Description : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT combination that gives two diff
Last Answer : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT ... )(i)(S) D. (III)(iii)(P)
Description : Match the four material (P, Q, R, S) given in List -I with the corresponding reaction schemes (I, II, III, IV) provided in List-II and select the corr
Last Answer : Match the four material (P, Q, R, S) given in List -I with the corresponding reaction schemes (I, II, III, IV) ... . `{:(P,Q,R,S),(4,1,3,2):}`
Description : Cumene is the starting material for the production of (A) Benzoic acid (B) Phenol and acetone (C) Isoprene (D) Styrene
Last Answer : (B) Phenol and acetone
Description : Which of the following pairs of the compounds can be used as starting materials in the synthesis of 2-Pheny pentan-2-ol?
Last Answer : Which of the following pairs of the compounds can be used as starting materials in the synthesis of 2-Pheny pentan ... (CH_(3))_(2) CHCH_(2) COCH_(3)`
Description : Given below is an incomplete table about certain hormones , their source glands and one major effect of each on the body in humans . Identify the corr
Last Answer : Given below is an incomplete table about certain hormones , their source glands and one major effect of ... Placenta" , "Glucagon" , "Calcitonin"):}`
Description : In an L-C circuit shown in figure C=1F, L=4H At time t=0, charge in the capacitor is 4C and it is decreasing at a rate of `sqrt5 C//s` Choose the corr
Last Answer : In an L-C circuit shown in figure C=1F, L=4H At time t=0, charge in the capacitor is 4C and it is ... a and b are correct D. Both a and b are wrong
Description : The attorney is corr?
Last Answer : The attorney is correct. The contract must be signed by both parties. The process and requirements for filing a lien in Texas are very complex. In addition to contract signed by both parties, ... prepare disclosure statements to attach to your contracts so that you can be protected in the future.
Description : The most appropriate reaction for the conversion of bromobenzene to benzoic acid is
Last Answer : The most appropriate reaction for the conversion of bromobenzene to benzoic acid is A. Reimer- ... C. Claisen rearrangement D. Friedel-Crafts reaction
Description : Which herbicide group inhibitor the photosynthesis reaction ? a). Thiocarbamates b). Triazines c). Cyclohexanedione d). Benzoic acid
Last Answer : b). Triazines
Description : Which one of the following statements is not correct? A Since voltage depends on concentrations, using standard conditions makes it easier to compare different electrochemical reactions. B We have ... half-reactions are determined by combining the relevant half-cell with a standardised half-cell.
Last Answer : C The direction of a redox reaction can only be determined experimentally.
Description : What of the following reactions demonstrates a synthesis reaction A) Mg plus H2SO4 and gt MgSO4 plus H2 B) 2NaCl and gt 2Na plus Cl2 C) C plus O2 and gt CO2 D) Zn plus 2HCl and gt ZnCl2 plus H2?
Last Answer : C+O2 →CO2
Description : Which of the following is an autocatalytic reaction? (A) Photochemical reactions (B) Microbial fermentation reactio (C) Enzyme fermentation reaction (D) Ammonia synthesis reaction
Last Answer : (B) Microbial fermentation reaction
Description : Which of the following reactions is suitable for the preparation of α-amino acids? (a) Schmidt reaction (b) Hofmann's degradation of amides (c) Strecker's synthesis (b) Reduction of nitro compounds
Last Answer : Strecker's synthesis
Description : A mixture of camphor and benzoic acid can be easily separated by which method? -General Knowledge
Last Answer : The answer is 'Chemical method'
Description : By which a mixture of naphthalene and benzoic acid can be separated? -Do You Know?
Last Answer : answer:
Last Answer : Camphor is a sublime solid, hence mixture of camphor and benzoic acid can be separated by sublimation when benzoic acid remains in the pot while camphor vapourise and collected separately.
Description : Phenol and benzoic acid can not be separated by
Last Answer : Phenol and benzoic acid can not be separated by A. `NaHCO_(3)` B. `NaOH` C. Na D. `NaNH_(2)`
Description : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (1) Phenol (2) p-cresol (3) Benzoic acid (4) Benzene sulphonic acid (5) A
Last Answer : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (1) Phenol (2) p-cresol ... P-toluedine (7) Picric acid (8) Squaric acid
Description : (A) Benzoic acid and phenol can be distinguished by NaOH. (R) Benzoic acid is stronger acid than phenol.
Last Answer : (A) Benzoic acid and phenol can be distinguished by NaOH. (R) Benzoic acid is stronger acid than ... in correct D. A is incorrect but R is correct
Description : What is the formula for the combustion of benzoic acid?
Last Answer : You cannot speak of the formula for a reaction. An individualsubstance has a formula. When a chemical reaction is represented insymbols, we must use the word EQUATION. The formula for benzoicacid is C6H5COOH. The equation for its combustion is2C6H5COOH + 15O2 = 14CO2 + 6H2O.
