Which of the following reaction involves oxidation and reduction ?

Question

Which of the following reaction involves oxidation and reduction ?

Which of the following reaction involves oxidation and reduction ?
A. `H_2 + Br_2 to 2 HBr`
B. `HBr + AgNO_3 to AgBr + HNO_3`
C. `NaBr + HCl to NaCl + HBr`
D. `Na_2O + H_2SO_4 to Na_2SO_4 + H_2O`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
Only the reaction `H_2^0 + Br_2^0 to overset(+1)(2H)overset(-1)(Br)` is a redox reaction in which oxidation numbers of elements change

4 views Answered 2023-02-05 15:29