MCQ
The compound insoluble in acetic acid is
- ACalcium oxide
- BCalcium carbonate
- ✓Calcium oxalate
- DCalcium hydroxide
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Which of the following statements is $/$ are Correct for $'Y'$

$H _{2( g )}+ Br _{2( g )} \rightarrow 2 HBr _{( g )}$
Given that bond energy of $H _{2}$ and $Br _{2}$ is $435 \;kJ mol ^{-1}$ and $192 \;kJ mol^{-1}$, respectively, what is the bond energy (in $kJ mol ^{-1}$ ) of $HBr?$