Combustion of Alkynes
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Q.
Write the chemical equation for combustion of Propane.
Q.
Write chemical equations for combustion reaction of the following hydrocarbons:
(i) Butane
(ii) Pentene
(iii) Hexyne
(iv) Toluene
Q. 3-hexyne can be converted to trans-3-hexene by the action of:
- Li/Liq. NH3
- H2-Pt O2
- H2-Pd/BaSO4
- NaBH4
Q. How many dibromo derivatives of an aromatic hydrocarbon with modular mass 78 can be
Q. Octane number can be changed by
- Isomerisation
- Alkylation
- Cyclisation
- All of these
Q. 3-hexyne can be converted to trans-3-hexene by the action of:
- H2PdBaSO4
- LiLiq.NH3
- H2−Pt O2
- NaBH4
Q. 46. Cyclohexene reacts with br2 and ccl4 and gives a product, the formation of product involves A. SN1 B. SN2 C. E1 D. None of the above
Q. The no. Of isomeric alkenes(C6H12) which all give n-hexane on hydrogenation in presence of metal catalyst
Q. How many moles of O2 required for complete combustion of one mole of propane?
- 7
- 5
- 16
- 10
Q. 2-hexyne can be converted into trans 2-hexene by the action of:
- NaBH4
- H2Pd-BaSO4
- Li in liq. NH3
- H2PtO2
Q. In the balanced equation for combustion of 1 mole of butane, C4H10(g), the coefficient of oxygen is:
- 5/2
- 5
- 9/2
- 13/2
Q. Amongst the following the agent that would convert 2-hexyne into trans-2-hexene is:
- H2.Pt/O2
- NaBH4
- Li/NH3/C2H5OH
- H2.Pt/SO2−4
Q. In Frasch process, how does H2S changes to sulphur.
Q. The complete combustion of CH4 gives
- CO+H2
- CO+N2
- CO+H2O
- CO+N2O
Q. The complete combustion of CH4 gives
- CO+H2
- CO+N2
- CO+H2O
- CO+N2O
Q. Complete the equation for the following chemical reaction. Name this reaction.
CH3−CH2−CH2−CH3+............O2→−−+
CH3−CH2−CH2−CH3+............O2→−−+
