Hydrocarbons questions
384 published questions with worked solutions.
- Most hydrocarbons are obtained from petroleum by
- Kolbe's synthesis, on electrolysis of the sodium salt of butanoic acid, gives
- Which of the following will give cyclooctyne when treated with a strong base?
- An isolated alkadiene (two double bonds separated by more than one single bond) is
- Acetylene, passed into excess HOCl solution, forms
- A saturated hydrocarbon is represented as C_nH_ 10 . What is the value of n?
- Petroleum is best described as a mixture of
- But-1-yne and but-2-yne can be distinguished by
- Chlorination of methane, using a large excess of Cl_2, gives predominantly
- The product formed when but-1-ene is treated with HBr in the presence of a peroxide is
- *n*-Hexadecane (cetane) has a cetane number of
- Acetylene is prepared industrially by passing an electric discharge through graphite electrodes in an atmosphere of
- Hydration of ethynylcyclohexane (cyclohexyl–C ), in the presence of H_2SO_4/HgSO_4, gives
- Which of the following is assigned an octane number of zero?
- The ease of sulphonation of alkanes follows the order
- Which of the following reagents **cannot** be used to locate the position of the triple bond in CH_3–C –CH_3?
- The reaction of HBr with propene in the presence of peroxides gives
- Hydroboration–oxidation (B_2H_6, then H_2O_2/OH^-) of a methylenecyclopentane-type exocyclic alkene gives, with *syn*,...
- Ethylene may be prepared by dehydration of
- Among Cl_2, Br_2 and I_2, the most reactive halogen in the halogenation of alkanes is
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