Description : The anti-vitamin for para amino benzoic acid is (A) Aminopterin (B) Dicoumarol (C) INH (D) Sulphanomides
Last Answer : Answer : D
Description : The anti-vitamin for para amino benzoic acid is (A) Aminopterin (B) Dicoumasol (C) Sulphanomides (D) Thiopamic acid
Last Answer : Answer : C
Description : The anti-vitamin for para amino benzoic acid is (A) Aminopterrin (B) Dicoumarol (C) INH (D) Sulphonamides
Description : Folic acid contains (A) Pteridine (B) p-Amino benzoic acid (C) Glutamic acid (D) All of these
Description : Folic acid or folate consists of the (A) Base pteridine, p-amino benzoic acid and asparate (B) Base purine, p-amino benzoic acid and glutamate (C) Base pteridine, p-amino benzoic acid and glutamate (D) Base purine, p-hydroxy benzoic acid and glutamate
Description : Hippuric acid is formed from (A) Benzoic acid and alanine (B) Benzoic acid glycine (C) Glucuronic acid and alanine (D) Glucuronic acid and glycine
Last Answer : Answer : B
Description : The amino acid which detoxicated benzoic acid to form hippuric acid is (A) Glycine (B) Alanine (C) Serine (D) Glutamic acid
Last Answer : Answer : A
Description : The substance most commonly used as a food preservative is (a) sodium bicarbonate (b) tartaric acid (c) acetic acid (d) benzoic acid
Last Answer : Ans:(d)
Description : The acid that can be used as a hypnotic is (a) tartaric acid (b) benzoic acid (c) barbituric acid (d) acetic acid
Last Answer : Ans:(c)
Description : Chemically aspirin is (a) phenol (b) salicylic acid (c) acetyl salicylic acid (d) benzoic acid
Description : Which of the following does not give benzoic acid on hydrolysis? (1) phenyl cyanide (2) benzoyl chloride (3) benzyl chloride (4) methyl benzoate
Last Answer : (3) benzyl chloride Explanation: Hydrolysis is any chemical reaction in which a molecule of water ruptures one or more chemical bonds.
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 : 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 substance most commonly used as a food preservative is – (1) sodium carbonate (2) tartaric acid (3) acetic acid (4) sodium salt of benzoic acid
Last Answer : (4) sodium salt of benzoic acid Explanation: A preservative is a naturally occurring or synthetically produced substance that is added to products such as foods, pharmaceuticals, paints, biological ... can be antioxidants such as oxygen absorbers, which inhibit the oxidation of food constituents.
Description : Detergents are – (1) Sodium salts of fatty acids (2) Sodium salts of sulphonic acids (3) Sodium salt of benzoic acid (4) None of the above
Last Answer : (2) Sodium salts of sulphonic acids Explanation: A detergent is a surfactant or a mixture of surfactants with "cleaning properties in dilute solutiops." These substances are usually alkylbenzenesulfonates, a ... detergent or dish detergent, as opposed to hand soap or other types of cleaning agents.
Description : By which a mixture of naphthalene and benzoic acid can be separated?
Last Answer : Chromatography
Description : A mixture of camphor and benzoic acid can be easily separated by which method?
Last Answer : Chemical method
Description : The organic acid monomer in nylon-66 is (A) Sebacic acid (B) Terephthalic acid (C) Adipic acid (D) Benzoic acid
Last Answer : (C) Adipic acid
Description : Containers made of high silicon cast iron (14% Si) are not suitable for the storage of (A) Acetic acid (B) Benzoic & boric acids (C) Phosphoric acid (95%) & sulphuric acid (95%) (D) Hydrochloric acid (concentrated)
Last Answer : (D) Hydrochloric acid (concentrated)
Description : Arrange the following compounds in increasing order of their acid strength. Benzoic acid, 4-Nitrobenzoic acid, 3, 4-dinitrobenzoic acid, 4-methoxy benzoic acid.
Last Answer : Since electron donating gps. decrease the acid strength therefore 4-methoxybenzoic acid is a weaker acid because methoxy sp. is E. D. G. than benzoic acid. Further since electron withdrawing gps. increase ... : 4-methoxybenzoic acid < benzoic acid < 4-nitrobenzoic acid < 3, 4, dinitrobenzoic acid.
Description : Anthracene undergoes oxidation with O2/V2O5 at 500°C to give (a) Benzoic acid (b) Anthraquinone (c) Phthalic acid (d) Benzophenone
Last Answer : Anthraquinone
Description : Naphthalene undergoes reduction with H2 in the presence of Ni catalyst at high temperature and pressure to give (a) Phthalic acid (b) Decalin (c) Benzoic acid (d) Tetralin
Last Answer : Decalin
Description : Naphthalene undergoes oxidation with Na2Cr2O7 / H2SO4 to form (a) Phthalic acid (b) Phenylacetic acid (c) Tetralin (d) Benzoic acid
Last Answer : Phthalic acid
Description : Which acid is weaker than benzoic acid? (a) p-Methylbenzoic acid (b) p-Chlorobenzoic acid (c) p-Nitrobenzoic acid (d) o-Chlorobenzoic acid
Last Answer : p-Methylbenzoic acid
Description : Which of the following is the strongest acid? (a) Ethanol (b) Phenol (c) Anisole (d) Benzoic acid
Last Answer : Benzoic acid
Description : Which of the following is the strongest acid? (a) Trichloroacetic acid (b) Phenol (c) Acetic acid (d) Benzoic acid
Last Answer : Trichloroacetic acid
Description : The order of increasing acidity is : (a) chloroacetic acid > formic acid > benzoic acid (b) benzoic acid > formic acid > chloroacetic acid (c) all are the same (d) not determinable from available data
Last Answer : chloroacetic acid > formic acid > benzoic acid
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 : Methyl benzoate on hydrolysis gives (a) Acetic acid (b) Benzoic acid (c) Picric acid (d) Phenylacetic acid