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Q.

An element A (at wt = 75) and another element B (at wt = 25) combine to form a compound. The compound contains 75% A by weight. The formula of the compound

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a

$A B_{3}$

b

$A_{3} B$

c

$A B$

d

$A_{2} B$

answer is D.

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Detailed Solution

No. Of g atoms of $A = \frac{75}{75} = 1$
No. Of g atoms of $B = \frac{25}{25} = 1$

$∴$ The molecular formula of the compound will be AB

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An element A (at wt = 75) and another element B (at wt = 25) combine to form a compound. The compound contains 75% A by weight. The formula of the compound