Nomenclature of Carboxylic Acids

Q. Which of the following does not belong to narcotic analgesics?

1. Morphine
2. Paracetamol
3. Heroin
4. Codeine

Q.

Q. What is the difference between hydrohalic and hypohalous acids ?

Q.

Give the IUPAC names of the following compounds:

(i) PhCH₂CH₂COOH (ii) (CH₃)₂C=CHCOOH

(iii) (iv)

Q.

(A), (B) and (C) are three non-cyclic functional isomers of a carbonyl compound with molecular formula $C_4{H}_{8}O.$ Isomers (A) and (C) give positive Tollens' test whereas isomer (B) does not give Tollens' test but gives positive Iodoform test. Isomers (A) and (B) on reduction with Zn(Hg)/conc. HCI give the same product (D).

(a) Write the structures of (A), (B), (C) and (D).

(b) Out of (A), (B) and (C) isomers, which one is least reactive towards addition of HCN?

Q.

What is the structural formula for Phosphinic acid?

Q.

What makes hydroxide ion act as nucleophile and why does it get an overall charge of -1?

Q.

Name the most stable ion and explain why.

Q. 5. The number of Ions formed on dissolving 1 molecule of FeSO4(NH4)2SO4.6H2O is/are 1)6 2)3 3)5 4)4

Q.

Name two natural sources of Oxalic acid.

Q. 6 A carbonyl compound reacts with HCN to form cyanohydrin which on hydrolysis forms a racemic mixture of alpha- hydroxy acid. The carbonyl compound is A diethyl ketone B formaldehyde C acetaldehyde D acetone

Q.

Why are amides the least reactive carboxylic acid derivative?

Q. The IUPAC name of pyruvic acid $C{H}_3-CO-COOH$ is

1. 2-Oxo-propanoic acid
2. Prop-3-oic acid-2-one
3. Prop-2-oxo-1-oic acid
4. Prop-2-oxo-3-oic acid

Q.

Pick out the unsaturated fatty acid from the following

[KCET 2004; MHCET 2002]

1. Stearic acid

2. Lauric acid

3. Oleic acid

4. Palmitic acid

Q. Acidic hydrolysis of ethanamide in presence of heat will give

1. Methanoic acid
2. Ethanoic acid
3. Ethanol
4. Ethanamine

Q. The name of the compound having the structure $ClC{H}_{2}C{H}_{2}COOH$ is

1. 3-chloropropanoic acid

2. 2-chloropropanoic acid

3. 2-chloroethanoic acid
4. Chlorosuccinic acid

Q. (b) Aqueous solution of HCI is strongly acidic but HCl inbenzene has no acidic property.explai.(2006)

Q. Mixture of ZnCl2, and PbCl2can be separated by(1) distillation (3) sublimation(2) crystallisation(4) adding acetic acid

Q.

How do we give an organic compound it's iupac name

Q. 8. Potassium ferricyanide produces on ionization 1) 2 ions 2) 1 ion 3) 3 ions 4) 4 ions

Q. Acetic acid is present in vinegar. Curd contains ______ .

1. None of the above
2. lactic acid
3. tartaric acid
4. picric acid

Q.

How can you obtain 2-methyl-propan-2-ol using grignard reagent?

Can you please explain the procedure or the method by which I can solve similar compounds... There is a trick to find the actual compound so please can you elaborate it ..It will be very helpful to me.

Q. PCl5 on reaction with propanone gives

Q. Phenol can be converted into anisole by (1) CH2N2/ether (2) (CH3)2SO4/NaOH (3) CH3I (4) All of these

Q.

Which of the following contains oxalic acid?

1. Sour milk

2. Oranges

3. Tomatoes

4. Tamarind

Q. What is A and B in the following reaction?

1. $2C{H}_{3}COOH$
2. $2C_6{H}_{5}COOH$
3. $C_6{H}_{5}COOH$ and $C{H}_{3}COOH$
4. $C_6{H}_{5}CHO$ and $C{H}_{3}COOH$

Q. As per IUPAC rules, which one of the following groups will be regarded as the principal functional group?

1. $-C\equiv C-$
2. $-OH$
3. $-CN$
4. $-COOH$

Q. Which of the following on reaction with Baeyer’s reagent gives meso-tartaric acid?

1. fumaric acid
2. Maleic acid
3. Both (a) and (b)
4. None of these
   
   

Q. Identify the compound which on reaction with one mole of CH3MgI in dry ether and subsequent hydrolysis can give 2-Methyl-2-propanol. Show the mechanism of the process. What will be the observation if Lucas reagent is added to 2-Methyl-2-propanol? [3]

Q.

The alkyl cyanides when hydrolysed to the corresponding acid, the gas evolved is

1. 
   

2. 
   

3. 
   

4. 
   

Q.

Which of the following acid is the strongest acid?

1. ${\mathrm{CH}}_3\mathrm{COOH}$

2. $\mathrm{HCOOH}$

3. ${\left({\mathrm{CH}}_3\right)}_3\mathrm{CCOOH}$

4. ${\left({\mathrm{CH}}_3\right)}_2\mathrm{CHCOOH}$