MCQ
Amongst the following, the compound that can be most readily sulphonated is
- ABenzene
- BNitrobenzene
- ✓Toluene
- DChlorobenzene
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$I.\, Al_2Cl_6\,\,\, II.\, B_2H_6\,\,\, III.\, Fe_2Cl_6\,\,\, IV.\, Si_2H_6$

Reason: $He$ is soluble in blood.