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Chemistry · May / June 2022 · Paper 11 · Question 17

5070Ion and ionic bonds

Compound X is sodium iodide, NaI. Compound Y is methyl methanoate, HCO2CH3. At room temperature and pressure, ......1...... solid. In aqueous solution, ......2...... electricity. Which words correctly complete gaps 1 and 2?

  1. Aboth X and Y are / both X and Y conduct
  2. Bboth X and Y are / only X conducts
  3. Conly X is / both X and Y conduct
  4. Donly X is / only X conducts

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Correct answer: D. only X is / only X conducts

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