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.
Description : Sodium phenoxide reacts with CO2 at 125°C under 5 atm pressure to give salicylic acid. This reaction is called (a) Kolbe's reaction (b) Perkin reaction (c) Wurtz reaction (d) HVZ reaction
Last Answer : Kolbe's reaction
Description : Compound (A) when reacted with PCl5 and then with ammonia gave (B). Compound (B) when treated with bromine and NaOH, produced (C). Compound (C) on treatment with NaNO2/HCl at 0°C and then boiling with H2O ... Compound (A) is (a) o-Toluic acid (b) o-Chlorotoluene (c) m-Toluic acid (d) o-Bromotoluene
Last Answer : o-Toluic acid
Description : Why is CuSO4 more soluble in water than in an organic solvent and why is the reverse true salicylic acid?
Last Answer : Water and copper sulfate are both polar compound; polar compounds are dissolved better in polar solvents. Salycilic acid is also polar but the solubility is lower because the benzene ring has a negative effect.
Description : Acetyl salicylic acid is soluble in (a) An aqueous base (b) Water (c) An aqueous acid
Last Answer : Ans: A
Description : Sodium bicarbonate reacts with salicylic acid to form
Last Answer : Sodium bicarbonate reacts with salicylic acid to form A. `C_(6)H_(5)O Na` B. C. D.
Description : Salicylic acid is produced when phenol in alcoholic KOH is treated with
Last Answer : Salicylic acid is produced when phenol in alcoholic KOH is treated with A. `CH_(3)Cl` B. `CHCl_(3)` C. `CH_(2)Cl_(2)` D. `C Cl_(4)`
Description : Why is cuso4 the reverse true salicylic acid?
Last Answer : Feel Free to Answer
Description : Why is salicylic acid the reverse of CuSO4?
Description : The hydrogen bonds between peptide linkages are interfered by (A) Guanidine (B) Uric acid (C) Salicylic acid (D) Oxalic acid
Last Answer : Answer : A
Description : The hydrogen bonds between peptide linkages of a protein molecules are interfered by (A) Guanidine (B) Uric acid (C) Oxalic acid (D) Salicylic acid
Description : Decomposition of the acetyl salicylic acid at room temperature most likely would occur by (a) Oxidation of the ester (b) Reduction of the carboxylic acid (c) Hydrolysis of the ester
Last Answer : Ans: C
Description : Acetyl salicylic acid is 1. Used as a tear gas 2. Aspirin 3. A pain killer 4. A sedative The correct answers are: (a) 1 and 4 (b) 1 and 2 (c) 2 and 3 (d) 2 and 4
Last Answer : Ans:(c)
Description : Chemically aspirin is (a) phenol (b) salicylic acid (c) acetyl salicylic acid (d) benzoic acid
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 : 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.
Description : Which one of the following is used as a sowing agent in the preparation of soft drinks? (1) Phosphoric acid (2) Phosphorus acid (3) Salicylic acid (4) Boric acid
Last Answer : (1) Phosphoric acid Explanation: Phosphoric acid was the foundation of the soft-drink industry, long before Coca-Cola's popularity. Phosphoric acid is deliberately added to soft drinks to give them a sharper flavor. It also slows the growth of molds and bacteria, which would otherwise multiply.
Description : Acetyl salicylic acid is commonly used as which medicine?
Last Answer : A pain killer
Description : When a mixture of salicylic acid, acetic anhydride and acetic acid is refluxed, what is the product obtained and what is its use in everyday life ?
Last Answer : Ans. Aspirin used as analgesic.
Description : What is salicylic acid?
Last Answer : Salicylic acid is a poly functional compound which contains one – OH and one – COOH group. It is used in the production of aspirin.
Description : What is the common name for the drug acetyl salicylic acid? A. Paracetamol B. Analgin C. Aspirin (Answer) D. Penicillin
Last Answer : C. Aspirin (Answer)
Description : The following are known to cause cataract: a. prozac b. simvastatin c. salicylic acid d. chlorpromazine
Last Answer : chlorpromazine
Description : Oil of Wintergreen (Methyl salicylate) is obtained by treating salicylic acid with (a) Methane at 150°C (b) CH3OH and conc. H2SO4 (c) Methyl chloride (d) NaOH and then CH3OH
Last Answer : CH3OH and conc. H2SO4
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
Description : Which of the following compounds is aspirin (a) Methyl salicylate (b) Salicylic acid (c) Phenyl salicylate (d) Acetylsalicylic acid
Last Answer : Acetylsalicylic acid
Description : Choose the right combination: (A) Quinine', antimalarial, isoquinoline alkaloid (B) Reserpine, -antihypertensive, indole alkaloid (C) Quantitative microscopy, stomatal number, myrrh (D) Palmitic acid, salicylic acid , fatty acids
Last Answer : (B) Reserpine, -antihypertensive, indole alkaloid
Description : When taking Mono Amino Oxidase Inhibitors (MAOI); which drugs are contra indicated: I. Barbiturate II. Local anaesthetic III. Pethidine IV. Acetyl salicylic acid A. All of the above B. None of the above C. I, II and III D. II, III and IV
Last Answer : C. I, II and III
Description : Drugs contraindicated with Monoaminoxidase Inhibitors (MAOI):VERY IMP AND CONTROVERSIAL QUESTION A. Barbiturates B. Pethidine C. Local Anaesthesia with felypressin D. Narcotic analgetics E. Salicylic acid
Last Answer : B. Pethidine
Description : Mesalazine (coated 5-amino salicylic acid) differs from sulfasalazine in that: A. It is more effective in ulcerative colitis B. It produces less adverse effect C. It has no therapeutic effect in rheumatoid arthritis D. Both ‘B’ and ‘C’ are correc
Last Answer : D. Both ‘B’ and ‘C’ are correct
Description : The plasma half life of aspirin (along with salicylic acid released from it): A. Remains constant irrespective of dose B. Is longer for antiinflammatory doses compared to that for analgesic ... for antiinflammatory doses compared to that for analgesic dose D. Can be shortened by acidifying urine
Last Answer : B. Is longer for antiinflammatory doses compared to that for analgesic dose
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
Last Answer : Phosphoric acid
Description : Aspirin is common name of (1) Salicylic Acid (2) Salicylate (3) Methyl Salicylate (4) Acetyl Salicylic Acid
Last Answer : Acetyl Salicylic Acid
Description : The structure of the compound that gives a tribromo derivative on treatment with bromine water is `:`
Last Answer : The structure of the compound that gives a tribromo derivative on treatment with bromine water is `:` A. B. C. D.
