Zn + H2SO4-------× ZnSO4 + H2
(I) Identify which is oxidizing?
(ii) Which is reducing?
(iii) Which is oxidising agent?
(iv) Which is reducing agent?
(v) What type of reaction is it?
Answers
Answer:
I)Zn is oxidising
2)h2so4(sulphuric acid)is reducing
3)h2so4
4)Zn
5) displacement reaction
hope it may help you
Answer and Explanation:
Due to the increase in its oxidation number after the redox reaction, zinc must be the specie that is oxidized. Therefore, the specie that is oxidized is Zn .
Zn is a reducing agent, H 2SO 4 is an oxidizing agent. ; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.]
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1 H2SO4 + Zn → H2 + ZnSO4
7 H2SO4 + Zn + ZnO → H2O + H2 + ZnSO4
In chemistry, an oxidising agent (oxidant, oxidizer) is a substance that has the ability to oxidize other substances — in other words to accept their electrons. Common oxidizing agents are oxygen, hydrogen peroxide and the halogens.
Zn is a reducing agent, H 2SO 4 is an oxidizing agent.
SINGLE REPLACEMENT (also called DISPLACEMENT):
General form: A + BC → AC + B (“A displaces B”) Examples: Zn + H2SO4 → ZnSO4 + H2 Mg + 2 AgNO3 → Mg(NO3)2 + 2 Ag In these, a “more reactive” element displaces a “less reactive” one from a compound.