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Описание: Chemistry – Class 12


IUPAC Nomenclature Practice Paper – Set 2


Total Questions: 20



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A. MCQs (Choose the correct answer)


1️⃣  CH₃ – CH₂ – CH₂ – CH₂ – OH

a) Butan-1-ol

b) Propan-1-ol

c) Butan-2-ol

d) Pentan-1-ol


2️⃣  CH₃ – CH = CH – Cl

a) 1-Chloro-2-propene

b) 2-Chloropropene

c) 3-Chloropropene

d) Chloro-1-propene


3️⃣  (CH₃)₃N

a) Trimethylamine

b) Methylamine

c) Dimethylamine

d) Ethylmethylamine


4️⃣  CH₃ – CO – CH₃

a) Propanal

b) Propanone

c) Propanaldehyde

d) Pentanone


5️⃣  CH₃ – CH₂ – O – CH₂ – CH₃

a) Methoxyethane

b) Ethoxyethane

c) Ethyl ether

d) Propoxyethane



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B. Write IUPAC Name


6️⃣  CH₃ – CH₂ – CH₂ – Br


7️⃣  HO – CH₂ – CH₂ – COOH


8️⃣


CH₃

      |

CH₃ – C – CH₃

      |

     OH


9️⃣  CH₃ – CH₂ – C ≡ N


🔟


Cl

    |

CH₃—C—CH₃

    |

   CH₃


1️⃣1️⃣  C₆H₅ – NH₂


1️⃣2️⃣


CH₃

    |

CH₃–CH–CH₂–CH₃


1️⃣3️⃣

CH₂OH – CH₂ – CH₂ – OH


1️⃣4️⃣

CH₃ – CH₂ – CO – CH₃


1️⃣5️⃣

CH₃ – CH₂ – CH₂ – CH₂ – COOH



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C. Draw Structure (Write Structural Formula)

E

1️⃣6️⃣  But-2-ene


1️⃣7️⃣  2,3-Dimethylhexane


1️⃣8️⃣  Ethyl methanoate


1️⃣9️⃣  3-Bromoprop-1-yne


2️⃣0️⃣  Phenol



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✔️ 

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C. Structures


16️⃣  CH₃ – CH = CH – CH₃


17️⃣  CH₃ – CH(CH₃) – CH(CH₃) – CH₂ – CH₂ – CH₃


18️⃣  HCOO – CH₂ – CH₃


19️⃣  Br – CH₂ – C≡CH


20️⃣


OH

    |

C6H5


(Phenyl ring with OH group)

Answer Key
A. MCQs
1️⃣ a) Butan-1-ol
2️⃣ b) 2-Chloropropene
3️⃣ a) Trimethylamine
4️⃣ b) Propanone
5️⃣ a) Methoxyethane
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B. Naming Answers
6️⃣ 1-Bromopropane
7️⃣ 3-Hydroxypropanoic acid
8️⃣ 2-Methyl-2-propanol
9️⃣ Propanenitrile
🔟 2-Chloro-2-methylpropane
1️⃣1️⃣ Benzenamine / Aniline (IUPAC: Benzenamine)
1️⃣2️⃣ 2-Methylbutane
1️⃣3️⃣ Butane-1,3-diol
1️⃣4️⃣ Butan-2-one
1️⃣5️⃣ Pentanoic acid