Question

The element with atomic number 9 can exhibit oxidation state ofa +1 b +3c -1d +5​

Answer 1

Answer:

c

Explanation:

fluorine can show only -1 oxidation state because it keeps high tendency to oxidise.

Answer 2

The element with atomic number 9 can exhibit an oxidation state of -1.

• The element with atomic number 9 is Fluorine and it has the symbol of F.
• The electronic configuration of F is as follows-
• ${1s}^{2} {2s}^{2} {2p}^{5}$
• Thus 2p shell of F has 5 electrons and it needs one more electron to complete its octet. Thus F gains one electron and completes its octet.
• That's why F shows a -1 oxidation state.
• The correct option is c.

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