[{"id":124927,"question":"Which of the following reactions is used for detecting presence of carbonyl group?","choices":[{"text":"Reaction with hydroxylamine","value":"A"},{"text":"Reaction with hydrazine","value":"B"},{"text":"Reaction with phenyl hydrazine","value":"C"},{"text":"All","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124925,"question":"Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBH<sub>4</sub>or LiAIH<sub>4</sub>?","choices":[{"text":"1-propanol","value":"A"},{"text":"2-propanol","value":"B"},{"text":"2-Methyl-2-propanol","value":"C"},{"text":"Ethanol","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124923,"question":"Calcium acetate when dry distilled gives","choices":[{"text":"Formaldehyde","value":"A"},{"text":"Acetaldehyde","value":"B"},{"text":"Acetone","value":"C"},{"text":"Acetic anhydride","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124922,"question":"Isopropyl alcohol on oxidation forms","choices":[{"text":"Acetone","value":"A"},{"text":"Ether","value":"B"},{"text":"Ethylene","value":"C"},{"text":"Acetaldehyde","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124920,"question":"When alcohol reacts with concentreated H<sub>2</sub>SO<sub>4</sub>intermediate compound formed as","choices":[{"text":"carbonium ion","value":"A"},{"text":"alkoxy ion","value":"B"},{"text":"alkyl hydrogen sulphate","value":"C"},{"text":"non of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124919,"question":"The only alcohol that can be prepared by the indirect hydration of alkene is","choices":[{"text":"ethyl alcohol","value":"A"},{"text":"propyl alcohol","value":"B"},{"text":"isobutyl alcohol","value":"C"},{"text":"methyl alcohol","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124917,"question":"Which more acidic?","choices":[{"text":"o-cresol","value":"A"},{"text":"p-nitrophenol","value":"B"},{"text":"phenol","value":"C"},{"text":"m-cresol","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124915,"question":"During dehydration of alcohols to alkenes by heating with conc. H<sub>2</sub>SO<sub>4</sub>, the initial step is","choices":[{"text":"Formation of an ester","value":"A"},{"text":"Protonation of alcohol molecule","value":"B"},{"text":"Formation of carbocation","value":"C"},{"text":"Elimination of water","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124913,"question":"Organic acid without a carboxylic acid group is","choices":[{"text":"Ascorbic acid","value":"A"},{"text":"Vinegar","value":"B"},{"text":"Oxalic acid","value":"C"},{"text":"Picric acid","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124912,"question":"An organic compound A reacts with methyl magnesium iodide to form an addition product which on hydrolysis forms the compound B . Compound B gives blue colour salt in Victor Meyer's test.The compounds A and B are respectively","choices":[{"text":"Acetaldehyde, tertiary butyl alcohol","value":"A"},{"text":"Acetaldehyde, ethyl alcohol","value":"B"},{"text":"Acetaldehyde, isopropyl alcohol","value":"C"},{"text":"Acetone, isopropyl alcohol","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124909,"question":"3 moles of ethanol react with one mole of phosphorus tribromide to from 3 moles of bromoethane and on mole of X. Which of the following is X?","choices":[{"text":"H<sub>3</sub>PO<sub>4</sub>","value":"A"},{"text":"H<sub>3</sub>PO<sub>2</sub>","value":"B"},{"text":"HPO<sub>3</sub>","value":"C"},{"text":"H<sub>3</sub>PO<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124908,"question":"A compound is soluble in conc. H<sub>2</sub>SO<sub>4</sub>, it does not decolourise bromine in carbon tetrachloride but is oxidized by chromic anhydride in aqueous sulphuric acid within two seconds, turning orange solution to blue, green and then opaque. The original compound is","choices":[{"text":"Primary alcohol","value":"A"},{"text":"Tertiary alcohol","value":"B"},{"text":"alkene","value":"C"},{"text":"ether","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124906,"question":"A compound of the formula C<sub>4</sub>H<sub>10</sub>O<sub>reacts with sodium and undergoes oxidation to give a carbonyl compound which does not reduce Tollen's reagent, the original compound is</sub>","choices":[{"text":"Diethyl ether","value":"A"},{"text":"n-Butyl alcohol","value":"B"},{"text":"Isobutyl alcohol","value":"C"},{"text":"sec-Butyl alcohol","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124905,"question":"Which of the following is correct?","choices":[{"text":"Reduction of any aldehyde gives secondary alcohol","value":"A"},{"text":"Reaction of vegetable oil with H<sub>2</sub>SO<sub>4</sub>gives glycerine","value":"B"},{"text":"Alcoholic iodine with NaOH gives iodoform","value":"C"},{"text":"Sucrose on reaction with NaCl gives invert sugar","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124904,"question":"Which of the following compound