Hydrocarbons questions
384 published questions with worked solutions.
- What are X and Y respectively, in the following reaction? H_3C-C C-CH_3 [X] (syn product, Z-alkene) and [Y] (anti product,...
- Identify B and D in the following sequence of reactions: CH_2=CH_2 conc. H _2 SO _4 A [ ] H _2 O B; B PBr _3 C D CH_2=CH_2 [K CET...
- Acetylene reacts with HCN in the presence of Ba(CN)_2 to yield [UP SEE 2004]
- CH CH + HBr X, product X is [Jamia Millia Islamia 2004]
- What is obtained when ammoniacal AgNO_3 reacts with acetylene? [AMU 2003]
- An alkyne combines with a conjugated diene to give an unconjugated cycloalkadiene. The most likely title of this reaction is...
- Propyne and propene can be distinguished by [DCE 2005]
- 1-Butyne on hydration gives [J & K CET 2008]
- Acetylene and HCHO react in the presence of copper acetylide catalyst to form [DCE 2008]
- The relationship between acetylene and benzene is comparable to the relationship between propyne and [AMU 2003]
- Which of the following species is aromatic? [AMU 2009]
- Aromatisation of n-heptane by passing over (Al_2O_3 + Cr_2O_3) catalyst at 773 K gives [Manipal 2005, DCE 2005]
- Propyne when passed through a hot iron tube at 400 °C produces [Kerala CEE 2004]
- Suitable reagents A and B for the following reactions — cyclobutene + A → an allylic bromide (ring with –Br on the carbon...
- Which of the following cycloalkanes gives an open-chain compound when it reacts with bromine? [OJEE 2003]
- Natural gas is a mixture of [MP PET 2003]
- The reaction, C_ 12 H_ 26 → C_6H_ 12 + C_6H_ 14 , represents [Kerala CEE 2003]
- The first fraction obtained during the fractionation of petroleum is [K CET 2004]
- Which of the following is present in natural gas? [BCECE 2005]
- Synthetic petrol is prepared by [DCE 2008]
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