Which of the following compounds gives an infrared spectrum with peaks at 1000-1250 cm−1 (strong) , but does not have peaks at 3200-3650 or 1630-1820 cm−1 (sharp, weak peak) ? 
Definitions:
Judgment Samples
Selected instances or examples of decisions made by a court, used for research, review, or educational purposes.
Stratified Samples
A method of sampling from a population which is divided into subgroups, known as strata, that share similar characteristics.
Convenience Samples
A sampling method where participants are selected based on their ease of accessibility and proximity to the researcher.
Causation
The action of causing something to happen or the relationship between cause and effect.
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