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All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.
Complete Question
The complete question is shown on the first uploaded image
Answer:
The correct place to click on any of the double peak showing between 2500 and 3000
on the uploaded question
Explanation:
The group which is being highlighted is an Aldehyde functional group denoted by this structure (
)
This groups stretch on the infrared spectrometer gives two medium intensities peaks
Its stretch comes at 2820 - 2850
peak 1
and at 2720 - 2750
peak 2
So the correct click would be on any of the two peaks between 2500 - 3000
region