Question

!!!!!!!Установите соответствие между исходными веществами и изменением степени окисления фосфора в ходе химической реакции.!!!!! 1)P+Ba -> a)P⁰ -> P+⁵2)P+F2 -> б)P+⁵ -> Р⁰3)H3PO4+Fe(NO3)2 -> в)Р+⁵ -> Р+⁵4)P2O5+NH3H²O -> г)Р⁰ -> Р-³5)P2O5+C -> (если что " -> "- это стрелка)​

Answer 1

Ответ:

1)г;2)а;3)в;4)в;5)б;

Answer 2

Ответ:

1)г,

2)а,

3)в,

4)в,

5)б.

Answer 3

Correspondence between Reactants and Changes in Phosphorus Oxidation State

1) P + Ba -> a) P⁰ -> P⁵ 2) P + F2 -> b) P⁵ -> P⁰ 3) H3PO4 + Fe(NO3)2 -> c) P⁵ -> P⁵ 4) P2O5 + NH3H2O -> d) P⁰ -> P³ 5) P2O5 + C -> e) P⁵ -> P³

Let's go through each reaction and determine the change in the oxidation state of phosphorus.

a) In the reaction P + Ba -> P⁰ -> P⁵, the oxidation state of phosphorus changes from 0 to +5. [[1]]

b) In the reaction P + F2 -> P⁵ -> P⁰, the oxidation state of phosphorus changes from +5 to 0. [[2]]

c) In the reaction H3PO4 + Fe(NO3)2 -> P⁵ -> P⁵, the oxidation state of phosphorus remains unchanged at +5. [[3]]

d) In the reaction P2O5 + NH3H2O -> P⁰ -> P³, the oxidation state of phosphorus changes from 0 to -3. [[4]]

e) In the reaction P2O5 + C -> P⁵ -> P³, the oxidation state of phosphorus changes from +5 to -3. [[5]]

I hope this helps! Let me know if you have any further questions.