Which of the Following Bases Cannot Deprotonate Acetylene? You Are

question 30

Multiple Choice

Which of the following bases cannot deprotonate acetylene? You are given the pK_a values of the conjugate acids in parentheses. $\mathrm { CH } _ { 3 } \mathrm { NH } ^ { - } \left( \mathrm { p } K _ { a } = 40 \right) \quad \mathrm { CO } _ { 3 } ^ { 2 - } \left( \mathrm { p } K _ { a } = 10.2 \right) \quad \mathrm { CH } _ { 2 } = \mathrm { CH } ^ { - } \left( \mathrm { p } K _ { a } = 44 \right) \quad \left( \mathrm { CH } _ { 3 } \right) _ { 3 } \mathrm { CO } ^ { - } \left( \mathrm { p } K _ { a } = 18 \right)$
I $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$ II $\quad\quad\quad\quad\quad\quad\quad\quad\quad$ III $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$ IV

• A) Only I and II
• B) Only I and III
• C) Only II and III
• D) Only II and IV

---

Definitions:

Times

Often refers to a multiplicative factor or frequency of occurrences within a specified period.

Accounts Receivable Period

The average number of days it takes for a business to receive payments owed by its customers for goods or services provided on credit.

Inventory Period

The inventory period is the amount of time it takes for a company to sell through its stock of goods. This is a critical component of inventory management and cash flow analysis.

Accounts Payable Turnover

A financial metric that measures how fast a business pays its suppliers, calculated by dividing the total purchases by the average accounts payable during a period.