ICSE CHEMISTRY CLASS 10 Organic Chemistry - 8

ICSE CHEMISTRY CLASS 10

Organic Chemistry - 8

a)      Name the following:

i) Catalyst used in the conversion of Ethene to Ethane.

ii) The reaction between Ethyl alcohol and Aceetic acid in presence of Conc.sulphuric acid.

iii) The gas released when Calcium carbide is treated with cold water.

iv) The process of removal of Carbon dioxide from a carboxylic acid.

v) The property of an element to form long chains of identical atoms.

     b)      State your observation when:

i)  Ethene passed through Bromine water.

ii) Acetylene gas is passed into Ammoniacal Silver nitrate

     c)      Give reason :

i) 90% of all known compounds are organic in nature.

ii) Ethene under goes addition reactions but Ethane does not.

iii) Alkenes are more reactive than alkanes.

d)     Distinguish between Ethene and Ethyne using a common reagent

      e)       Write the branched structures of the following compounds:

i) 2,2-di chloro butane             ii) Di methyl ether

iii) Ethanoic acid                     iv) Propanone (Acetone)

      f)      Write balanced equations for the following reactions:

i) Dehydration of Ethyl alcohol at 170⁰C using a dehydrating agent.

ii) Esterification of Acetic acid.

iii) Preparation of Ethane from Sodium propanoate.

iv) Chlorination of Metane

v) Hydrogenation of Acetylene.

vi) Reaction between 1,2-dibromo Ethane and alc.KOH on boiling.