PU E 2026 Aromatic Hydrocarbons Free Quiz 1

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PU E 2026 Aromatic Hydrocarbons Free Quiz 1

PU E Quiz

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Remaining: 10

Navigator 10 Q

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General 10 MCQs

1. What is the molecular formula of benzene?

A. C₆H₆ B. C₆H₅ C. C₆H₁₂ D. C₆H₄

2. What is the structure of benzene?

A. Linear B. Planar hexagonal C. Tetrahedral D. Trigonal bipyramidal

3. Why is benzene relatively stable?

A. Due to lack of resonance B. Due to weak bonds C. Due to delocalization of π-electrons D. Due to lack of conjugation

4. What type of reaction does benzene undergo?

A. Addition B. Oxidation C. Reduction D. Electrophilic substitution

5. What is the Kekulé structure of benzene?

A. Alternating single and double bonds B. All single bonds C. All double bonds D. No bonds

6. What is aromaticity?

A. Property of cyclic delocalized π-electron compounds B. Property of aliphatic compounds C. Property of cycloalkanes D. Property of alkynes

7. How many π-electrons does benzene have?

A. 4 B. 5 C. 6 D. 7

8. Which is an aromatic compound?

A. Cyclohexane B. Cyclohexene C. Benzene D. Toluene

9. What is the introduction of -NO₂ group called?

A. Nitration (-NO₂) B. Sulphonation (-SO₃H) C. Halogenation (-X) D. Alkylation (-R)

10. What is the introduction of -SO₃H group called?

A. Nitration B. Sulphonation C. Halogenation D. Alkylation

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