Description : When glycerol is heated with potassium hydrogen sulfate (KHSO4), it forms (a) Acrolein (b) Acetic acid (c) Allyl alcohol (d) Propionic acid
Last Answer : Acrolein
Description : Orlon is prepared by the polymerisation of (a) Vinyl cyanide (b) Allyl alcohol (c) Vinyl chloride (d) Allyl chloride
Last Answer : Vinyl cyanide
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
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
Description : Propene reacts with HBr in the presence of a peroxide to give (a) n-Propyl bromide (b) Allyl bromide (c) Isopropyl bromide (d) Vinyl bromide
Last Answer : n-Propyl bromide
Description : Hydroboration-oxidation of 2-Methylpropene gives (a) 2-Methyl-2-propanol (b) 1,2,3-Propanetriol (c) 2-Methyl-1-propanol (d) 1,2-Propanediol
Last Answer : 2-Methyl-1-propanol
Description : Glycerol on treatment with oxalic acid at `110^(@)C` forms
Last Answer : Glycerol on treatment with oxalic acid at `110^(@)C` forms A. Allyl alcohol B. Formic acid C. `CO_(2)` and `CO` D. Glyceric 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 : A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number? (1) C (2) S (3) H (4) Cl
Last Answer : Cl
Description : When benzaldehyde is heated with concentrated NaOH, it gives : (a) Benzyl alcohol (b) Sodium benzoate (c) Benzoic acid (d) Benzyl alcohol + Sodium benzoate
Last Answer : Benzyl alcohol + Sodium benzoate
Description : Stains of rust on clothes can be removed by – (1) Oxalic acid (2) Petrol (3) Alcohol (4) H2O2
Last Answer : (1) Oxalic acid Explanation: Rust stains can be a challenge to remove because the stain consists of tiny iron oxide particles. Acidic solutions work best for these stains. The important ingredient in these ... the iron and loosen it from the fabric, then hold it in suspension in the wash water.
Description : Which of the following is used to remove ink and rust stains on cloth? (1) Oxalic acid (2) Alcohol (3) Ether (4) Kerosene oil
Last Answer : (1) Oxalic acid Explanation: Oxalic acid is a reducing agent and its conjugate base, known as oxalate, is a chelating agent for metal cations and stain removal. Oxalic acid's main applications include cleaning or bleaching, removal of stains on clothes and the removal of rust.
Description : Stains of rust on clothes can be removed by : (1) Oxalic acid (2) Petrol (3) Alcohol (4) H2O2
Description : How many of the following compounds would give turbidity with lucas reagent without heating (1) Benzyl alcohol (2) Allyl alcohol (3) Cyclohexanol (4)
Last Answer : How many of the following compounds would give turbidity with lucas reagent without heating (1) ... methyl carbionol (9) P-Nitro benzyl alcohol
Description : Herbicide commonly available as fumigant is a). Methyl bromide b). Metham c). Allyl alcohol d). All of these
Last Answer : d). All of these
Description : (A) In allylic substitution propene gives allyl bromide. (R) NBS is a selective brominating agent and gives substitution at the alpha carbon with resp
Last Answer : (A) In allylic substitution propene gives allyl bromide. (R) NBS is a selective brominating agent and gives ... (A) is incorrect but (R) is correct.
Description : 1,1-Dichloropropane reacts with aqueous KOH to give (a) 1,1-Propanediol (b) Acetaldehyde (c) Propanone (d) Propyne
Last Answer : Acetaldehyde
Description : 2,2-Dichloropropane reacts with aqueous KOH to give (a) 2,2-Propanediol (b) Propanal (c) Acetone (d) Propene
Last Answer : Acetone
Description : If the fatty acid is esterified with an alcohol of high molecular weight instead of glycerol, the resulting compound is (A) Lipositol (B) Plasmalogen (C) Wax (D) Cephalin
Last Answer : Answer : C
Description : __________ are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol). (A) Unsaturated polyester (B) Alkyd resins (C) Saturated polyester (D) Amino resins
Last Answer : (B) Alkyd resins
Description : What are soaps? (1) Salts of silicates (2) Ester of heavy fatty acids (3) Sodium or potassium salts of heavier fatty acids (4) Mixture of glycerol and alcohol
Last Answer : (3) Sodium or potassium salts of heavier fatty acids
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 : 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 reaction does not yield an ester as one of the products? (a) A carboxylic acid is heated with an alcohol (b) A Grignard reagent is added to a carboxylic acid (c) An acid halide is treated with an alcohol (d) An alkyl halide is heated with the salt of a carboxylic acid
Last Answer : A Grignard reagent is added to a carboxylic acid
Description : Acrolein is formed when glycerol is heated with
Last Answer : Acrolein is formed when glycerol is heated with A. Acidified `KMnO_(4)` B. `Br_(2)` water C. `KHSO_(4)` D. `HNO_(3)`
Description : When chloroform is heated with aqueous NaOH, it gives (a) Formic acid (b) Sodium formate (c) Acetic acid (d) Sodium acetate
Last Answer : Sodium formate
Description : Which of the following reagents can be used to distinguish between chlorobenzene and allyl chloride? (a) H2/Ni (b) Br2 in CCl4 (c) Zn/HCl (d) NH2NH2
Last Answer : Br2 in CCl4
Description : What is the structural signal of oxalic acid ?
Last Answer : The structural signal of oxalic acid is ( HOOC - COOH)
Description : ______ is used for making vinegar. (1) Tartaric acid (2) Mahe acid (3) Oxalic acid (4) Acetic acid
Last Answer : (4) Acetic acid Explanation: Vinegar is a liquid consisting mainly of acetic acid (CH3COON) and water. The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria. It is mainly used as a cooking ingredient.
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.
Description : Sour taste of lemon is due to the presence of which of the follow-ing? (1) Citric acid (2) Acetic acid (3) Oxalic acid (4) Formic acid
Last Answer : (1) Citric acid Explanation: Lemon juice is about 5% citric acid, which gives lemons a sour taste and a pH of 2 to 3. Citric acid is found in many fruits but lemon contains large quantity of ... of lemon juice makes it a key ingredient in drinks and foods such as lemonade and lemon meringue pie.
Description : Which one of the following organic compound is used to remove stains of iron compounds? (1) Oxalic acid (2) Benzoic acid (3) Phthalic acid (4) Cinnamic acid
Last Answer : (1) Oxalic acid Explanation: Oxalic acid is a reducing agent and its conjugate base, known as oxalate is a chelating agent for metal cations. Oxalic acid's main applications include cleaning or ... agents is due to its forming a stable, water soluble salt with ferric iron, ferrioxalate ion.
Description : The aqueous solution of which acids is called Vinegar - (1) Citric acid (2) Hydrochloric acid (3) Acetic acid (4) Oxalic acid
Last Answer : (3) Acetic acid Explanation: Vinegar is an aqueous solution of acetic acid and trace chemicals that may include flavorings. Vinegar typically contains 5–20% acetic acid by volume.
Description : Curd is sour due to presence of – (1) Tartaric acid (2) Lactic acid (3) Acetic acid (4) Oxalic acid
Last Answer : (2) Lactic acid Explanation: Curds are a dairy product obtained by curdling (coagulating) milk with rennet or an edible acidic substance such as lemon juice or vinegar, and then draining off the liquid ... solid masses, or curds. The remaining liquid, which contains only whey proteins, is the whey.
Description : Which of the following is used to remove rust stains on cloth? (1) Kerosene (2) Lime (3) Oxalic acid solution (4) Petrol
Last Answer : (3) Oxalic acid solution Explanation: Oxalic acid is an organic compound with the formula H2C2O2. It is a colourless crystalline solid that dissolves in water to give colourless solutions. It is classified ... agent and its conjugate base, known as oxalate , is a chelating agent for metal cations.
Description : ______ is used for making vinegar. (1) Tartaric acid (2) Malic acid (3) Oxalic acid (4) Acetic acid
Last Answer : (4) Acetic acid Explanation: Vinegar is a liquid consisting mainly of acetic acid (CH3COOH) and water.
Description : The chief constituent of vinegar is – (1) Formic acid (2) Acetic acid (3) Salycylic acid (4) Oxalic acid
Last Answer : (2) Acetic acid Explanation: Vinegar is a liquid substance consisting mainly of acetic acid (CH3CO2H) and water, the acetic acid being produced through the fermentation of ethanol by acetic acid ... easily available mild acid, it had a great variety of industrial, medical, and domestic uses.
Description : Equivalent weight of crystalline oxalic acid is [MP PMT 1995] (A) 30 (B) 63 (C) 53 (D) 45
Last Answer : (B) 63
Description : ____ is used for making vinegar. (1) Tartaric acid (2) Malic acid (3) Oxalic acid (4) Acetic acid
Last Answer : Acetic acid
Description : Sour taste of lemon is due to the presence of which of the following ? (1) Citric acid (2) Acetic acid (3) Oxalic acid (4) Formic acid
Last Answer : Citric acid
Description : Which is known as carbolic acid? (1) Phenol (2) Ethanol (3) Acetic acid (4) Oxalic acid
Last Answer : Phenol
Description : Which of these acids is not organic in origin? (1) Lactic acid (2) Sulphuric acid (3) Citric acid (4) Oxalic acid
Last Answer : Sulphuric acid
Description : ‘Vinegar’ is a commercial name of (1) Oxalic acid (2) Hydrochloric acid (3) Acetic acid (4) Citric acid
Description : The chief constituent of vinegar is (1) Formic acid (2) Acetic acid (3) Salycylic acid (4) Oxalic acid
Description : Curd is sour due to presence of (1) Tartaric acid (2) Lactic acid (3) Acetic acid (4) Oxalic acid
Last Answer : Lactic acid
Last Answer : Oxalic acid solution
Description : Esters of fatty acids with higher alcohol other than glycerol are called as (A) Oils (B) Polyesters (C) Waxes (D) Terpenoids