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Select correct set of species which can'...

Select correct set of species which can't react with water but react with NaOH,
(i) `NO_(2)`
(ii) `P_(4)`
(iii) `Al`
(iv) `I_(2)`

A

Only (iv)

B

(iii) and (iv)

C

(ii), (iii) and (iv)

D

all (i), (ii), (iii) and (iv)

Text Solution

AI Generated Solution

The correct Answer is:
To solve the problem of selecting the correct set of species that cannot react with water but can react with NaOH, we will analyze each of the given species: \( NO_2 \), \( P_4 \), \( Al \), and \( I_2 \). ### Step-by-Step Solution: 1. **Analyze \( NO_2 \)**: - \( NO_2 \) (Nitrogen Dioxide) reacts with water to form nitrous acid (\( HNO_2 \)) and nitric acid (\( HNO_3 \)). - **Conclusion**: \( NO_2 \) reacts with water. 2. **Analyze \( P_4 \)**: - \( P_4 \) (White Phosphorus) is insoluble in water and does not react with it. - **Conclusion**: \( P_4 \) does not react with water. 3. **Analyze \( Al \)**: - \( Al \) (Aluminium) is a reactive metal, but it forms a protective oxide layer when exposed to air. In pure water, it does not react significantly due to this oxide layer. - **Conclusion**: \( Al \) does not react with water. 4. **Analyze \( I_2 \)**: - \( I_2 \) (Iodine) is also insoluble in water and does not react with it. - **Conclusion**: \( I_2 \) does not react with water. 5. **Reactions with NaOH**: - **For \( NO_2 \)**: It reacts with NaOH to form sodium nitrite (\( NaNO_2 \)) and sodium nitrate (\( NaNO_3 \)). - **For \( P_4 \)**: It reacts with NaOH to form phosphine and sodium phosphide. - **For \( Al \)**: It reacts with NaOH to form sodium aluminate and hydrogen gas. - **For \( I_2 \)**: It reacts with NaOH to form sodium iodide (\( NaI \)) and sodium hypoiodite (\( NaOI \)). ### Final Conclusion: The species that do not react with water but do react with NaOH are \( P_4 \), \( Al \), and \( I_2 \). Therefore, the correct set of species is: **Answer: \( P_4 \), \( Al \), \( I_2 \)**.

To solve the problem of selecting the correct set of species that cannot react with water but can react with NaOH, we will analyze each of the given species: \( NO_2 \), \( P_4 \), \( Al \), and \( I_2 \). ### Step-by-Step Solution: 1. **Analyze \( NO_2 \)**: - \( NO_2 \) (Nitrogen Dioxide) reacts with water to form nitrous acid (\( HNO_2 \)) and nitric acid (\( HNO_3 \)). - **Conclusion**: \( NO_2 \) reacts with water. ...
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