First slide

13th group or boron group

Question

How many moles of $N O_{2}$ are produced when one mole of B reacts with $H N O_{3}$ ?

Easy

A

1
B

2
C

3
D

4

Solution

Following is the reaction with nitric acid.
$B + 3 H N O_{3} \to H_{3} B O_{3} + 3 N O_{2}$

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