Use the Following Two Columns of Items to Answer the Matching

question 38

Short Answer

Use the following two columns of items to answer the matching questions below:
-credit card
A)automatically deducts an amount from a checking account
B)extends the payment time through credit

• A)automatically deducts an amount from a checking account
• B)extends the payment time through credit

---

Definitions:

δ 3.1

A notation indicating a chemical shift of 3.1 in nuclear magnetic resonance (NMR) spectroscopy, often signifying the environment of a hydrogen atom in a molecule.

δ 4.2

A chemical shift value in nuclear magnetic resonance (NMR) spectroscopy indicating the resonance position of certain hydrogen atoms in a molecule relative to a standard reference.

Carbonyl Stretching

A vibrational movement in infrared spectroscopy, indicating the presence of a carbonyl group (C=O) in organic compounds.

Aldehydes

Organic compounds containing a carbonyl group bonded to at least one hydrogen atom, with the general formula R-CHO.