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Identify the correct statements with reference to the given reaction. P4 + 30H– + 3H20→ PH3 + 3H2 P0–2 (a) Phosphorus is undergoing reduction only. (b) Phosphorus is undergoing oxidation only. (c) Phosphorus is undergoing oxidation as well as reduction. (d) Hydrogen is undergoing neither oxidation nor reduction" "

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In the given reaction: P4+30H−+3H2O→PH3+3H2P0−2P4+30H−+3H2O→PH3+3H2P0−2 (a) Phosphorus (P4P4) is changing its oxidation state from 00 to −2−2 in P0−2P0−2. This indicates that phosphorus is gaining electrons and getting reduced. Therefore,...
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In the given reaction: P4+30H−+3H2O→PH3+3H2P0−2P4+30H+3H2O→PH3+3H2P0−2

  • (a) Phosphorus (P4P4) is changing its oxidation state from 00 to −2−2 in P0−2P0−2. This indicates that phosphorus is gaining electrons and getting reduced. Therefore, statement (a) is incorrect.
  • (b) Phosphorus (P4P4) is changing its oxidation state from 00 to −2−2 in P0−2P0−2. This indicates that phosphorus is gaining electrons and getting reduced. Therefore, statement (b) is incorrect.
  • (c) Phosphorus (P4P4) is indeed undergoing reduction as its oxidation state is decreasing from 00 to −2−2, while hydrogen (H−H) is undergoing oxidation as its oxidation state is increasing from −1−1 to 00 in H2H2. Therefore, statement (c) is correct.
  • (d) Hydrogen (H−H) is changing its oxidation state from −1−1 to 00 in H2H2, indicating that it is losing electrons and getting oxidized. Therefore, statement (d) is incorrect.

So, the correct statement is (c) Phosphorus is undergoing oxidation as well as reduction.

 
 
 
 
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