What is the reaction order with respect to $Br{O}_3^{-}?$

$1Br{O}_3^{-}(aq)+5B{r}^{-}(aq)+6H^{+}(aq)longrightarrow3B{r}_2(l)+3H_{2}O(l)$

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a $0^{th}$ order

b $1^{st}$ order

$2^{nd}$ order

d $3^{rd}$ order

None of the aboveWhat is the reaction order with respect to $[$BrO$\_\{3\}^\{-\}]?$

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a

$0^\{$th$\}$ order

b

$1^\{$st$\}$ order

c

$2^\{$nd$\}$ order

d

$3^\{$rd$\}$ order

e

None of the above