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IIT JEE Aldehydes And Ketones

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1. Aromatic aldehydes react with primary amines to form




2. On heating a mixture of calcium formate and calcium propanoate??is obtained




3. Which of the following does not reduce Fehling?s solution?




4. Acetaldehyde when treated with ethyl alcohol in the presence of dil HCl gives




5. Calcium formate of heating gives




6. Calcium acetate on heating gives




7. Which of the following does not have alpha hydrogen?




8. Shape of the carboxyl group is




9. Which of the following is used in medicine as a hypnotic?




10. Which of the following is a sedative?




11. Calcium salt of propionic acid is distilled in dry conditions. The product formed will show




12. Which of the following can reduce Tollens reagent but no Fehlings soln.?




13. IUPAC name of crotanaldehyde is




14. Etards reaction involves the preparation of benzaldehyde from




15. Oxidation of secondary alcohol to ketone with aluminium tert. butanide is known as




16. Trimer of formaldehyde is known as




17. Ethylidene chloride is hydrolysed with aqueous NaOH. The product formed is




18. A mixture of acetic acid and formic acid is passed over MnO at 303 degreeCentigrade. The product obtained is




19. Methyl cyanide is dissolved in ethyl formate and reduced with stannous chloride and hydrochloric acid. The product is then steam distilled. The distillate will be




20. Which of the following is obtained from pyryligenenous acid?




21. Which of the following is a hypnotic?




22. Which of the following is liquid at room temperature?




23. Which of the following is the most reactive?




24. Which of the following will not reduce Tollens reagent?




25. Which of the following groups can occur at the end of the chain only?




26. Which of the following will give an aldehyde on oxidation?




27. Mesitylene is




28. Oximes are isomeric with




29. Acetone when distilled with conc. sulphuric acid gives




30. Vinyl alcohol and ehtanal are




31. Which of the following does not undergo benzoin condensation ?




32. Which of the following will not form when the mixture of calcium acetate and calciumformate is distilled ?




33. Bimolecular reduction of acetone gives




34. Which of the following compound will not undergo Cannizzaros reaction ?




35. Clemmensens reduction will convert cyclobutanone to




36. 2-Pentanone and 3-Methylbutan-2-one are




37. One mole of an organic compound is found to require only 0.5 mole of oxygen to produce an acid. Which class of compound does the starting meterial belong to ?




38. Benzaldehyde and malonic acid react to give




39. The main point of similarity between Etards reaction and Vilsmeyer reaction is




40. Which of the following compounds will react with ethanolic KCN?




41. Which of the following name is associated with the reduction of aldehyde/ketone by using the reagent aluminium isopropoxide ?




42. The reaction of acetaldehyde and acetone in the presence of dilute alkali is called




43. Which aming the following gives positive iodoform test as well as positive Fehling testAcetophenone.




44. Cannizaro reaction involves




45. Which of the following ketone will not respond to iodoform test?




46. When benzyl methyl ketone is allowed to react with ethylene glycol in benzene the product formed is




47. Which of the following aldehyde will undergo Cannizzaros reaction?




48. Which ketone will form 3-ethylpentan-3-ol on treatment with ethyl magnesium bromide.




49. Which of the following will show disproportionation when treated with 50% aqueous NaOH?




50. Which of the following is enolisable.




51. m-Chlorobenzaldehyde on reaction with conc. KOH at room temperature gives




52. The adduct of ethyl magnesium iodide and methanal is hydrolysed. The final product is




53. The compound having least solubility in water isMethanalAcetone




54. Which of following possesses highest value of dipole moment ?




55. Ehtananl is treated with ammonia and adduct formed is warmed. The final product is




56. The product of chemical reaction between benzaldehyde and alcoholic KCN is commonly called




57. In order to prepare acetone from acetyl chloride in one step which of the following reagent will be best?




58. Which of the following is capable of acting as hypnotic ?




59. Hypnone is commercial name of




60. Pinacolone is