The formation of cyanohydrin from acetone is which type of reaction ?

A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives

The compound that does not undergo Cannizzaro reaction is

Write  IUPAC name of 

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Draw the structural formula of 1-phenylpropan-1-one molecule.

Why is there a large difference in the boiling points of butanal and butan-1-ol?

Name the electrophile produced in the reaction of benzene with benzoyl chloride in the presence of anhydrous AlCl₃.  Name the reaction also.

Give chemical tests to distinguish between the following pairs of compounds:

(i) Propanal and propanone

(ii) Benzaldehyde and benzoic acid.

Give the  IUPAC name of the following compounds:

(a) phCH₂CH₂COOH

(b) (CH₃)₂C - CHCOOH

Benzaldehyde reduces Tollens' reagent but not the Fehling's or the Benedict's solution. Explain.

Arrange the following in decreasing order of their acidic strength and give reason for your answer.

CH₃CH₂OH, CH₃COOH, CICH₂COOH, FCH₂COOH, C₆H₅CH₂COOH

Arrange the following in decreasing order of their acidic strength.  Give explanation for the arrangement.

C₆H₅COOH, FCH₂COOH, NO₂CH₂COOH

Write the structures of the main products of following reactions:

Write chemical reactions to affect the following transformations:

(a) Butan-1-ol to butanoic acid

(b) Benzyl alcohol to phenylethanoic acid

(c) 3-Nitrobromobenzene to 3-nitrobenzoic acid

(d) 4-Methylacetophenone to benzene-1, 4-di-carboxylic acid

(e) Cyclohexene to hexane-1,6-dioic acid

(f) Butanal to butanoic acid.

How will you bring about the following conversions in not more than two steps?

(i) Benzoic acid to Benzaldehyde

(ii) Benzene to m-Nitroacetophenone

(iii) Bromobenzene to 1-Phenylethanol

Give the structure of the following compounds.

(i) 4-Nitropropiophenone

(ii) 2-Hydroxycyclopentanecarbaldehyde

(iii) Phenyl acetaldehyde

An alkene 'A' (Mol.  formula C₅H₁₀) on ozonolysis gives a mixture of two compounds 'B' and 'C'.  Compound 'B' gives positive Fehling's test and also forms iodoform on treatment with I₂ and NaOH.  Compound 'C' does not give Fehling's test but forms iodoform.  Identify the compounds A, B and C.  Write the reaction for ozonolysis and formation of iodoform from B and C.

(a) Illustrate the following name reactions:

     (i) Cannizzaro's reaction

     (ii) Clemmensen reduction

(b) How would you obtain the following:

     (i) But-2-enal from ethanal,

     (ii) Butanoic acid from butanol,

     (iii) Benzoic acid from ethylbenzene?

A compound A on oxidation gives B (C₂H₄O₂). A reacts with dil. NaOH and on subsequent heating forms C.C on catalytic hydrogenation gives D.Identify A, B, C, D and write down the reactions involved.