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Question
Classify the following oxide as neutral, acidic, basic or amphoteric:
SiO2
Options
neutral
acidic
basic
amphoteric
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Solution
acidic
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The reason for small radius of Ga compared to Al is:
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(ii) increase in nuclear charge.
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Carbon and silicon both belong to the group 14, but inspite of the stoichiometric similarity, the dioxides, (i.e., carbon dioxide and silicon dioxide), differ in their structures. Comment.
Match List I with List II:
| List I | List II |
| Coke | Carbon atoms are sp3 hybridized. |
| Diamond | Used as a dry lubricant. |
| Fullerene | Used as a reducing agent. |
| Graphite | Cage like molecules |
Choose the correct answer from the options given below:
