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प्रश्न
Write the chemical formula of the following compound in a step-by-step manner –
Sodium bisulphate
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उत्तर
Write the formula of
| Sodium bisulphate | Symbol | valency |
| Sodium | \[\ce{Na}\] | \[\ce{1^+}\] |
| Bisulphate | \[\ce{HSO4}\] | \[\ce{1^-}\] |
Step I – Write each symbol with its valency.
Positive ion is written first
\[\ce{Na}^{1+}\] \[\ce{[HSO4]}^{1-}\]
Step II – Interchange the valencies and ignoring signs.
The Formula is \[\ce{NaHSO4}\]
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| Column I | Column II |
| 1. Elements having valency of two. | A: Br1− |
| 2. An anion | B: Divalent |
| 3. A gaseous non-metal | C: Reactants |
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| 6. The meaning of the symbol ‘Δ’ over the arrow in a chemical equation. | F: Nitrogen |
| 7. The chemical name for nitrogen monoxide. | G: Zero |
| 8. A radical containing nitrogen and hydrogen only | H: Nitrous oxide |
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