What is the molar mass of thiophene?
84.14 g/molThiophene / Molar mass
What is the formula for thiophene?
C4H4SThiophene / Formula
What is thiophene made of?
Today, thiophene is prepared commercially from butane or butene and sulfur or sulfur dioxide. Certain thiophene derivatives occur as plant pigments and other natural products.
Which statement about thiophene is correct?
| Q. | Which statement about thiophene is incorrect? |
|---|---|
| B. | Thiophene is polar |
| C. | Thiophene is less reactive than pyrrole |
| D. | Thiophene is more reactive than furan |
| Answer» d. Thiophene is more reactive than furan |
How is thiophene made?
i) Thiophene can be synthesized on industrial scale by the high temperature reaction between n- butane and Sulfur. ii) Thiophene can be synthesized by passing a mixture of acetylene and hydrogen sulfide through a tube containing alumina at 400°C. This method is commercially used.
How do you make thiophene?
ii) Thiophene can be synthesized by passing a mixture of acetylene and hydrogen sulfide through a tube containing alumina at 400°C. This method is commercially used. iii) Thiophene may also be prepared by heating sodium succinate with phosphorous trisulphide.
Why is thiophene more aromatic than furan?
Raising the electronegative S in Thiophene will guide to the most significant growth in aromaticity. The aromaticity order in these heterocycles depends on the electronegativity of the heteroatom : 0>N>S Hence, the aromaticity is ordered as Thiophene > Pyrrole > Furan.
Is thiophene acidic or basic?
Pyrrol, furan or thiophene don’t have any bond pair electrons free to release which is why they shouldn’t be basic, but the lecturer of organic chemistry is saying that they are basic as they react with hydrochloric acid to form salts.
How is thiophene different from furan and pyrrole?
The key difference between pyrrole furan and thiophene is that pyrrole contains a –NH group in a five-membered carbon ring and furan contains an oxygen atom in a five-membered carbon ring whereas thiophene contains a sulfur atom in a five-membered carbon ring.
Why aromaticity of thiophene is greater than furan and thiophene?
Atoms with a higher electronegativity hold their lone electron pair more tightly, reducing the ease of delocalization (aroma). Therefore, the most electronegative heteroatom in furan decreases aromaticity the most. Increasing the electronegative S in Thiophene will lead to the greatest increase in aromaticity.
Why is thiophene more aromatic than pyrrole?
Why thiophene is more stable and more aromatic than pyrrole and furan?
Answer. Since N is less electronegative than O, it will be slightly more stable than O with that positive charge. Hence,pyrrole will be more aromatic than furan. Therefore, according to me, the aromaticity order should be: benzene > pyridine > pyrrole > furan > thiophene.
Why thiophene is more aromatic than pyrrole and pyrrole is more aromatic than furan?
Why is thiophene more stable than furan?
Answer: Since N is less electronegative than O, it will be slightly more stable than O with that positive charge. Hence, pyrrole will be more aromatic than furan.
Why is thiophene the most aromatic?
Is thiophene more stable than furan?
Since N is less electronegative than O, it will be slightly more stable than O with that positive charge. Hence, pyrrole will be more aromatic than furan. Therefore, the aromaticity order should be: benzene > pyridine > pyrrole > furan > thiophene.