MCQ
Which of the following is known as hydronium ion
- A${H^ + }$
- B${H_2}{O^ + }$
- ✓${H_3}{O^ + }$
- D${H_2}O_2^ + $
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Product "$A$" is :
$\to H-F = 565\, kJ/mol$
Calculate average bond energy of $Xe-F$ bond.....$ kJ/mol$
$C(s) + O_2(g) \to CO_2(g) + x\ kJ$
$CO(g) + \frac {1}{2}O_2(g) \to CO_2(g) + y\,kJ$
The heat of formation of $CO(g)$ is

