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
Description : Ethylene reacts with oxygen in the presence of silver catalyst at 300°C to form (a) Diethyl ether (b) Ethylene glycol (c) Ethyl alcohol (d) Ethylene oxide
Last Answer : Ethylene oxide
Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).
Last Answer : Rust is - (1) A mixture of Fe₂O₃ and Fe(OH) ₂ (2) A mixture of FeO and Fe(OH)₂ (3) FeO only (4) A mixture of Fe₂O₃, 3H₂O and FeO
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
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
Description : Ethyl alcohol can react with concentrated H2SO4 to give (a) Ethylene (b) Diethyl ether (c) Ethyl hydrogen sulfate (d) All of these
Last Answer : All of these
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 : 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
Description : Acetic anhydride is obtained by the reaction of : (a) Acetic acid and sodium (b) Acetic acid and water (c) Acetic acid and diethyl ether (d) Acetic acid and P2O5
Last Answer : Acetic acid and P2O5
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.
Description : The monomers for Buna-S are 1,3-butadiene and (a) Ethylene glycol (b) Adipic acid (c) Styrene (d) Caprolactum
Last Answer : Styrene
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
Description : Oxidation of acetaldehyde with Na2Cr2O7/H+ gives (a) Ethylene glycol (b) Acetic acid (c) Ethanol (d) Acetone
Last Answer : Acetic acid
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
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
Description : Ethylene oxide undergoes acid-hydrolysis to form (a) Ethylene glycol (b) Formic acid (c) Ethyl alcohol (d) Acetic acid
Last Answer : Ethylene glycol
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
Description : Write the metamer of diethyl ether. What is its IUPAC name?
Last Answer : Ans.1-methoxypropane, CH3OCH2CH2CH3 or 2-methoxypropane,CH3OCH(CH3)2
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
Description : Which of the following will have the highest boiling point? (a) Diethyl ether (b) n-Butane (c) Acetamide (d) n-Propylamine
Last Answer : Acetamide
Description : Which of the following functional group series is ranked according to increasing boiling points? (a) diethyl ether, ethane, ethanol, ethanethiol (b) ethane, ethanol, diethyl ether, ethanethiol (c) ethane, diethyl ether, ethanethiol, ethanol (d) diethyl ether, ethane, ethanethiol, ethanol
Last Answer : ethane, diethyl ether, ethanethiol, ethanol
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
Description : Diethyl ether reacts with excess of hot concentrated HI to form (a) CH3CH2I + CH3CH2OH (b) Only CH3CH2OH (c) CH3CH2OH + CH2=CH2 (d) Only CH3CH2
Last Answer : Only CH3CH2
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
Description : Diethyl ether reacts with sodium metal to give (a) Ethanol (b) Sodium ethoxide (c) Ethanal (d) Nothing happens
Last Answer : Nothing happens
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
Description : Diethyl ether and methyl propyl ether are (a) Conformational isomers (b) Metamers (c) Geometrical isomers (d) Enantiomers
Last Answer : Metamers
Description : Ethanol is isomeric with (a) Dimethyl ether (b) Ethanal (c) Diethyl ether (d) Propanone
Last Answer : Dimethyl ether
Description : Which of the following has the highest boiling point? (a) diethyl ether (b) n-Butyraldehyde (c) n-propyl chloride (d) n-Butyl alcohol
Last Answer : n-Butyl alcohol
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 : Which of the following compounds have planar molecules? (a) ethyl alcohol (b) formaldehyde (c) diethyl ether (d) 1,3-butadiene
Last Answer : 1,3-butadiene formaldehyde
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.
Description : Fats and oils are (a) monoesters of glycerol (b) diesters of glycerol (c) triesters of glycerol (d) diesters of glycol
Last Answer : triesters of glycerol
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
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
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
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
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
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
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
Description : The chemical used in enabalining biological materials is – (1) formaldehyde in water (2) formaldehyde in methanol (3) ethylene glycol (4) gaseous formaldehyde
Last Answer : (1) formaldehyde in water Explanation: Embalming fluids use formaldehyde as a preservative. Formaldehyde is the simplest aldehyde with the chemical formula HCHO. Formalin is a solution of formaldehyde ... based embalming fluids are much kinder to the environment than those used in previous years.
Description : Vulcanization is the process of cross-linking polymer chains in rubber using (a) Sulfur. (b) Formaldehye. (c) Benzoyl peroxide. (d) Ethylene glycol.
Last Answer : Sulfur.
Description : Ethylene glycol reacts with dimethyl terephthalate to form (a) Nylon-6,6 (b) Teflon (c) Dacron (d) Orlon
Last Answer : Dacron
Description : Ethylene oxide reacts with HBr to give (a) 1-Bromoethanol (b) Ethyl bromide (c) 2-Bromoethanol (c) Ethylene glycol
Last Answer : 2-Bromoethanol
Description : Ethylene glycol reacts with excess of PCl5 to give (a) Chloroethane (b) 1,2-Dichloroethane (c) Hexachloroethane (d) 1,3-Dichloroethane
Last Answer : 1,2-Dichloroethane
Description : In cold countries ethylene glycol is added to water in car radiators. This helps to (a) Reduce the viscosity (b) Make water a better lubricant (c) Lower the freezing point (d) Lower the boiling poin
Last Answer : Lower the freezing point
Description : The chemical used in embalming biological materials is (1) formaldehyde in water (2) formaldehyde in methanol (3) ethylene glycol (4) gaseous formaldehyde
Last Answer : formaldehyde in water
Description : Diethyl ether is used as
Last Answer : Diethyl ether is used as A. Anaesthetic B. Solvent C. Refrigerant D. All
Description : Which of the following is not an isomer of diethyl ether?
Last Answer : Which of the following is not an isomer of diethyl ether? A. 2- methyl -2- propanol B. 2- Methoxypropane C. 2- Methyl -1- proponal D. Ethoxyethane