Question
Explain the cyclic structure of glucose.
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| | Column I | | Column II |
| i. | Lechlanche cell | a. | Cell reaction 2H2 + O2 ⎯→ 2H2O |
| ii. | Ni–Cd cell | b. | Does not involve any ion in solution and is used in hearing aids. |
| iii. | Fuel cell | c. | Rechargeable. |
| iv. | Mercury cell | d. | Reaction at anode, Zn ⎯→ Zn2+ + 2e- |
| | | e. | Converts energy of combustion into electrical energy. |
| Column I | | Column II | |
| i. | Soda water | a. | A solution of gas in solid. |
| ii. | Sugar solution | b. | A solution of gas in gas. |
| iii. | German silver | c. | A solution of solid in liquid. |
| iv. | Air | d. | A solution of solid in solid. |
| v. | Hydrogen gas in palladium | e. | A solution of gas in liquid. |
| | | f. | A solution of liquid in solid. |
| Column I | | Column II | |
| i. | F2 | a. | Metal is the strongest reducing agent. |
| ii. | Li | b. | Metal ion which is the weakest oxidising agent. |
| iii. | Au3+ | c. | Non metal which is the best oxidising agent. |
| iv. | Br- | d. | Unreactive metal. |
| v. | Au | e. | Anion that can be oxidised by Au3+ |
| vi. | Li+ | f. | Anion which is the weakest reducing agent. |
| vii. | F- | g. | Metal ion which is an oxidising agent. |
Account for the following: