ONL Predict the major organic product in the reaction below: excess Nat CN (in H2O) Br R P+ Br The product is characterized by mass spectrometry (molecular ion (M+) = 167 m/z and abundant daughter ions 96 m/z and 40 m/z). How do the molecular ion and each fragment support your product assignment? It is also confirmed by infrared spectroscopy (2927, 2247, 1467, and 1378 cm1). How does each absorbance listed support your product assignment? Without the phosphonium salt (R4P*Br*), this reaction does not give any appreciable amounts of product. Explain why this is true and give a clear explanation of the role of R4P*Br and how it promotes the formation of your product (a diagram may be helpful). What do we commonly call this type of catalyst?.
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**Predict the Major Organic Product in the Reaction Below:**
\[ \text{Reactants: Na}^+ \text{CN (in } \text{H}_2\text{O, excess) and R}_{4}\text{P}^+ \text{Br}^- \]
\[ \text{Product:} \]
\[
\begin{array}{c}
\text{Br} \\
\\
\text{R}_{4}\text{P}^+ \text{Br}^-
\end{array}
\]
The product is characterized by mass spectrometry (molecular ion (M\(^+\)) = 167 m/z and abundant fragment ions at 50 m/z and 40 m/z). How does the molecular ion and each fragment support your product assignment?
It is also confirmed by infrared spectroscopy (2927, 2247, 1467, and 1378 cm\(^{-1}\)). How does each absorbance listed support your product assignment?
Without the phosphonium salt (R\(_4\)P\(^+\) Br\(^-\)), this reaction does not give any appreciable amounts of product. Explain the role of R\(_4\)P\(^+\) Br\(^-\) and how it promotes the formation of your product (a diagram may be helpful).
**What do we commonly call this type of catalyst?**
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I hope this helps in understanding the context of the reaction and the analytical methods used for product confirmation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2c8842d9-b1ee-42eb-92f9-68b294ddc2b9%2F3c97b5d9-d2b9-45e7-9c0b-96d9d27632be%2F7kfqcvq_processed.jpeg&w=3840&q=75)
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