Home/Chemistry Of Hydrocarbons
Preparation of alkenes
Question#1
Propane is obtained from propene, by which of the following methods [CBSE PMT 2001; AFMC 2001]
Question#2
Propane is obtained from propene, by which of the following methods [CBSE PMT 2001; AFMC 2001]
Question#3
Ethylene is prepared by the dehydration of [CPMT 1974, 79; DPMT 1985; BHU 1989]
Question#4
Ethyl bromide gives ethylene when reacted with [CPMT 1982, 93; RPET 2000; Pb. PMT 2001]
Question#5
A gas formed by the action of alcoholic KOH on ethyl iodide, decolorizes alkaline KMnO4 solution. The gas is [CPMT 1974, 91; MP PET 1985; IIT-JEE 1982]
Question#6
When alcoholic solution of ethylene dibromide is heated with granulated zinc, the compound formed is [CPMT 1990]
Question#7
When 2-bromobutane reacts with alcoholic KOH, the reaction is called [KCET (Med.) 2001]
Question#8
How can ethene be produced from ethanol [BHU 1996]
Question#9
The final product formed when ethyl bromide is treated with excess of alcoholic KOH is [MP PET 1999]
Question#10
\( CH_3-CH_2-Cl \xrightarrow{alc.KOH} A \) the product is [CPMT 2003]
Question#11
Ethylene may be obtained by dehydration of which of the following with concentrated H2 SO4 at 160 -170oC [RPET 1999]
Question#12
When ethylene bromide is treated with Zn, we get [RPMT 1997]
Question#13
In the reaction sequence given here SET2018
\( H_3C-CH_3 + Br_2 \xrightarrow{\text{hv}} A \xrightarrow{\text{AlcKOH}} B \)
The end product is an unsaturated hydrocarbon. Identify the nature of reaction in the two steps
Question#14
Which compound is obtained by the elimination of bromopropane MDCAT2018
Question#15
The incorrect method for the synthesis of alkenes is NEET Re-2022