Predict the Product, When Cyclopentanecarbaldehyde Reacts with Phenylhydrazine (PhNHNH₂) in the Presence

question 28

Multiple Choice

Predict the product, when cyclopentanecarbaldehyde reacts with phenylhydrazine (PhNHNH₂) in the presence of an acid catalyst.

• A) I
• B) II
• C) III
• D) IV
• E) V

---

Definitions:

COP Instruction

A command used in PLC programming that copies a block of data from one area to another in memory.

FAL Instruction

In the context of industrial control systems, it could refer to a specific instruction or command within a controller's programming, but the exact definition may vary based on the system.

Speed

The rate at which an object covers distance or an operation is performed.

Value

The numerical quantity or magnitude associated with an entity or assigned to a variable.