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प्रश्न
Complete the statement given below by filling in the blanks with the correct words.
The valency of iron in FeO is _______ of chlorine [chloride] in CaCl2 is ________ and of dichromate in K2 Cr2 O7 is ________.
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उत्तर
The valency of iron in FeO is 2+ of chlorine [chloride] in CaCl2 is 1– and of dichromate in K2 Cr2 O7 is 2–.
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संबंधित प्रश्न
Write the molecular formulae for the following compounds and name the elements present of Sulphuric acid
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Copper having electronic configuration 2,8,18,1 exhibits variable valency. Give a reason for the same and name the compound CuCI and CuCl2.
With reference to water and ammonia as compounds respectively, state the valency of oxygen and nitrogen.
Match the statements – 1 to 10 below with their correct answers from – A to J.
| Column I | Column II |
| 1. Elements having valency of two. | A: Br1− |
| 2. An anion | B: Divalent |
| 3. A gaseous non-metal | C: Reactants |
| 4. A cation. | D: Ammonium |
| 5. The term used for the substances which take part in the chemical reaction | E: Nitric oxide |
| 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 |
| 9. The chemical name for dinitrogen oxide | I: Heat required |
| 10. The valency of noble gases | J: K1+ |
