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प्रश्न
How is pure dry gas collected acetylene prepared in the laboratory?
How is ethyne prepared in the laboratory? How is pure dry gas collected?
उत्तर
The gas is collected by the downward displacement of water, since it is insoluble in water.
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संबंधित प्रश्न
Choose the most appropriate answer of the following:
Identify the statement which does not describe the property of alkenes:
(A) They are unsaturated hydrocarbons
(B) They decolorize bromine water
(C) They can undergo addition as well as substitution reactions
(D) They undergo combustion with oxygen forming carbon dioxide and water.
Convert methyl iodide into ethane.
Write the molecular formula of ethene (Ethylene).
The molecules of the alkene family are represented by a general formula CnH2n. Answer the following:
What is the molecular formula of alkene when n = 4?
The molecules of the alkene family are represented by a general formula CnH2n. Answer the following:
What is the structural formula of the third member of the alkene family?
Write the following property of ethene:
Density as compared to air
How would you convert ethene into 1,2-dibromoethane?
Give balanced equations when ethene is burnt in excess of oxygen.
Write the name and formula of the product formed in the case below:
\[\ce{H2C = CH2 ->[alk.KMnO4]}\]
How is the structure of alkynes different from that of alkenes?
