Pre-UPS 2 SK025

Full Name

Matric Number

KELAS

• S1K1T5

• S2K1T3

• S2K1T4

1. Structural formula is

• A a chemical formula which shows the simplest ratio of the atoms exist in a molecule.
• B a chemical formula which shows the exact number of atoms in a molecule
• C a chemical formula which shows the functional group exist in a molecule.
• D a chemical formula which shows how the atoms in a molecule are bonded to each other.

2. Which of the following is NOT the functional group found in the structure below?

• A Amino
• B Hydroxyl
• C Carboxamide
• D Aromatic ring

3. Isomerism that arises out of the difference in spatial arrangement of atoms or groups about the doubly bonded carbon atoms are called?

• A Structural Isomerism
• B Geometrical Isomerism
• C Stereoisomerism
• D Optical Isomerism

4. Identify the compound that have chirality center.

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5. Choose the least stable carbocation.

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6. Which of the following is an aromatic hydrocarbon?

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7. Choose the CORRECT pairs of saturated and unsaturated hydrocarbon.

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