MCQ
Bromine is obtained commercially from sea water by adding
- A$AgN{O_3}$ solution
- BCrystals of $NaBr$
- ✓$C{l_2}$
- D${C_2}{H_4}$
$KBr + Cl _2 \rightarrow KCl + Br _2$
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$H_2 + F_2 \longrightarrow 2HF$
given that
Bond energy of $H-H$ bond $= 434\, kJ/mol$
Bond energy of $F-F$ bond $= 158\, kJ/mol$
Bond energy of $H-F$ bond $= 565\, kJ/mol$
.....$ kJ$

Given : Atomic masses of $C , H$ and $N$ are $12,1$ and $14\, amu$ respectively.
The molar mass of the compound $A$ is $162\, g\, mol ^{-1}$.