Question

Number of compounds among the following which contain sulfur as a heteroatom is ___.
Compounds: Furan, Thiophene, Pyridine, Pyrrole, Cysteine, Tyrosine

Answer 1

The compounds containing sulfur as a heteroatom are:

• Thiophene - Contains sulfur in its five-membered aromatic ring.
• Cysteine - Contains sulfur in the form of a thiol group (-SH).

Thus, the correct count of compounds with sulfur as a heteroatom is:

So, the correct option is: 2