Chemistry
Name the following:
(a) Organic compounds with same molecular formula but different structural formula.
(b) Group of organic compounds where the successive members follow a regular structural pattern, successive compounds differ by a 'CH2' group.
Organic Chemistry
ICSE 2023
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Answer
(a) Isomers
(b) Homologous series
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Choose the substances given in the box below to answer the following questions:
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(b) The compound that will produce sulphur dioxide gas when reacted with dilute HCl.
(c) The solution of this compound produces dirty green precipitate with NaOH.
State one relevant observation for each of the following:
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(b) Burning of ammonia in excess of oxygen.
(c) Dry ammonia gas is passed over heated PbO.
Give reason for the following:
(a) Ionisation potential decreases down a group.
(b) Ionic compounds do not conduct electricity in solid state.
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(a) The percentage of phosphorus in the fertilizer super phosphate Ca(H2PO4)2 correct to 1 decimal point.
[At. Wt. H=1, P=31, O=16, Ca=40]
(b) Write the empirical formula of C8H18