[{"id":124949,"question":"A compound A has a molecular formula C<sub>2</sub>Cl<sub>3</sub>OH. It reduces Fehling solution and on oxidation produces a monocarboxylic acid B.A can also be obtained by the action of Cl<sub>2</sub>on Ethanol. A is","choices":[{"text":"Chloral hydrate","value":"A"},{"text":"CHCl<sub>3</sub>","value":"B"},{"text":"CH<sub>3</sub>Cl","value":"C"},{"text":"Chloroacetic acid","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124947,"question":"Self condensation of acetaldehyde in the presence of dilute alkalies gives","choices":[{"text":"An acetal","value":"A"},{"text":"An aldol","value":"B"},{"text":"Mesitylene","value":"C"},{"text":"Propionaldehyde","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124946,"question":"Which of the following does not react with phenyl hydrazine?","choices":[{"text":"Ethanol","value":"A"},{"text":"Ethanal","value":"B"},{"text":"Acetone","value":"C"},{"text":"Acetophenone","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124945,"question":"A nucleophilic reagent will readily Attack","choices":[{"text":"Ethylene","value":"A"},{"text":"Ethanal","value":"B"},{"text":"Ethanol","value":"C"},{"text":"Ethylamine","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124944,"question":"When vapours of isopropyl alcohol are passed over heated copper, the major product obtained is","choices":[{"text":"Propane","value":"A"},{"text":"Propylene","value":"B"},{"text":"Acetaldehyde","value":"C"},{"text":"Acetone","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124943,"question":"Which of the following is hypnotic?","choices":[{"text":"Acetaldehyde","value":"A"},{"text":"Metaldehyde","value":"B"},{"text":"Paraldehyde","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124942,"question":"Wacker method involves the conversion of alkene using PdCl<sub>2</sub>into corresponding","choices":[{"text":"Alcohol","value":"A"},{"text":"Ketone","value":"B"},{"text":"Aldehyde","value":"C"},{"text":"Ether","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124941,"question":"Which of the following gives iodoform on heating with a solution of I<sub>2</sub>containing Na<sub>2</sub>CO<sub>3</sub>?","choices":[{"text":"Ethyl alcohol","value":"A"},{"text":"Acetone","value":"B"},{"text":"Ethyl alcohol as well as acetone","value":"C"},{"text":"Methyl alcohol","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124940,"question":"Aldehydes can be distinguished from ketones by using","choices":[{"text":"Schiff's reagent","value":"A"},{"text":"Conc. H<sub>2</sub>SO<sub>4</sub>","value":"B"},{"text":"Anhy. ZnCl<sub>2</sub>","value":"C"},{"text":"Resorcinol","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124939,"question":"Aromatic aldehydes undergo disproportionation in presence of sodium or potassium hydroxide to give corresponding alcohol and acid. The reaction is known as","choices":[{"text":"Wurtz reaction","value":"A"},{"text":"Cannizzaro reaction","value":"B"},{"text":"Friedel Craft reaction","value":"C"},{"text":"Claisen reaction","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124938,"question":"Which of the following does not turn Schiff's reagent to pink?","choices":[{"text":"Formaldehyde","value":"A"},{"text":"Bezaldehyde","value":"B"},{"text":"Aceton","value":"C"},{"text":"Methyl chloride","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124935,"question":"At room temperature formaldehyde is","choices":[{"text":"Gas","value":"A"},{"text":"Liquid","value":"B"},{"text":"Solid","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124934,"question":"Cannizzaro reaction is not given by","choices":[{"text":"Trimethyl acetaldehyde","value":"A"},{"text":"Acetaldehyde","value":"B"},{"text":"Benzaldehyde","value":"C"},{"text":"Formaldehyde","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124932,"question":"On heating acetaldehyde with ammonical silver nitrate solution, we get","choices":[{"text":"CH<sub>3</sub>OH","value":"A"},{"text":"Silver acetate","value":"B"},{"text":"HCHO","value":"C"},{"text":"Silver mirror","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124930,"question":"Aldehydes are produce in atmosphere by","choices":[{"text":"Oxidation of secondary alcohols","value":"A"},{"text":"Reduction of alkenes","value":"B"},{"text":"Reaction of oxygen atoms with hydrocarbons","value":"C"},{"text":"Reaction of oxygen atoms with ozone","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124929,"question":"Propyne