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Empirical Formula

The empirical...

Question

The empirical formula shows the ......... numbers of atoms of each element in a compound. Fill in the blank.

A

exact

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B

relative

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C

fixed

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D

none of them

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Solution

The correct option is C relative
The empirical formula of a compound is a formula that shows the ratio of elements present in the compound, i.e., relative number of atoms present. The ratios are denoted by subscripts next to the element symbols.
Glucose has a molecular formula of $C_{6} H_{12} O_{6}$ . It contains 2 moles of hydrogen for every mole of carbon and oxygen. Therefore, the empirical formula for glucose is $C H_{2} O$ .

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Similar questions

Q. Assertion :Molecular formula shows the exact number of different types of atoms present in a molecule of a compound. Reason: Molecular formula can be obtained directly from empirical formula which represents the simplest whole number ratio of various atoms present in a compound.

Q. The relative number of atoms of elements,

X

Y

in a compound is 0.25 and 0.5. The empirical formula of compound is:

Q. The relative number of atoms of different elements in a compound are as follows:

A =

1.33

B =

1

C

=

1.5

. The empirical formula of the compound is:

Q. If true enter 1, if false enter 0.
A chemical formula of an ionic compound shows the ratio of the number of atoms of each element present in one formula unit.

I

. Experimental data reveals that

1 m o l e

X

) combines with

3 m o l e s

of a nonmetallic element (

Y

) to form a compound. The empirical formula of the compound is

{X Y}_{3}

.

I I

. Empirical formulas are the lowest whole number ratio of elements in a compound.

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