MCQ
How many $sp^2$ and $sp-$ hybridised carbon atoms are present respectively in the following compound ?


- A$6, 0$
- B$4, 2$
- C$3, 3$
- D$5, 1$

They are carbons with a triple bond.
$4 sp ^2$ carbons, which are with double bonds.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$H _{2( g )}+ Br _{2( g )} \rightarrow 2 HBr _{( g )}$
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 $HBr?$