Hydrocarbons
Class 11 · Chemistry · 32 Questions
Write structures of different chain isomers of alkanes corresponding to the molecular formula C₆H₁₄. Also write their IUPAC names.
Write structures of different isomeric alkyl groups corresponding to the molecular formula C₅H₁₁. Write IUPAC names of alcohols obtained by attachment of –OH groups at different carbons of the chain.
Write IUPAC names of the following compounds: (i) (CH₃)₃CCH₂C(CH₃)₃ (ii) (CH₃)₂C(C₂H₅)₂ (iii) tetra – tert-butylmethane
Write structural formulas of the following compounds: (i) 3, 4, 4, 5–Tetramethylheptane (ii) 2,5-Dimethyhexane
Write structures for each of the following compounds. Why are the given names incorrect? Write correct IUPAC names. (i) 2-Ethylpentane (ii) 5-Ethyl – 3-methylheptane
Sodium salt of which acid will be needed for the preparation of propane? Write chemical equation for the reaction.
Calculate number of sigma (σ) and pi (π) bonds in the above structures (i-iv).
Write structures and IUPAC names of different structural isomers of alkenes corresponding to C₅H₁₀.
Draw cis and trans isomers of the following compounds. Also write their IUPAC names: (i) CHCl = CHCl (ii) C₂H₅CCH₃ = CCH₃C₂H₅
Which of the following compounds will show cis-trans isomerism? (i) (CH₃)₂C = CH – C₂H₅ (ii) CH₂ = CBr₂ (iii) C₆H₅CH = CH – CH₃ (iv) CH₃CH = CClCH₃
Write IUPAC names of the products obtained by addition reactions of HBr to hex-1-ene (i) in the absence of peroxide and (ii) in the presence of peroxide.
How will you convert ethanoic acid into benzene?
How do you account for the formation of ethane during chlorination of methane?
Write IUPAC names of the products obtained by the ozonolysis of the following compounds: (i) Pent-2-ene (ii) 3,4-Dimethylhept-3-ene (iii) 2-Ethylbut-1-ene (iv) 1-Phenylbut-1-ene
An alkene 'A' on ozonolysis gives a mixture of ethanal and pentan-3-one. Write structure and IUPAC name of 'A'.
An alkene 'A' contains three C–C, eight C–H σ bonds and one C–C π bond. 'A' on ozonolysis gives two moles of an aldehyde of molar mass 44 u. Write IUPAC name of 'A'.
Propanal and pentan-3-one are the ozonolysis products of an alkene? What is the structural formula of the alkene?
Write chemical equations for combustion reaction of the following hydrocarbons: (i) Butane (ii) Pentene (iii) Hexyne (iv) Toluene
Draw the cis and trans structures of hex-2-ene. Which isomer will have higher b.p. and why?
Why is benzene extra ordinarily stable though it contains three double bonds?