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प्रश्न
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
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उत्तर
(a) OH — Valency- 1 (C)
(b) So4 — Valency- 2 (B)
(c) No3 — Valency- 1 (C)
(d) Co3 — Valency- 2 (B)
संबंधित प्रश्न
Give the symbol of the following element:
Xenon
State the type of element for the following:
Iodine
State the type of element for the following:
Platinum
State what is meant by the term ‘activity series of metals’.
Write the radical of the following valency:
Nitrate
Write the radical of the following valency:
Oxygen
State the valency of the following metallic element and write symbol with the valency
Chromium
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bisulphite
Define Alchemy.
Write a note on Greem symbols.
