[{"id":140278,"question":"Formic acid is obtained when","choices":[{"text":"Calcium acetate is heated with conc. H<sub>2</sub>SO<sub>4</sub>","value":"A"},{"text":"Calcium formate is heated with calcium acetate","value":"B"},{"text":"Glycerol is heated with oxalic acid","value":"C"},{"text":"Acetaldehyde is oxidized with K2Cr<sub>2</sub>O<sub>7</sub> and H<sub>2</sub>SO<sub>4</sub>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140277,"question":"Sulphonation of benzoic acid produces mainly","choices":[{"text":"o-Sulphobenzoic acid","value":"A"},{"text":"m-Sulphobenzoic acid","value":"B"},{"text":"p-Sulphobenzoic acid","value":"C"},{"text":"o- and p-Sulphobenzoic acid","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140276,"question":"Heating a mixture of sodium benzoate and soda lime gives","choices":[{"text":"Methane","value":"A"},{"text":"Benzene","value":"B"},{"text":"Sodium benzoate","value":"C"},{"text":"Calcium benzoate","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140275,"question":"Toluene can be oxidized to benzoic acid by","choices":[{"text":"KMnO<sub>4</sub>(alk)","value":"A"},{"text":"K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>(acidic)","value":"B"},{"text":"Both","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140274,"question":"Reaction of acids with alcohols is also known as","choices":[{"text":"Esterification","value":"A"},{"text":"Saponification","value":"B"},{"text":"Alkalization","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":140273,"question":"Acetic anhydride is obtained from acetyl chloride by the reaction of","choices":[{"text":"P<sub>2</sub>O<sub>5</sub>","value":"A"},{"text":"H<sub>2</sub>SO<sub>4</sub>","value":"B"},{"text":"CH<sub>3</sub>COONa","value":"C"},{"text":"CH<sub>3</sub>COCH<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140272,"question":"In public urinals, we observe some nascent smell. This smell is due to","choices":[{"text":"Hydrolysis of urea of urine by urease of atmosphere into NH<sub>3 </sub>and CO<sub>2</sub>","value":"A"},{"text":"Formation of sulphonic acid by urea of urine","value":"B"},{"text":"Reaction of CO<sub>2</sub>of atmosphere with urea mononitrate in urine","value":"C"},{"text":"Hydregen present in air reacts with nitrogen forming NH<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":140271,"question":"Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBh<sub>4</sub>or LiAH<sub>4</sub>?","choices":[{"text":"1-Propanol","value":"A"},{"text":"2-Propanol","value":"B"},{"text":"2-Methyl2-Proponal","value":"C"},{"text":"Ethanol.","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140270,"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":140269,"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":140268,"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":140267,"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":140266,"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":140265,"question":"Propyne on hydrolysis is presence of H<sub>2</sub>SO<sub>4</sub>and HgSO<sub>4 gives</sub>","choices":[{"text":"Acetaldehyde","value":"A"},{"text":"Acetone","value":"B"},{"text":"Formaldehyde","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140264,"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}]