Hydrocarbons – Aromatic (Benzene, Electrophilic Substitution, Directive Effects)
Chemistry · Grade 11 · Week 32 · 25 questions
This Grade 11 chemistry chapter on Hydrocarbons introduces Aromatic (Benzene, Electrophilic Substitution, Directive Effects). A strong base in these ideas makes organic, inorganic, and physical chemistry much more approachable later.
What you'll practise
- Calculate Aromatic (Benzene, Electrophilic Substitution, Directive Effects)
- Work through NCERT intext examples and exercise questions for hydrocarbons
- Apply hydrocarbons concepts to NCERT exercise and exemplar problems
All 25 questions in this Hydrocarbons – Aromatic (Benzene, Electrophilic Substitution, Directive Effects) quiz
Grade 11 Chemistry — Hydrocarbons – Aromatic (Benzene, Electrophilic Substitution, Directive Effects): 25 practice questions with instant scoring and explanations.
- Benzene molecular formula:
- Hybridisation of C in benzene:
- Benzene C-C bond length:
- Benzene stability is due to:
- Huckel's rule for aromaticity:
- Number of π-electrons in benzene:
- Resonance energy of benzene:
- Benzene undergoes mainly:
- Nitration of benzene uses:
- Electrophile in nitration:
- Sulphonation of benzene uses:
- Electrophile in sulphonation:
- Halogenation of benzene (Br₂/FeBr₃) gives:
- Friedel-Crafts alkylation uses:
- Friedel-Crafts acylation uses:
- Friedel-Crafts fails on:
- Activating groups (ortho-para directing):
- Deactivating groups (meta directing):
- −OH on benzene directs incoming electrophile to:
- −NO₂ on benzene directs electrophile to:
- Halogens on benzene are:
- Cyclohexane + Pt/Pd (525°C) gives:
- Phenol + Zn dust (distilled) gives:
- Benzene + Cl₂ in sunlight (no catalyst) gives:
- Toluene oxidation with KMnO₄/H₂SO₄ gives:
Question 1 of 250 correct so far