Hydrocarbons – Alkanes (Preparation, Properties, Reactions)
Chemistry · Grade 11 · Week 29 · 25 questions
This Grade 11 chemistry chapter on Hydrocarbons introduces Alkanes (Preparation, Properties, Reactions). A strong base in these ideas makes organic, inorganic, and physical chemistry much more approachable later.
What you'll practise
- Explain Alkanes (Preparation, Properties, Reactions)
- 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 – Alkanes (Preparation, Properties, Reactions) quiz
Grade 11 Chemistry — Hydrocarbons – Alkanes (Preparation, Properties, Reactions): 25 practice questions with instant scoring and explanations.
- General formula for alkanes:
- Alkanes are also called:
- Hybridisation of C in alkanes:
- C-C bond length in ethane:
- Wurtz reaction: 2R-X + 2Na →
- Wurtz reaction used to prepare:
- Kolbe's electrolysis of RCOONa gives:
- Hydrogenation of alkenes gives alkanes using:
- Reduction of R-X with Zn/HCl gives:
- Alkanes mainly undergo:
- Halogenation of methane with Cl₂ requires:
- Mechanism of halogenation:
- Reactivity of halogens in halogenation:
- Selectivity of halogenation:
- Isomerisation of n-alkane to branched alkane requires:
- Aromatization of n-hexane:
- Pyrolysis (cracking) of alkanes gives:
- Combustion of alkanes produces:
- Octane number indicates:
- Iso-octane (2,2,4-trimethylpentane) has octane number:
- n-heptane has octane number:
- Conformations of ethane:
- Most stable conformation of ethane:
- Energy difference between eclipsed and staggered ethane:
- Most stable conformation of n-butane:
Question 1 of 250 correct so far