If the Empirical Formula Is CH₂, and the Molecular Weight

question 147

Multiple Choice

If the empirical formula is CH₂, and the molecular weight is equal to 180 ±10, then the molecular formula is ________.

• A) C₆H₁₂O₆
• B) C₁₄H₂₁
• C) C₈H₁₂O₄
• D) C₁₃H₂₆

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Definitions:

Vernalization

The process by which exposure to cold temperatures for a certain length of time induces a plant to flower.

Thigmomorphogenesis

An alteration of plant growth in response to mechanical stimuli, such as wind, rain, hail, and contact with passing animals.

Rhizomes

Underground plant stems that send out roots and shoots from its nodes, involved in vegetative reproduction and storage.

Tubers

Thickened, usually underground parts of a stem or rhizome, storing nutrients.