Q.1 The best method for the conversion of ethanol to ethanal is-
Q.2 When propyne reacts with 20% H2SO4 & 1% HgSO4 , we get-
Q.3 The product formed by the reaction of propyne with dil. H2SO4 in the presence of Hg2+ can not be prepared by the following reaction-
Q.4 Except acetylene, other alkynes react with H2O to give-
Q.5 When CH3MgI reacts with CH3CN and the product is hydrolysed, we get-
Q.6 Ethylidene chloride (CH3CHCl2) on hydrolysis with NaOH gives -
Q.8 When calcium acetate is heated with calcium formate then, we get-
Q.9 Partial oxidation of methane gives-
Q.11 Acetone will be obtained by the ozonolysis of -
Q.12 What is the function of BaSO4 in Rosenmund reactionn -
Q.13 The slow partial oxidation of ethyl alcohol is likely to form-
Q.14 Reaction of ethyl formate with excess of CH3MgI followed by hydrolysis gives:
Q.15 Compound used for preserving dead bodies is -
Q.16 Which fo the following forces is correctly described about boiling point of Aldehydes & ketones -
Q.17 Which aldehyde is insoluble in H2O -
Q.18 The general order of reactivity of carbonyl compounds for nucleophilic addition reactions is -
Q.20 What would be the product when acetaldehyde reacts with HCN and the product is further hydrolysed-
Q.21 Reaction of ammonia derivative with carbonyl compound is an example of -
Q.22 The vapour density of a compound is 29, which reacts with iodine and NaOH to form a yellow compound.The compound is-
Q.23 Stephen reaction is the reaction involving:
Q.24 Acetone gives test with-
Q.25 A ketone reacted with ethyl magnesium bromide followed by hydrolysis gave a product which on dehydration gave an alkene. The alkene on ozonolysis gave diethyl ketone and acetaldehyde. The ketone is-
Q.26 Aldol condensation between the following compounds followed by dehydration gives methyl vinyl ketone-
Q.27 In Cannizzaro reaction-
Q.28 HCHO with conc. alkali forms two compounds. The change in oxidation number would be-
Q.29 For Cannizzaro's reaction. Which is necessary-
Q.30 One mole of an organic compound requires 0.5 mole of oxygen to produce an acid. The compound may be-
Q.31 Which is most difficult to oxidise-
Q.33 Acetone shows similarity with acetaldehyde in reacting to-
Q.34 Aldehydes and ketones can be reduced to corresponding hydrocarbons by-
Q.35 Formaldehyde polymerises from 6 to 100 molecules to form-
Q.36 Metaformaldehyde is a -
Q.37 Which of the following combinations give t-butyl alcohol when treated with Grignard reagent-
Q.38 On polymerisation of Ethanal, sleeping drug is formed & i.e.-
Q.41 Which of the following can be used to differentiate between ethanal and propanal-
Q.42 Fehling's solution –B is-
Q.44 Which of the following does not turn schiff's reagent to pink-
Q.1 An aldehyde isomeric with allyl alcohol gives phenyl hydrazone. Pick out a ketone that too gives a phenyl hydrazone containing the same percentage of nitrogen:
Q.2 Carbonyl compounds are best purified by:
Q.3 Aldehydes and ketones form hydrocarbons by:
Q.4 Acetaldehyde oxidises: