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Question
Two substances, A and B were made to react to form a third substance, A2B according to the following reaction
\[\ce{2A + B -> A2 B}\]
Which of the following statements concerning this reaction are incorrect?
(i) The product A2B shows the properties of substances A and B
(ii) The product will always have a fixed composition
(iii) The product so formed cannot be classified as a compound
(iv) The product so formed is an element
Options
(i), (ii) and (iii),
(ii), (iii) and (iv)
(i), (iii) and (iv)
(ii), (iii) and (iv)
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Solution
(i), (iii) and (iv)
Explanation:
\[\ce{2A + B -> A2 B}\]
The product A2 B is a new compound formed hence, it does not show properties of A and B. The product formed is a compound and not an element.
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