Description : Can you use a salicylic topical product while taking aspirin?
Last Answer : no
Description : The product obtained when 4-hydroxybenzene sulphonic acid is treated with an excess of bromine water is
Last Answer : The product obtained when 4-hydroxybenzene sulphonic acid is treated with an excess of bromine water ... sulphonic acid D. 2,4,6-tribromophenol
Description : The sprayers are cleaned before use by— (A) 1% chlorine water (B) 1% hydrochloric acid (C) 1% ammonia water (D) 1% bromine water
Last Answer : (B) 1% hydrochloric acid
Description : Le-Blanc process is a primitive process for the manufacture of (A) Caustic soda (B) Soda ash (C) Bromine from sea water (D) Hydrochloric acid
Last Answer : (B) Soda ash
Description : 4-amino-3-methylbutanoic acid is treated with thionyl chloride followed by ammonia to obtain compound X. X on reaction with, bromine in an alkaline me
Last Answer : 4-amino-3-methylbutanoic acid is treated with thionyl chloride followed by ammonia to obtain compound X. X on ... B. 80 mL C. 120 mL D. 200 mL
Description : concentrated sulphuric acid on reaction with NaCl, NaBr and Nal produces HCl, bromine and iodine respectively. What order of oxidising ability of halo
Last Answer : concentrated sulphuric acid on reaction with NaCl, NaBr and Nal produces HCl, bromine and iodine respectively. What ... gt l_(2) gt H_(2)SO_(4)`
Description : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : dry iodine reacts with ozone and formed yell
Last Answer : `S_(1):(HPO_(3))_(n)` can be prepared by heating phosphorous acid and bromine in a sealed tube. `S_(2)` : ... below 369 K. A. FTF B. TTF C. TTT D. TFF
Description : Out of the following, copper vessels are the most suitable for the storage of (A) Bromine (B) Dry chlorine & dry fluorine (C) Nitric acid (95% and fuming) (D) Phosphoric acid (95%) & sulphuric acid (95% and fuming)
Last Answer : (B) Dry chlorine & dry fluorine
Description : Phenol reacts with excess bromine water to give (a) o- plus p-Bromophenol (b) Bromobenzene (c) 2,4,6-Tribromophenol (d) m-Bromophenol
Last Answer : 2,4,6-Tribromophenol
Description : Which of the following will give a precipitate with excess bromine water? (a) Bromobenzene (b) Aniline (c) Nitrobenzene (d) Toluene
Last Answer : Aniline
Description : Phenol reacts with bromine in carbon disulphide at low temperature to give
Last Answer : Phenol reacts with bromine in carbon disulphide at low temperature to give A. m-bromophenol B. o-and p ... C. p-bromophenol D. 2, 4,6-tribromophenol
Description : A white solid reacts with dilute HCI to give colourless gas that de-colourises aqueous bromine. The solid is likely to be.
Last Answer : A white solid reacts with dilute HCI to give colourless gas that de-colourises aqueous bromine. ... chloride C. Sodium acetate D. Sodium thiosulphate
Description : Why cant there be no such compound as CBr5 give an acceptable chemical formula for a compound that is made of only carbon and bromine?
Last Answer : Carbon atoms have 4 valence electrons, so it can form only 4 bonds. CBr5 would require carbon to form 5 bonds. A molecule composed of carbon and bromine atoms would be CBr4, which is carbon tetrabromide.
Description : Which of the following agents is used in order to make benzene react with bromine to give bromobenzene? (a) Ultraviolet light (b) Fe catalyst (c) Nickel catalyst (d) Al2O3 catalyst
Last Answer : Fe catalyst
Description : Toluene reacts with bromine in the presence of uv light to give (a) m-Bromotoluene (b) Benzyl bromide (c) o-Bromotoluene (d) Benzoyl bromide
Last Answer : Benzyl bromide