Which Reagent Would Best Serve as the Basis for a Simple

question 9

Multiple Choice

Which reagent would best serve as the basis for a simple chemical test to distinguish between CH₃CHO and CH₃COCH₃?

• A)NaOI (I₂ in NaOH)
• B)Br₂/CCl₄
• C)C₆H₅NHNH₂
• D)NaHCO₃/H₂O
• E)Ag(NH₃)₂⁺

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Definitions:

Australian Snake

Reptiles found in Australia, known for both venomous and non-venomous species, playing crucial roles in the ecosystem as predators and prey.

Gallflies

Insects known for forming galls, or abnormal growths, on plants, especially notable in the gall wasp family (Cynipidae).

Directional Selection

A type of natural selection in which one extreme phenotype is favored over others, causing the allele frequency to shift over time in that direction.

Quantitative Trait Locus (QTL)

Quantitative trait locus (QTL) is a stretch of DNA that is correlated with variation in a phenotypic trait. These regions contain genes, or are linked to genes, that contribute to population differences in a phenotype.