MCQ
How many isomers are possible in $[Co{(en)_2}C{l_2}]$
- A$2$
- ✓$4$
- C$6$
- D$1$
Again Cis isomer can give $2$ optical isomers.
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$C ( s )+\frac{1}{2} O _{2}( g ) \rightarrow CO ( g )+100 \;kJ$
When coal of purity $60 \%$ is allowed to burn in presence of insufficient oxygen, $60 \%$ of carbon is converted into $'CO'$ and the remaining is converted into $'CO _{2}$$'$.
The heat generated when $0.6 \;kg$ of coal is burnt is