Which is the best sequence of reactions for the following transformation? A)i)SOCl₂; ii)C₆H₆,AlCl₃; iii)Zn(Hg),HCl; iv)HNO₃,H₂SO₄ B)i)SOCl₂; ii)HNO₃,H₂SO₄; iii)C₆H₆,AlCl₃; iv)H₂,Ni C)i)HNO₃,H₂SO₄; ii)SOCl₂; iii)C₆H₆,AlCl₃; iv)Zn(Hg),HCl D)i)PBr₃; ii)HNO₃,H₂SO₄; iii)C₆H₆,AlCl₃; iv)NaBH₄,H₂O E)Two of these syntheses are satisfactory.

Question

Quizplus · Accepted Answer

The best sequence of reactions for the given transformation is:
i) HNO3, H2SO4
ii) SOCl2, pyridine
iii) LiAlH4
iv) H3O+

Option C has the correct sequence of reactions - HNO3, H2SO4 followed by SOCl2, pyridine, LiAlH4 and finally H3O+. The other options have incorrect or unnecessary steps in the sequence.

Which Is the Best Sequence of Reactions for the Following