Chemistry
When a metal atom becomes an ion:
- It loses electrons and is oxidized.
- It gains electrons and is reduced.
- It gains electrons and is oxidized
- It loses electrons and is reduced.
Answer
It loses electrons and is oxidized.
Reason — As oxidation is loss of electrons so the metal atom is oxidised after losing electrons.
Metals generally do not gain electrons; this is typical behavior of non-metals. Gaining electrons is reduction, not oxidation. Loss of electrons is oxidation, not reduction.
Related Questions
In the formation of CCl4 molecule, the nearest noble gas configuration attained by carbon and chlorine respectively are :
- Argon and neon
- Helium and neon
- Neon and argon
- Helium and argon
The characteristic of an electrovalent compound is that :
- It is formed by sharing of electrons
- It is formed between metals and non-metals
- It is formed between two non-metals
- It often exists as a liquid.
An element Y has 2 electrons in the 2nd orbit and X has 7 electrons in its 3rd orbit. The compound formed between them has the formula:
- XY2
- YX2
- YX
- Y7X2
Which of the following statements is not correct about the characteristics of cathode rays ?
- They start from cathode and move towards anode.
- They do not depend upon the material of the electrode.
- Their characteristics depend upon the nature of the gas present in the cathode ray tube.
- They travel in straight lines in the absence of an external electrical or magnetic fields.