucosamine.

Last Answer : (a) N - acetyl glucosamine

what do you understand by “Non stoichiometric hydrides”? Do you think this type of hydrides to be formed by alkali metals? Justify your answer.

Description : what do you understand by “Non stoichiometric hydrides”? Do you think this type of hydrides to be formed by alkali metals? Justify your answer.

Last Answer : Ans: Hydrides which are deficient in hydrogen and in which the ratio of hydrogen to metal is fractional are called non-stoichiometric hydrides. This type of hydrides are formed by d-and ... they form only stoichiometric hydrides. In other words alkali metals do not form non-stoichiometric hydrides.

The product formed by the reaction of acetamide with bromine in presence of `NaOH` is

Description : The product formed by the reaction of acetamide with bromine in presence of `NaOH` is

Last Answer : The product formed by the reaction of acetamide with bromine in presence of `NaOH` is A. `CH_(3)CN` B. `CH_(3) ... `CH_(3)CH_(2)OH` D. `CH_(3)NH_(2)`

A 55-year-old renal transplant patient has been hospitalized in a Surgical Intensive Care Unit, receiving a prolonged course of antibiotics following an attack of acute cholecystitis. The following statement(s) is/are true concerning his management. a. Due to the potential risk of Candida infection, prophylaxis with oral nystatin should be instituted early in the patient’s course b. A Candida urinary tract infection should be treated with systemic amphotericin B c. Changes of Candida retinitis are of little significance d. The presence of a virulent Candida bacteremia should suggest a dosage reduction in immunosuppressive agents until the infection can be adequately controlled

Description : A 55-year-old renal transplant patient has been hospitalized in a Surgical Intensive Care Unit, receiving a prolonged course of antibiotics following an attack of acute cholecystitis. The ... suggest a dosage reduction in immunosuppressive agents until the infection can be adequately controlled

Last Answer : Answer: a, d Infections due to fungal pathogens have become increasingly common during the past decade, frequently occurring in patients undergoing prolonged hospitalization in the Surgical ... agents should be discontinued until evidence of infection is absolutely controlled or is eradicated

End product of aerobic glycolysis is (A) Acetyl CoA (B) Lactate (C) Pyruvate (D) CO2 and H2O

Description : End product of aerobic glycolysis is (A) Acetyl CoA (B) Lactate (C) Pyruvate (D) CO2 and H2O

Last Answer : Answer : C

Which of the following intermediates of metabolism can be both a precursor and a product of glucose? (A) Lactate (B) Pyruvate (C) Alanine (D) Acetyl-CoA

Description : Which of the following intermediates of metabolism can be both a precursor and a product of glucose? (A) Lactate (B) Pyruvate (C) Alanine (D) Acetyl-CoA

Last Answer : Answer : A

Which of the following statement regarding β-oxidation is true? (A) Requires β-ketoacyl CoA as a substrate (B) Forms CoA thioesters (C) Requires GTP for its activity (D) Yields acetyl CoA as a product

Description : Which of the following statement regarding β-oxidation is true? (A) Requires β-ketoacyl CoA as a substrate (B) Forms CoA thioesters (C) Requires GTP for its activity (D) Yields acetyl CoA as a product

Last Answer : Answer : A

End product of glycolysis is (a) acetyl CoA (b) pyruvic acid (c) glucose 1-phosphate (d) fructose 1-phosphate.

Description : End product of glycolysis is (a) acetyl CoA (b) pyruvic acid (c) glucose 1-phosphate (d) fructose 1-phosphate.

Last Answer : (b) pyruvic acid

Bitterns is a/an (A) Unsaturated fat (B) Starting material for the production of iodine (C) By-product of chlor-alkali industry (D) None of these

Description : Bitterns is a/an (A) Unsaturated fat (B) Starting material for the production of iodine (C) By-product of chlor-alkali industry (D) None of these

Last Answer : (D) None of these

p-bromoaniline is prepared from aniline via

Description : p-bromoaniline is prepared from aniline via

Last Answer : p-bromoaniline is prepared from aniline via A. direct bromination of aniline in presence of Lewis ... in presence of light D. amination of bromine

Can the amino group, in the aniline molecule, become meta-directing in an electrophilic substitution reaction ?

Description : Can the amino group, in the aniline molecule, become meta-directing in an electrophilic substitution reaction ?

Last Answer : Can the amino group, in the aniline molecule, become meta-directing in an electrophilic substitution reaction ... D. Yes, in a non-polar solvent

Which reaction sequence would be best to prepare 3-chloro-aniline form benzene

Description : Which reaction sequence would be best to prepare 3-chloro-aniline form benzene

Last Answer : Which reaction sequence would be best to prepare 3-chloro-aniline form benzene A. ... . nitration, reduction, acetylation, chlorination, hydrolysis

Why is aniline soluble in aqueous HCl?

Description : Why is aniline soluble in aqueous HCl?

Last Answer : Why is aniline soluble in aqueous HCl?

Which of the following is more basic than aniline?

Description : Which of the following is more basic than aniline?

Last Answer : Which of the following is more basic than aniline? A. p-Nitroaniline B. Benzyl amine C. Diphenyl amine D. Triphenyl amine

The basicity of aniline is less than that of cyclohexylamine. This is due to :

Description : The basicity of aniline is less than that of cyclohexylamine. This is due to :

Last Answer : The basicity of aniline is less than that of cyclohexylamine. This is due to : A. `-R` effect ... effect of `-NH_(2)` group D. hyperconjugation effect

Examine the structal formules of following compounds and identify how many compounds are more basic than aniline.

Description : Examine the structal formules of following compounds and identify how many compounds are more basic than aniline.

Last Answer : Examine the structal formules of following compounds and identify how many compounds are more basic than aniline.