The following is correct for a solution of the strong acid, HI HI reacts only with strong bases It is completely ionized in water It is partially dissociated in water HI reacts with water producing OH* ions

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### Properties and Behavior of Strong Acid HI

**Question:** The following is correct for a solution of the strong acid, HI:
 
1. **HI reacts only with strong bases**
2. It is completely ionized in water
3. It is partially dissociated in water
4. HI reacts with water producing OH⁻ ions

**Correct Answer:** The first option, "HI reacts only with strong bases," is selected.

#### Explanation:
Hydroiodic acid (HI) is known to be a strong acid, which means it dissociates completely in aqueous solution. Therefore, the most accurate statement is that it is completely ionized in water. The complete ionization in water is a fundamental property of strong acids, contrasting with weak acids that only partially dissociate.

- **Option 1:** "HI reacts only with strong bases" is factually correct as strong acids typically form neutralization reactions with strong bases like NaOH.
  
- **Option 2:** "It is completely ionized in water", should ideally be considered as a correct statement for HI, given its nature as a strong acid.

- **Option 3:** "It is partially dissociated in water" is incorrect as HI, being a strong acid, does not partially dissociate; it undergoes complete ionization.

- **Option 4:** "HI reacts with water producing OH⁻ ions" is incorrect as HI dissociates to produce H⁺ ions (protons) and I⁻ ions in water, instead of OH⁻ ions.

In conclusion, in an educational context, the key takeaway is that HI (hydroiodic acid) is a strong acid known for its complete ionization in water, and it reacts with strong bases.
Transcribed Image Text:### Properties and Behavior of Strong Acid HI **Question:** The following is correct for a solution of the strong acid, HI: 1. **HI reacts only with strong bases** 2. It is completely ionized in water 3. It is partially dissociated in water 4. HI reacts with water producing OH⁻ ions **Correct Answer:** The first option, "HI reacts only with strong bases," is selected. #### Explanation: Hydroiodic acid (HI) is known to be a strong acid, which means it dissociates completely in aqueous solution. Therefore, the most accurate statement is that it is completely ionized in water. The complete ionization in water is a fundamental property of strong acids, contrasting with weak acids that only partially dissociate. - **Option 1:** "HI reacts only with strong bases" is factually correct as strong acids typically form neutralization reactions with strong bases like NaOH. - **Option 2:** "It is completely ionized in water", should ideally be considered as a correct statement for HI, given its nature as a strong acid. - **Option 3:** "It is partially dissociated in water" is incorrect as HI, being a strong acid, does not partially dissociate; it undergoes complete ionization. - **Option 4:** "HI reacts with water producing OH⁻ ions" is incorrect as HI dissociates to produce H⁺ ions (protons) and I⁻ ions in water, instead of OH⁻ ions. In conclusion, in an educational context, the key takeaway is that HI (hydroiodic acid) is a strong acid known for its complete ionization in water, and it reacts with strong bases.
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