Hydrocarbons questions
384 published questions with worked solutions.
- To prepare pure *n*-hexane using sodium metal as one reactant (Wurtz reaction), the other reactant should be
- Propene + Cl_2 at 400–600°C gives
- Kolbe's synthesis, by electrolysis of the sodium salt of butanoic acid, gives
- Ethylene is used for
- Acetylene, on reacting with hypochlorous acid, gives
- Which of the following will give allene, CH_2=C=CH_2?
- The Wurtz reaction using bromoethane yields
- Cyclohexane (C_6H_ 12 ), a hydrocarbon, floats on water because
- Two jars A and B are filled with two different hydrocarbons. Bromine in CCl_4 is added to both; the solution in jar A does not...
- Addition of bromine to buta-1,3-diene gives
- Ethylene can be prepared by electrolysis of an aqueous solution of
- Petrol or gasoline, used as an automobile fuel, is (in its classic, unblended petroleum-refined form) a mixture of
- In which of the following reactions does addition take place according to Markovnikov's rule (i.e. both the alkene and the...
- Hydroxylation (hydration) of propyne in the presence of HgSO_4/H_2SO_4 is initiated by the attack of
- Kerosene is predominantly a mixture of
- In the chain mechanism Cl–Cl 2Cl^ (1); Cl^ + CH_4 CH_3^ + HCl (2); CH_3^ + Cl_2 CH_3Cl + Cl^ (3); CH_3^ + CH_3^ CH_3–CH_3 (4),...
- The reactivity of alkenes towards HX decreases in the order
- Which statement is **not** correct in the case of ethane?
- Alkynes occur in nature
- Addition of HI to the double bond of propene yields isopropyl iodide, not *n*-propyl iodide, as the major product, because the...
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