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Question

Two substances, $$A$$ and $$B$$ were made to react to form a third substance, $$A_{2}B$$ according to the following reaction.
$$2 A+B\rightarrow A_{2}B$$
Which of the following statements concerning this reaction are incorrect?
(i) The product $$A_2B$$ 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.


A
(i), (ii) and (iii)
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B
(ii) and (iv)
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C
(i), (iii) and (iv)
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D
(ii), (iii) and (iv)
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Solution

The correct option is C (i), (iii) and (iv)
$$2 A+B\rightarrow A_{2}B$$
In this reaction $$A$$ and $$B$$ always reacts in a fix proportion and forms a compound which doesn't show properties of $$A$$ and $$B$$.

Chemistry

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