Description : Which of the following is least soluble in water? (a) Methylamine (b) Trimethylamine (c) Dimethylamine (d) Aniline
Last Answer : Methylamine
Description : Which of the following is most basic? (a) Ammonia (b) Methylamine (c) Dimethylamine (d) Trimethylamine
Last Answer : Dimethylamine
Description : Acetonitrile undergoes reduction with LiAlH4 to form : (a) Methylamine (b) Dimethylamine (c) Ethylamine (d) Trimethylamine
Last Answer : Ethylamine
Description : Which amine is NOT soluble in water? (a) Methylamine (b) Dimethylamine (c) Trimethylamine (d) All are water-soluble
Last Answer : All are water-soluble
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
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
Description : Acetamide reacts with Br2/NaOH to give (a) Methylamine (b) Urea (c) Ethylamine (d) Acetyl bromide
Description : Which of the following agents is used in order to make benzene react with acetyl chloride to give acetophenone? (a) Ultraviolet light (b) AlCl3 catalyst (c) Platinum catalyst (d) Al2O3 catalyst
Last Answer : AlCl3 catalyst
Description : Which of the following reagents will react with acetamide to form methylamine? (a) LiAlH4 (b) Br2/NaOH (c) PCl5 (d) H2/Ni
Last Answer : Br2/NaOH
Description : The nitrogen atom in the following cyclic compounds can be removed as trimethylamine by successive Hoffmann eliminations (involving exhaustive methyla
Last Answer : The nitrogen atom in the following cyclic compounds can be removed as trimethylamine by successive Hoffmann eliminations ... is : A. B. C. D.
Description : Aniline when treated acetyl chlroide in presence of alkali, the product formed is:
Last Answer : Aniline when treated acetyl chlroide in presence of alkali, the product formed is: A. ... benzoyl chloride C. acetophenone D. aniline hydrochloride
Description : Benzenediazonium chloride reacts with hypophosphorus acid to form : (a) Phenol (b) Benzaldehyde (c) Aniline (d) Benzene
Last Answer : Benzene
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
Description : Benzenediazonium chloride reacts with warm water to give (a) Aniline (b) Phenol (c) Benzene (d) Chlorobenzene
Last Answer : Phenol
Description : Which of the following are optimum temperature conditions for making benzenediazonium chloride from aniline? (a) 0°C to 10°C (b) 20°C to 25°C (c) 30°C to 40°C (d) 45°C to 50°C
Last Answer : 0°C to 10°C
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.
Description : Which of the following compounds is most basic? (a) Aniline (b) Benzylamine (c) Acetanilide (d) p-nitroaniline
Last Answer : Benzylamine
Description : Which of the following compounds does not dissolve in concentrated H2SO4 on warming? (a) n-Hexane (b) Diethyl ether (c) 1-Butene (d) Aniline
Last Answer : n-Hexane
Description : Pyridine is less basic than trimethylamine because the lone-pair of electrons on N-atom in pyridine resides in (a) sp2 hybrid orbital (b) sp hybrid orbital (c) sp3 hybrid orbital (d) p-orbital
Last Answer : sp2 hybrid orbita
Description : Acetyl chloride undergoes nucleophilic substitution at a faster rate than methyl acetate because __________. (a) the ester is more sterically hindered than the acid chloride (b) the acid chloride is ... is a better leaving group than chloride (d) chloride is a better leaving group than methoxide
Last Answer : chloride is a better leaving group than methoxide
Description : Which of the following reagents will convert acetic acid into acetyl chloride? (a) NaCl (b) HCl/ZnCl2 (c) SOCl2 (d) HCl
Last Answer : SOCl2
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.
