Chromium-6 Acetate and Acetate Ions

The video tutorial explains how to write the formula for chromium-6 acetate. It begins by identifying the element symbol for chromium and its charge, followed by a detailed explanation of the acetate ion, including its structure and charge. The tutorial then focuses on balancing the charges to ensure the compound is neutral, resulting in the formula Cr(CH3COO)6. The video concludes with a recap of the formula and its components.

What is the charge of chromium in Chromium-6 Acetate?

• 2+

• 6+

• 3+

• 4+

Which of the following is a correct representation of the acetate ion?

• CH3COO-

• CH3COOH

• C2H3O2

• CH3COO+

Which of the following is NOT a correct way to write the acetate ion?

• CH3COO

• CH3COOH

• C2H3O2-

• CH3COO-

How many acetate ions are needed to balance the charge of one chromium ion in Chromium-6 Acetate?

• 5

• 4

• 3

• 6

What is the net charge of the Chromium-6 Acetate compound?

• 1+

• 0

• 1-

• 2-

Why is it important to balance the charges in Chromium-6 Acetate?

• To make the compound reactive.

• To give the compound a positive charge.

• To make the compound soluble in water.

• To ensure the compound is stable.

Which of the following is the correct formula for Chromium-6 Acetate?

• Cr2(CH3COO)6

• Cr(CH3COO)3

• Cr(CH3COO)6

• Cr2(CH3COO)3

What is the significance of the parentheses in the formula Cr(CH3COO)6?

• They are used to denote the charge of the compound.

• They show the number of acetate ions.

• They indicate the number of chromium ions.

• They are used to separate different elements.