What Are the Spectator Ions and What Is the Net

question 35

Multiple Choice

What are the spectator ions and what is the net ionic equation for the following double-replacement, precipitation reaction?
Na₂S (aq) + ZnSO₄ (aq) →Spectator Ions Net reaction
I. Zn²⁺ and S^{2 -} 2 Na⁺ (aq) + SO₄^{2 -} (aq) →Na₂SO₄ (aq)
II. Na⁺ and SO₄^{2 -} Zn²⁺ (aq) + S^{2 -} (aq) →ZnS (s)
III. Na⁺ and Zn²⁺ S^{2 -} (aq) + SO₄^{2 -} (aq) → S₂O₄^{4 -} (aq)
IV. S^{2 -} and SO₄^{2 -} Na⁺ (aq) + Zn²⁺ (aq) →NaZn³⁺ (aq)
V. Na⁺ and S^{2 -} Zn²⁺ (aq) + SO₄^{2 -} (aq) →ZnSO₄ (s)

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

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Definitions:

Amortized Discount

A method of gradually reducing the discount on a bond over the period to its maturity, aligning interest expense with the increasing book value of the bond.

Interest Payable

A liability account that represents the amount of interest expense that has accrued but has not been paid as of the balance sheet date.

Interest Expense

The cost incurred by an entity for borrowed funds.

Direct Method

In cash flow statement preparation, the Direct Method lists all major operating cash receipts and payments, showing the net cash provided by or used in operating activities.