MCQ
The compound that can work both as oxidising and reducing agent is
- A$KMn{O_4}$
- ✓${H_2}{O_2}$
- C$Ba{O_2}$
- D${K_2}C{r_2}{O_7}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$(a)$ $PCl_5$ form weak monobasic acid during hydrolysis
$(b)$ In $B_3N_3H_6$ nucleophile attack on $B-$ atom
$(c)$ $Al_2Cl_6$ is a polar and planar molecule
$(d)$ In $AlF_3$, hybridisation of $Al$ is $sp^2$
$C ( s )+\frac{1}{2} O _{2}( g ) \rightarrow CO ( g )+100 \;kJ$
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