(A) : F₂ + NaOH → NaF + OF₂ + H₂O is an example of redox reactions with respect to fluorine.
(R) : Fluorine shows universal oxidation state of –1 in all its compounds.

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Both A and R are true and R is the correct explanation

Both A and R are true but R is not the correct explanation of A

A is true but R is false

A is false but R is true

answer is D.

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Detailed Solution

$\overset{0}{F_{2}} + NaOH \to Na \overset{- 1}{F} + O {\overset{- 2}{F}}_{2} + H_{2} O$

F gets reduced from 0 to -1 and -2 respectively. Hence, A is false.

F is one of the most electronegative elements in the periodic table, therefore either it exists as zero or -1 oxidation state. Oxidation state of F is zero-when it is in ground state and -1 when it combine with other elements to form any compound. Hence, R is true.

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