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Chemistry

Loss of electrons from an element 'X' is represented by : X - 3e- ⟶ X3+ [X ⟶ X3+ + 3e-)

  1. X is a …………… [metal/non-metal] and will form …………… [electrovalent/covalent] compounds only.

  2. X3+ formed is a …………… [cation/anion] and element 'X' has a valency of …………… [+2/+3/-3].

  3. If X3+ combines with oxygen the formula of the product is …………… [X2O3 / XO / X3O2]

  4. If the above product in the …………… [solid/molten] state is electrolysed the ion X3+ will get discharged at the …………… (anode/cathode).

  5. The ion X3+ …………… [accepts/loses] electrons and gets …………… [oxidized/reduced] to neutral …………… [ions/atoms/molecules].

Metallurgy

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Answer

  1. X is a metal and will form electrovalent compounds only.

  2. X3+ formed is a cation and element 'X' has a valency of +3.

  3. If X3+ combines with oxygen the formula of the product is X2O3.

  4. If the above product in the molten state is electrolysed the ion X3+ will get discharged at the cathode.

  5. The ion X3+ accepts electrons and gets reduced to neutral atoms.

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