Chemistry
Give balanced equations for the following conversions.
- An alkyne to an alkene.
- An alkene to an alkane.
- An alkane to an alcohol.
- An alcohol to an alkene.
- A carboxylic acid to an ammonium salt
Organic Chemistry
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Answer
1. An alkyne to an alkene:
2\text{C}2} + \text{H}2 \xrightarrow[300\degree\text{C}]{\text{Nickle}} \underset{\text{ethene}}{\text{C}2\text{H}_4}
2. An alkene to an alkane:
2\text{H}4} + \text{H}2 \xrightarrow[300\degree\text{C}]{\text{Nickle}} \underset{\text{ethane}}{\text{C}2\text{H}_6}
3. An alkane to an alcohol:
2\text{H}6} + \text{O}2 \xrightarrow[200 \text{\degree C}]{\text{Cu tube}} \underset{\text{ethanol}}{2\text{C}2\text{H}_5\text{OH}}
4. An alcohol to an alkene:
2\text{H}5\text{OH}} \xrightarrow[170\degree\text{C}]{\text{Conc. H}2\text{SO}4\text{[excess]}} \underset{ \text{ethene}}{\text{C}2\text{H}4} + \text{H}_2\text{O}\
5. A carboxylic acid to an ammonium salt :
3\text{COOH}} + \text{NH}4\text{OH}\longrightarrow \underset{ \text{Ammonium acetate}}{\text{CH}3\text{COONH}4} + \text{H}_2\text{O}\
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Related Questions
Give balanced equations for the following conversions:
- 1} \text{Methanol} \xrightarrow{\text{G}2} \text{Methanal} \xrightarrow{\text{G}_3} \text{Methanoic acid}
- 2 \xleftarrow{\text{H}} \text{Acetic acid} \xrightarrow{\text{H}1} \text{Ethyl ethanoate}
Select from the letters A to G the correct answer corresponding to the statements from 1 to 5 :
A : Ammoniacal CuCl2
B : Trichloromethane
C : Trichloroethane
D : Bromine soln.
E : Aqueous KOH
F : Ethene
G : Sodalime
H : Ethanol
I : Ethyne- The organic compound which forms carbon tetrachloride on reaction with chlorine.
- The reagent which can distinguish between ethene and ethyne.
- The substance which reacts with bromoethane to give ethanol.
- The substance which gives bromoethane on reaction with hydrogen bromide.
- The substance which reacts with acetic acid to give CH3COOC2H5
Give reasons for the following :
Concentrated sulphuric acid may be added during esterification of acetic acid.
Give reasons for the following :
Isomers belonging to the same homologous series may differ in physical properties but not in chemical properties.