(a) What is the IUPAC name of Fe\(_2\)(SO\(_4\))\(_3\)? (b)(i) Write an equation to represent the...
CHEMISTRY
WAEC 1998
(a) What is the IUPAC name of Fe\(_2\)(SO\(_4\))\(_3\)?
(b)(i) Write an equation to represent the reaction of hydrogen sulphide with iron (III) chloride solution.
(ii) Mention one change observed during the reaction in (b)(i) above.
Explanation
(a) IUPAC name of Fe\(_2\)(SO\(_4\))\(_3\) is iron (iii) tetraoxosulphate (VI)
(b)(i) Equation of reaction of H\(_2\)S and FeC\(_3\) is 2FeCI\(_3\) + H\(_2\)S \(\to\) 2FeCl\(_2\) + 2HCI + S.
(ii) Changes observed. Brown solution changes to green and yellow deposit is formed.
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