1st Year Chemistry Chapter 15 Test15. Organic Chemistry

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Hydrolysis involves the attack of:
   1. Water molecule
   2. Acid molecule
   3. Oxygen molecule
   4. Hydrogen molecule
2. The IUPAC name of HCOOH is:
   1. Butanoic acid
   2. Ethanoic acid
   3. Propanoic acid
   4. Methanoic acid
3. CH₃-CH₂-COCl is known as:
   1. Propanoyl chloride
   2. Propanamide
   3. Propanoic acid
   4. Propanone
4. The functional group -C≡C- is associated with which homologous series?
   1. Alkenes
   2. Alkynes
   3. Aldehydes
   4. Halogenoalkanes
5. The Greek word "catena," from which "catenation" is derived, means:
   1. Chain
   2. Ring
   3. Atom
   4. Compound
6. Nucleophilic substitution reaction involves replacement of:
   1. Hydrogen atom
   2. Carbon atom
   3. Oxygen atom
   4. Halogen atom
7. The correct name of CH₃-O-CH₃ is:
   1. Dimethyl ether
   2. Methyl alcohol
   3. Methanal
   4. Methanone
8. The word "organic" comes from the Greek word "organikos," which means:
   1. Rock and minerals
   2. Chain
   3. Carbon
   4. Organ and living
9. Which part of the organic name indicates saturation or unsaturation in the parent chain?
   1. Prefix
   2. Root/Stem Name
   3. Suffix of Root Name (an, en, yn)
   4. Suffix of Principal Group
10. The common name of butanedioic acid is:
    1. Oxalic acid
    2. Valeric acid
    3. Succinic acid
    4. Malonic acid