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Which of the following oxidation numbers...

Which of the following oxidation numbers is not correctly matched ?

A

`underset((aq.))(HNO_(3)) +P_(4)O_(10(s)) to N_(2)O_(3)`

B

`NH_(4)Cl overset(Delta)to NH_(3) +HCl`

C

`Ca_(3)P_(2) +6H_(2)O to 2PH_(3) +3Ca (OH)_(2)`

D

`NH_(4)Cl_((aq))+NaNO_(2(aq.)) overset(Delta)to N_(2)`

Text Solution

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The correct Answer is:
A
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