GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is true about empirical and molecular formulas?
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The molecular formula of a compound cannot be the same as its empirical formula.
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The empirical formula of a compound can be some whole-number multiple of its molecular formula.
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Several compounds can have the same empirical formula, but have different molecular formulas.
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The empirical formula of a compound can be triple its molecular formula.
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Explanation:
Detailed explanation-1: -STATEMENT-2: Compounds that have the same empirical formula may have different molecular formulae. Both the statements are true.
Detailed explanation-2: -(A) If two compounds have the same empirical formula but different molecular formula, they have same vapour density.
Detailed explanation-3: -The correct option is C I. A given compound can have the same, molecular and empirical formula. II. The molecular formula is a whole number multiple of the empirical formula.
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