First slide

Water and Heavy water

Question

Which of the following is not a redox reaction?

Moderate

A

$2 Na + 2 H_{2} O \overset{}{\to} 2 NaOH + H_{2}$
B

$2 F_{2} + 2 H_{2} O \overset{}{\to} 2 HF + O_{2}$
C

$6 {CO}_{2} + 12 H_{2} O \overset{}{\to} C_{6} H_{12} O_{6} + 6 H_{2} O + 6 O_{2}$
D

${Na}_{3} N + 3 H_{2} O \overset{}{\to} 3 NaOH + {NH}_{3}$

Solution

Oxidation number of none of the element is changing.

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