Description : Which formulation of 2,4-D has fastest ab sorption by crop plants? a). Ethyl ester b). Dimethylamine c). Na salt d). All
Last Answer : a). Ethyl ester
Description : Phenol is (a) stronger acid than acetic acid (b) weaker acid than acetic acid (c) stronger base than methylamine (d) weaker base than methylamine
Last Answer : weaker acid than acetic acid
Description : Glycine reacts with nitrous acid to form : (a) Glycollic acid (b) Diketopiperazine (c) Methylamine (d) Ethyl alcoho
Last Answer : Glycollic acid
Description : Methylamine reacts with nitrous acid to form (a) CH3CH3 (b) CH3OH (c) CH3NO2 (d) CH3CH2OH
Last Answer : CH3OH
Description : Which of the following will have the highest boiling point? (a) Methylamine (b) Diethylamine (c) Ethylamine (d) Triethylamine
Last Answer : Triethylamine
Description : The compound methylamine, H3C–NH2, contains a C–N bond. In this bond, which of the following best describes the charge on the nitrogen atom? (a) slightly positive (b) uncharged (c) slightly negative (d) –1
Last Answer : slightly negative
Description : Acetamide on reduction with LiAlH4 gives (a) Acetaldehyde (b) Ethylamine (c) Acetone (d) Methylamine
Description : Acetamide can be converted into methylamine by (a) P2O5 (b) Br2/NaOH (c) PCl5 (d) LiAlH4
Description : Acetamide on heating with P2O5 gives : (a) Methylamine (b) Ethylamine (c) Methyl cyanide (d) None of these
Last Answer : Methyl cyanide
Description : During each cycle of on going fatty acid oxidation, all the following compounds are generated except (A) H2O (B) Acetyl CoA (C) Fatty acyl CoA (D) NADH FATS AND FATTY ACID METABOLISM 103
Last Answer : Answer : A
Description : Which one of the following compounds cannot give rise to the net synthesis of Glucose? (A) Lactate (B) Glycerol (C) α-ketoglutarate (D) Acetyl CoA
Last Answer : B
Description : (1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, ... violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3
Last Answer : Water is not effective in extinguishing a fire caused by petrol because - (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn
Description : 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 most readily with concentrated sulfuric acid? (a) Ethane (b) Cyclohexane (c) Propane (d) Cyclohexene
Last Answer : Cyclohexene
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
Description : Which of the following compounds will react fastest with Lucas reagent? (a) 1-propanol (b) 2-methyl-1-propanol (c) 2-propanol (d) 2-methyl-2-propanol
Last Answer : 2-methyl-2-propanol
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
Description : Which of the following compounds would react most rapidly in an SN2 reaction? (a) CH3CH2I (b) CH2=CH–I (c) (CH3)2CHI (d) (CH3)3CI
Last Answer : CH3CH2I
Description : Which of the following compounds does not react with ammoniacal AgNO3 solution? (a) Acetylene (b) 1-Butyne (c) Propyne (d) 2-Butyne
Last Answer : 2-Butyne
Description : Which of the following compounds will react with ammoniacal silver nitrate? (a) 1-Butene (b) 1-Butyne (c) 2-Butene (d) 2-Butyne
Last Answer : 1-Butyne
Description : Which of the following compounds will react most readily with bromine in CCl4? (a) CH3CH2CH3 (b) (CH3)3CH (c) CH3CH=CH2 (d) (CH3)4C
Last Answer : CH3CH=CH2
Description : Acetamide is treated separately with the following reagens. Which one of these given methylamine?
Last Answer : Acetamide is treated separately with the following reagens. Which one of these given methylamine? A. `PCI_(5)` ... ` D. Hot concentrated `H_(2)SO_(4)`
Description : Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes? (1) Borax (2) Saltpetre (3) Hydrogen peroxide (4) Sodium chloride
Last Answer : (4) Sodium chloride Explanation: Antiseptics are antimicrobial substances that are applied to living tissue/skin to reduce the possibility of infection, sepsis, or putrefaction. Antiseptics are generally ... the body, and from disinfectants, which destroy microorganisms found on non-living objects.
Description : Which of the following compounds will be most soluble in water at room temperature? (a) Phenol (b) Phenylammonium chloride (c) Benzoic acid (d) Benzylamine
Last Answer : Phenylammonium chloride
Description : Which of the following is the correct ranking in decreasing order of relative Boiling Point of carbonyl containing compounds? (a) primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone ... chloride ~ amide (d) carboxylic acid > amide >> ester ~ acyl chloride ~ aldehyde ~ ketone
Last Answer : primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone
Description : Which of the following compounds will give an iodoform test? (a) Benzoic acid (b) Ethanol (c) Benzyl chloride (d) Methanol
Last Answer : Ethanol
Description : Which of the following compounds is least soluble in water? (a) Glycerol (b) Ethyl alcohol (c) Ethylene glycol (d) Ethyl chloride
Last Answer : Ethyl chloride
Description : Which of the following compounds will give a white precipitate with alcoholic AgNO3? (a) Vinylbenzene (b) Chlorobenzene (c) Vinyl chloride (d) Allyl chloride
Last Answer : Allyl chloride