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Graphite and diamond will behave differe...

Graphite and diamond will behave differently in which of the following reactions?

A

Burning in sufficient air

B

Reaction with hot conc. `HNO_(3)`

C

Reaction with `F_(2)`

D

Reaction with `NaOH (aq.)`

Text Solution

AI Generated Solution

The correct Answer is:
To determine in which reactions graphite and diamond behave differently, we will analyze each option provided in the question. ### Step-by-Step Solution: 1. **Analyze the first reaction: Burning in insufficient air** - Graphite and diamond are both forms of carbon and are thermally stable. When burned in insufficient air, both will produce carbon soot (C) as a product. Therefore, they will not behave differently in this reaction. - **Conclusion**: This option is incorrect. 2. **Analyze the second reaction: Reaction with hot concentrated HNO3** - Graphite and diamond will react differently with hot concentrated nitric acid (HNO3). Graphite, being a good conductor of electricity and having a layered structure, will oxidize to produce different products compared to diamond, which is an insulator and has a rigid structure. The products formed from these reactions will vary. - **Conclusion**: This option is correct. 3. **Analyze the third reaction: Reaction with F2 (Fluorine)** - When graphite and diamond react with fluorine gas (F2), they will also behave differently. Graphite will react to form carbon tetrafluoride (CF4) and other fluorinated products, while diamond will react differently due to its structure and will also yield different products. Hence, they will not behave the same way in this reaction. - **Conclusion**: This option is correct. 4. **Analyze the fourth reaction: Reaction with NaOH (aqueous)** - Both graphite and diamond will react with aqueous sodium hydroxide (NaOH) in a similar manner, as they are both forms of carbon and will not show different behavior. The reaction will not vary significantly between the two. - **Conclusion**: This option is incorrect. ### Final Answer: Graphite and diamond will behave differently in reactions B (with hot concentrated HNO3) and C (with F2).
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