Chemistry
Complete the following by choosing the correct answer from the bracket.
(a) Alkenes differ from alkanes due to the presence of …………… (double/single) bonds.
(b) Down the group, ionisation potential …………… (increases /decreases).
(c) By dissolving aluminium oxide in cryolite a …………… (conducting/non-conducting) solution is produced.
(d) The catalyst used for conversion of ethene to ethane is commonly …………… (iron/nickel).
(e) The gas released when sodium carbonate is added to a solution of sulphur dioxide is …………… (CO2/SO3)
Organic Chemistry
ICSE
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Answer
(a) Alkenes differ from alkanes due to the presence of double bonds.
(b) Down the group, ionisation potential decreases.
(c) By dissolving aluminium oxide in cryolite a conducting solution is produced.
(d) The catalyst used for conversion of ethene to ethane is commonly nickel.
(e) The gas released when sodium carbonate is added to a solution of sulphur dioxide is CO2.
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