Which of the following statements is false? Explain your choice.

Hydrotelluric acid, H₂Te, is a stronger acid than H₂S because Te has a larger radius than S.

The larger the electronegativity of the central atom, the weaker the oxyacid.

In a series of acids that have the same central atom, acid strength increases with the number of nonprotonated oxygen atoms bonded to the central atom.

In general, the acidity of hydrides increases from left to right in a given row of the periodic table.

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Trinidad TremblayLv2

17 Dec 2019

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Indicate whether each of the following statements is true or false. For each statement that is false, correct the statement to make it true. (a) In general, the acidity of binary acids increases from left to right in a given row of the periodic table. (b) In a series of acids that have the same central atom, acid strength increases with the number of hydrogen atoms bonded to the central atom. (c) Hydrotelluric acid (H₂Te) is a stronger acid than H₂S because Te is more electronegative than S.

skychinchilla953

A) Identify the strongest acid in the following set and give the correct reasoning.

HClO HBrO HIO

		HBrO. Strength of oxyacids with the same number of HO groups increase with increasing electronegativity of the central atom.
		HIO. Strength of oxyacids with the same number of HO groups increase with increasing size of the central atom.
		HClO. Strength of oxyacids with the same number of HO groups increase with increasing electronegativity of the central atom.
		HIO. Strength of oxyacids with the same number of HO groups decrease with increasing size of the central atom.

B) Identify the strongest acid in the following set and give the correct reasoning.

NH₃ H₂O H₂S

		NH₃. H₂O is weaker than NH₃ because oxygen is more electronegative and H₂S is weaker than H₂O because S is larger than O.
		H₂S. H₂O is stronger than NH₃ because oxygen is more electronegative and H₂S is stronger than H₂O because S is larger than O.
		H₂O. H₂O is stonger than NH₃ and H₂S because oxygen is more electronegative.
		H₂S. H₂O is stronger than NH₃ because oxygen is less electronegative and H₂S is stronger than H₂O because S is smaller than O.

Indicate whether each of the following statements is true or false. For each statement that is false, correct the statement to make it true. (a) Acid strength in a series of H–A molecules increases with increasing size of A. (b) For acids of the same general structure but differing electronegativities of the central atoms, acid strength decreases with increasing electronegativity of the central atom. (c) The strongest acid known is HF because fluorine is the most electronegative element.