Identify the Oxidation State of H in H₂(g)

question 95

Multiple Choice

Identify the oxidation state of H in H₂(g) . Mg(s) + 2 HBr(aq) → MgBr₂(aq) + H₂(g)

• A) +1
• B) +2
• C) 0
• D) -1
• E) -2

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Definitions:

Straight-Line Method

A method of calculating depreciation of an asset by evenly distributing its cost over the useful life of the asset.

Scrap Value

The estimated resale value of an asset at the end of its useful life, typically considered as salvage value.

Double-Declining-Balance

A method of accelerated depreciation which doubles the regular depreciation rate, reducing the value of an asset more quickly in its early years.

Scrap Value

The estimated value that an asset will realize upon its sale at the end of its useful life, typically a minimal amount reflecting its residual value.