Which Is the Best Sequence of Reactions for the Following

question 123

Multiple Choice

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.

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Definitions:

Minerals

Inorganic substances required by the body in small amounts for a variety of functions, including building strong bones and teeth, and regulating metabolism.

Buffers

Substances that minimize changes in pH by absorbing or releasing hydrogen ions in a solution.

Enzymes

Biological catalysts that speed up chemical reactions in living organisms by lowering the activation energy, involved in processes such as digestion and metabolism.

Glycolysis

A metabolic process that breaks down glucose to form pyruvate, releasing energy and producing ATP.