Which of the following represents the correct order of acidity in the given compounds

Identify the product formed in the reaction

Which one of the following reaction is an example of disproportionation reaction.

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their ________.

Which of the following statement is wrong?

Ketones when reduced in the presence of Pt forms _______.

Which is unstable?

It is used as food preservative _______.

The high boiling points of carboxylic acids is due to _______.

The reagent that does not react with both acetone and benzaldehyde is __________.

The number of carbon atoms in a chain can be increased with _______ reaction.

Benzaldehyde condenses with N, N - dimethyl aniline in the presence of strong acid to give __________.

Acid chloride acids are prepared by treating carboxylic acids with ________.

Grignard reagent on addition with dry ice followed by hydrolysis gives __________.

Aldehydes and ketones are reduced to hydrocarbons by zinc amalgam and cone.HCI. This is__________ reaction.

Give four examples of carbonyl compounds?

What type of aldehydes undergo Cannizaro reaction?

Write two tests of carboxylic acid.

Give the resonance structure of carboxylate anion.

What happens when soda lime is treated with
(i) CH₃COONa
(ii) C₆H₅COOH?

Give any three uses of benzoic acid.

Write the structure formula of the following compounds.
(i) 3-bromo - 4 phenylpent -3- enoic acid
(ii) 2-methylbutanoic aicd

Draw the structure of 2-methylcyclopent - 3- ene - 1- carboxylic acid.

What is vinegar?

Esters are colourless liquids with characteristic fruity smell. Identify the ester which gives the following flavours.
(i) Raspberry
(ii) Pine apple
(iii) Orange

An alkene (A) on ozonolysis gives propanone and aldehyde (B). When (B) is oxidised (C) is obtained. (C) is treated with Br₂/P gives (D) which on hydrolysis gives (E). When propanone is treated with HCN followed by hydrolysis gives (E). Identify A, B, C, D and E.

How will you convert benzaldehyde into the following compounds?
(i) benzophenone
(ii) benzoic acid
(iii) α-hydroxyphenylaceticacid.

What is the action of HCN on
(i) propanone
(ii) 2,4-dichlorobenzaldehyde
iii) ethanal

A carbonyl compound A having molecular formula C₅H₁₀O forms crystalline precipitate with sodium bisulphate and gives positive iodoform test. A does not reduce Fehling solution. Identify A.

Formaldehyde and benzaldehyde give Cannizaro reaction but acetaldehyde does not - account for this.

How are the following conversions carried out?
(i) Benzaldehyde from toluene
(ii) Benzoin from benzaldehyde

An organic compound, C₂H₄O gives a red precipitate when warmed with Fehling's solution. It also undergoes aldol condensation in presence of alkali.
(i) Write IUPAC name of the compound.
(ii) Predict the hybridization of carbon atoms in the compound?
(iii) Write equation for the reaction

What happens when the following compounds are treated with dilute NaOH solution in cold?
(i) propanal
(ii) (CH₃)₃C-CHO

Write the structure of 'A' and 'B' in the following reaction
\({ C }_{ 6 }{ H }_{ 5 }MgBr+{ CO }_{ 2 }\overset { (i)CO_{ 2 } }{ \underset { (ii){ H }_{ 2 }O/{ H }^{ + } }{ \longrightarrow } } A\overset { { Br }_{ 2 } }{ \underset { FeBr_{ 3 } }{ \longrightarrow } } B\)

Give the IUPAC names for the following:
(i) Crotonaldehyde
(ii) Methyl n-propyl ketone
(iii) Phenyl acetaldehyde.

How are the following conversions effected
(a) propanal into butanone
(b) Hex-3-yne into hexan-3-one.
(c) phenylmethanal into benzoic acid
(d) phenylmethanal into benzoin

Identify A, B and C

How does formaldehyde react with
(I) NH₃
(ii) CH₃Mg₁ followed by hydrolysis and
(iii) NaOH

Illustrate the reducing property of acetaldehyde with examples

Give two tests for aldehydes.

An organic compound A (C₇H₆O) reduces Tollen's reagent. On treating with an alkali compound A forms B and C. B on treating with sodalime forms benzene and C (C₇H_sO) is an antiseptic. Identify compounds A, B and C. Explain the reactions.

An organic compound A (C₂H₃N) on reduction with SnCI₂/HCI gives B (C₂H₄O) which reduces Tollen's reagent. Compound B on reduction with N₂H₄/C₂H₅ONa gives C (C₂H₆). Identify the compounds A, B and C. Explain the reactions involved.