on hydrolysis in presence of H<sub>2</sub>SO<sub>4</sub>and HgSO<sub>4</sub>gives","choices":[{"text":"Acetaldehyde","value":"A"},{"text":"Acetone","value":"B"},{"text":"Formaldehyde","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124928,"question":"Tollen's reagent is","choices":[{"text":"Ammonical cuprous chloride","value":"A"},{"text":"Ammonical cuprous oxide","value":"B"},{"text":"Ammonical silver bromide","value":"C"},{"text":"Ammonical silver nitrate","value":"D"},{"value":"E"}],"correctAnswer":4},{"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":112497,"question":"A common industrial solvent is a mixture of propanone; CH<sub>3</sub>COCH<sub>3</sub>, and pentyl ethanoate CH<sub>3</sub>CO<sub>2</sub>(CH<sub>2</sub>)<sub>4</sub>CH<sub>3</sub>. Which reagent would have no effect on this solvent","choices":[{"text":"Na<sub>(s)</sub>","value":"A"},{"text":"NaBH<sub>4</sub>","value":"B"},{"text":"NaOH<sub>(aq)</sub>","value":"C"},{"text":"2,4-dinitrophenylhydrazine reagent","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112496,"question":"Which of these reactions is shown by buranone, CH<sub>3</sub>COCH<sub>2</sub>CH<sub>3</sub>","choices":[{"text":"On warming with acidified potassium dichromative (IV) the solution turns green","value":"A"},{"text":"On heating with Fehling's reagent a red precipitate is formed","value":"B"},{"text":"With 2,4-dinitrophenlhydrazine reagent an orange precipitate is formed","value":"C"},{"text":"With hydrogen cyanide an aldehyde is formed","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112495,"question":"","questionImage":"112495_636320992779757022-RQ.jpg","choices":[{"text":"With H<sub>2</sub>/Ni   CH<sub>3</sub>(CH<sub>2</sub>)<sub>5</sub>CH<sub>2</sub>OH","value":"A"},{"text":"With H<sub>2</sub>/Ni   CH<sub>3</sub>(CH<sub>2</sub>)<sub>5</sub>CH<sub>3</sub>","value":"B"},{"text":"With NaBH<sub>4</sub> CH<sub>3</sub>(CH<sub>2</sub>)<sub>5</sub>CH<sub>2</sub>OH","value":"C"},{"text":"With NaBH<sub>4</sub> CH<sub>3</sub>(CH<sub>2</sub>)<sub>5</sub>CHO","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112493,"question":"","questionImage":"112493_636320990721617903-RQ.jpg","choices":[{"text":"Q and R      Q and R","value":"A"},{"text":"R only       Q and R","value":"B"},{"text":"Q and R     R only","value":"C"},{"text":"Q only       R only","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112488,"question":"Which compound would undergo nucleophilic addition","choices":[{"text":"Ethene, C<sub>2</sub>H<sub>4</sub>","value":"A"},{"text":"Bromoethane, C<sub>2</sub>H<sub>5</sub>Br","value":"B"},{"text":"Ethanal, CH<sub>3</sub>CHO","value":"C"},{"text":"Ethane, C<sub>2</sub>H<sub>6</sub>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112484,"question":"Ethanal may be converted into a three-carbon acid in a two-step process.<div>Which compound is the intermediate</div>","choices":[{"text":"CH<sub>3</sub>CO<sub>2</sub>H","value":"A"},{"text":"CH<sub>3</sub>CN","value":"B"},{"text":"CH<sub>3</sub>CH<sub>2</sub>CN","value":"C"},{"text":"CH<sub>3</sub>CH(OH)CN","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112480,"question":"A compound R has all of the following properties. It is neutral; It gives an orange precipitate with 2,4-dinitrophenythydrazine; it evolves hydrogen chloride when treated with PCI<sub>5</sub>in the cold What could R be","choices":[{"text":"","img":"112480_636320987292269439-RA1.jpg","value":"A"},{"text":"","img":"112480_636320987292269439-RA2.jpg","value":"B"},{"text":"","img":"112480_636320987292269439-RA3.jpg","value":"C"},{"text":"","img":"112480_636320987292269439-RA4.jpg","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112471,"question":"Which compound on reaction with hydrogen cyanide produces a compound with a chiral centre","choices":[{"text":"Ch<sub>3</sub>CHO","value":"A"},{"text":"CH<sub>3</sub>CH<sub>2</sub>COCH<sub>2</sub>CH<sub>3</sub>","value":"B"},{"text":"CH<sub>3</sub>CO<sub>2</sub>CH<sub>3</sub>","value":"C"},{"text":"HCHO","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112460,"question":"Aldehydes and ketones are carbonyl compounds. Which of them react both with NaBH<sub>4</sub>and with Tollen's reagent","choices":[{"text":"Both aldehydes and ketones","value":"A"},{"text":"Aldehydes only","value":"B"},{"text":"Ketones only","value":"C"},{"text":"Neither aldehydes nor ketones","value":"D"},{"value":"E"}],"correctAnswer":2}]