Q.2 Malonic acid and succinic acid are distin guished by -
Q.3 Hydrolysis of 1,1, 1-trichloro derivative (A) of alkane gives a molecule (B) on alkaline hy-drolysis which produces red coloration with aqueous FeCl3. The compound (A) is -
Q.5 Which of the following compounds does not have a carboxyl group -
Q.6 Hydrolysis of an ester gives acid A and alcohol B. The acid reduces Fehling’s solution. Oxidation of alcohol B gives acid A. The ester is -
Q.7 Which one of the following on oxidation will not give a carboxylic acid with the same number of carbon atoms -
Q.9 When oxalic acid is heated, which one of the following is formed along with CO2-
Q.10 Which one of the following reacts with Grignard reagent to form an addition product which can be hydrolysed to a carboxylic acid?
Q.11 A halogen compound ‘A’ on hydrolysis with dilute alkali followed by acidification gives acetic acid. The compound X is -
Q.12 Acetic acid is obtained when -
Q.13 In Quick Vinegar Process, the aerial oxidation of ethyl alcohol to acetic acid is brought about by -
Q.14 Sodium salt of formic acid on strong heating followed by acidification gives-
Q.15 When malonic acid is heated, it gives -
Q.18 Acetic acid exists as dimer in C6H6 due to-
Q.19 Carboxylic acid group can be detected by -
Q.20 The pKa values of the four carboxylic acids are given below. Which of the following is the weakest acid ?
Q.21 Phenol is a weaker acid than acetic acid because -
Q.22 Which of the following is the weakest acid ?
Q.23 Formic acid is a stronger acid than acetic acid. This is due to the fact that ?
Q.24 Which of the following dicarboxylic acids contains the most acidic hydrogen ?
Q.25 Increasing pKa of o, m- and p-nitrobenzoic acid is ?
Q.26 Amongst the acids, (i) CH = CCOOH (ii) CH2 = CHCOOH and (iii) CH3CH2COOH, the acid strength follows the sequence
Q.28 Which of the following is a polyprotic acid -
Q.29 Which of the following acids combines the properties of an aldehyde and an acid ?
Q.30 Formic acid reacts with PCl5 to form -
Q.31 The Hell-Volhard Zelinsky reaction is used for preparing a/an -
Q.32 When excess of chlorine is passed through acetic acid in presence of red phosphorus, it forms -
Q.34 Ethyl alcohol can be obtained in one step from acetic acid by reduction with -
Q.35 Kolbe’s electrolysis of aqueous potassium ethanoate leads to the formation of -
Q.36 When a bee bites, it mainly injects into body-
Q.37 Carboxylic acids do not give the characterstic properties of -
Q.39 Which of the following test is not carried out to examin the presence of –COOH groups -
Q.40 Reaction of a fat or oil with alkali is called -
Q.41 Which of the following lacks chirality -
Q.42 (CH3)2C = CHCOCH3 can be oxidised to (CH3)2C = CHCOOH by -
Q.43 Select the compound which does not give acetic acid on hydrolysis -
Q.44 The simplest dicarboxylic acid is -
Q.45 The acid formed when propyl magnesium bromide is treated with CO2 is -
Q.46 Which of the following skeleton gives the strongest acid if COOH is attached to the free valency
Q.49 Ozonolysis of fatty acid is carried out to ascertain -
Q.50 Dry distillation of calcium acetate gives -