is obtained on passing ethanol vapours on heated Al<sub>2</sub>O<sub>3</sub>?","choices":[{"text":"Ethylether","value":"A"},{"text":"Acetone","value":"B"},{"text":"Ethane","value":"C"},{"text":"Ethanol","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124903,"question":"When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is","choices":[{"text":"Oxalic acid","value":"A"},{"text":"Glyoxal","value":"B"},{"text":"Formic acid","value":"C"},{"text":"Ethanol","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124902,"question":"Propanone is the product obtained by dehydrogenation of","choices":[{"text":"2-Propanol","value":"A"},{"text":"1-Propanol","value":"B"},{"text":"Isobutyl alcohol","value":"C"},{"text":"Propanethoil","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124901,"question":"Picric acid is","choices":[{"text":"2, 4, 6-Trinitrotoluene","value":"A"},{"text":"2, 4, 6-Tribomoethanol","value":"B"},{"text":"2, 4,6-Trinitrophenol","value":"C"},{"text":"Para-Nitrophenol","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124900,"question":"Na reacts with phenol to produce","choices":[{"text":"H<sub>2</sub>gas","value":"A"},{"text":"Benzene","value":"B"},{"text":"CO<sub>2</sub>gas","value":"C"},{"text":"CO gas","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124899,"question":"Which of the following is the most suitable method for removing the traces of water from ethanol?","choices":[{"text":"Reacting with Na metal","value":"A"},{"text":"Passing dry HCl through it","value":"B"},{"text":"Distilling it","value":"C"},{"text":"Reacting with Mg","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124898,"question":"Which of the following will not give iodoform test?","choices":[{"text":"Ethanol","value":"A"},{"text":"Ethanal","value":"B"},{"text":"Isopropyl alcohol","value":"C"},{"text":"Benzyl alcohol","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124884,"question":"Phenol gives ---------- Colour with neutral FeCl<sub>3</sub>solution","choices":[{"text":"Violet","value":"A"},{"text":"Green","value":"B"},{"text":"Red","value":"C"},{"text":"Blue","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124880,"question":"Ethylene reacts will 1% cold alkaline KMnO<sub>4</sub>to give","choices":[{"text":"Oxalic acid","value":"A"},{"text":"Acetone","value":"B"},{"text":"Ethylene glycol","value":"C"},{"text":"Formaldehyde","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124879,"question":"Which of the following compound is known as oil of winter green?","choices":[{"text":"Phenyl benzoate","value":"A"},{"text":"Phenyl salicylate","value":"B"},{"text":"Phenyl acetate","value":"C"},{"text":"Methyl salicylate","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124877,"question":"The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called","choices":[{"text":"Kolbe's reaction","value":"A"},{"text":"Perkin's reaction","value":"B"},{"text":"Sandmeyer's reaction","value":"C"},{"text":"Schotten Baumann reaction","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124876,"question":"I-Phenylethanol can be prepared by reaction of benzaldehyde with","choices":[{"text":"Methyl iodide an Magnesium","value":"A"},{"text":"Methyl bromide","value":"B"},{"text":"Methyl bromide and AIBr<sub>3</sub>","value":"C"},{"text":"C<sub>2</sub>H<sub>5</sub>l and Mg","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124875,"question":"An organic compound 'X' on treatment with acidified K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>gives a compound 'Y' which reacts with I<sub>2</sub>and sodium carbonate to form Triodomethane. The compound 'X' is","choices":[{"text":"CH<sub>3</sub>OH","value":"A"},{"text":"CH<sub>3</sub>CHO","value":"B"},{"text":"CH<sub>3</sub>CH(OH)CH<sub>3</sub>","value":"C"},{"text":"CH<sub>3</sub>COCH<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124870,"question":"The boiling point of glycerol is more than propanal because of","choices":[{"text":"Hybridisation","value":"A"},{"text":"H-bonding","value":"B"},{"text":"Resonance","value":"C"},{"text":"All these factors","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124854,"question":"Which of the following process is employed to convert alkyl halide into alcohol?","choices":[{"text":"Addition","value":"A"},{"text":"Substitution","value":"B"},{"text":"Dehydrohalogenation","value":"C"},{"text":"Molecular rearrangement","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124853,"question":"Which statement in not correct about alcohol?","choices":[{"text":"Ethyl alcohol is heavier than water","value":"A"},{"text":"Ethyl alcohol ecaporates more quickly","value":"B"},{"text":"Alcohol with less number of carbon atoms is more soluble in water than alcohol with more number of carbons atoms","value":"C"},{"text":"Alcohol produces H<sub>2</sub>by reaction with sodium metal","value":"D"},{"value":"E"}],"correctAnswer":1}]