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The empirical and molecular formula of s...

The empirical and molecular formula of sucrose is same

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To determine whether the statement "The empirical and molecular formula of sucrose is the same" is true, we will follow these steps: ### Step 1: Identify the molecular formula of sucrose. The molecular formula of sucrose is given as \( C_{12}H_{22}O_{11} \). ### Step 2: Determine the ratio of the elements in the molecular formula. From the molecular formula \( C_{12}H_{22}O_{11} \), we can see the number of each type of atom: - Carbon (C): 12 - Hydrogen (H): 22 - Oxygen (O): 11 ### Step 3: Find the simplest ratio of the elements. To find the simplest ratio, we need to divide the number of each atom by the greatest common divisor (GCD) of the numbers 12, 22, and 11. - The GCD of 12, 22, and 11 is 1 (since they have no common factors other than 1). - Therefore, the simplest ratio remains \( C_{12}H_{22}O_{11} \). ### Step 4: Write the empirical formula. Since the simplest ratio of the elements in sucrose cannot be simplified further, the empirical formula is the same as the molecular formula: - Empirical formula: \( C_{12}H_{22}O_{11} \). ### Step 5: Conclusion. Since the empirical formula \( C_{12}H_{22}O_{11} \) is the same as the molecular formula \( C_{12}H_{22}O_{11} \), the statement "The empirical and molecular formula of sucrose is the same" is true.
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Give one example each of a molecule in which the empirical and molecular formulae are (a) same (b) different.

What is the basic difference between empirical and molecular formulae ?

Knowledge Check

  • The empirical formula of sucrose is

    A
    `CH_(2)O`
    B
    CHO
    C
    `C_(12)H_(22)O_(11)`
    D
    `C(H_(2)O)_(2)`
  • Empirical formula is the simplest formula of the compound which gives the atomic ratio of various elements present in one molecule of the compound. However, the molecular formula of the compound gives the number of atoms of various elements present in one molecule of the compound. Molecular formula=(Empirical formula) xxn n=("Molecular mass")/("Empirical formula mass") A compound may have same empirical and molecular formulae Both these formulae are calculated by using percentage composition of constituent elements. Which of the following compounds have same empirical formula?

    A
    Formaldehyde
    B
    Glucose
    C
    Sucrose
    D
    Acetic acid
  • Empirical formula is the simplest formula of the compound which gives the atomic ratio of various elements present in one molecule of the compound. However, the molecular formula of the compound gives the number of atoms of various elements present in one molecule of the compound. Molecular formula=(Empirical formula) xxn n=("Molecular mass")/("Empirical formula mass") A compound may have same empirical and molecular formulae Both these formulae are calculated by using percentage composition of constituent elements. Which of the following represents the formula of a substance which contains 50% oxygen?

    A
    `N_(2)O`
    B
    `CO_(2)`
    C
    `NO_(2)`
    D
    `CH_(3)OH`
  • Similar Questions

    Explore conceptually related problems

    Empirical formula is the simplest formula of the compound which gives the atomic ratio of various elements present in one molecule of the compound. However, the molecular formula of the compound gives the number of atoms of various elements present in one molecule of the compound. Molecular formula=(Empirical formula) xxn n=("Molecular mass")/("Empirical formula mass") A compound may have same empirical and molecular formulae Both these formulae are calculated by using percentage composition of constituent elements. The pair of species having different percentage composition of carbon are:

    PASSAGE-II : Empirical formula is the simplest formula of the compound which gives the atomic ratio of various elements present in one molecule of the compound. However, the molecular formula of the compound gives the number of atoms of various elements present in one molecule of the compound. Molacular formula = (Empirical formula) xxn implies n=("Molecular mass")/("Empirical formula mass") A compound may have same empirical and molecular formula. Both these formulae are calculated using percentage composition of constituent elements. 10 g of hydrofluoric acid gas occupies 5.6 litre of volume at STP. If the empirical formula of the gas is HF, then its molecular formula in the gaseous state will be

    PASSAGE-II : Empirical formula is the simplest formula of the compound which gives the atomic ratio of various elements present in one molecule of the compound. However, the molecular formula of the compound gives the number of atoms of various elements present in one molecule of the compound. Molacular formula = (Empirical formula) xxn implies n=("Molecular mass")/("Empirical formula mass") A compound may have same empirical and molecular formula. Both these formulae are calculated using percentage composition of constituent elements. Which of the following compounds have the same empirical formula as that of formaldehyde?

    Empirical formula is the simplest formula of the compound which gives the atomic ratio of various elements present in one molecule of the compound. However, the molecular formula of the compound gives the number of atoms of various elements present in one molecule of the compound. Molecular formula=(Empirical formula) xxn n=("Molecular mass")/("Empirical formula mass") A compound may have same empirical and molecular formulae Both these formulae are calculated by using percentage composition of constituent elements. A compound of Na, C and O contains 0.0887 mol Na, 0.132 mol O and 2.65xx10^(22) atoms of carbon . the empirical formula of the compound is:

    Empirical formula is the simplest formula of the compound which gives the atomic ratio of various elements present in one molecule of the compound. However, the molecular formula of the compound gives the number of atoms of various elements present in one molecule of the compound. Molecular formula=(Empirical formula) xxn n=("Molecular mass")/("Empirical formula mass") A compound may have same empirical and molecular formulae Both these formulae are calculated by using percentage composition of constituent elements. 10 g of hydrofluoric acid gas occupies 5.6 litres of volume at STP. if the empiriccal formula of the gas is HF, then its molecular formula in the gaseous state will be: