Vanillin is a flavoring agent which occurs naturally in the vanilla bean, the seed of an orchid. identify the functional group circled.
a) aldehyde
b) ketone
c) alcohol
d) carboxylic acid 34)

A) Aldehyde

Explanation:

Functional group in organic compounds refers to group of atoms that is responsible for chemical characteristics of organic compounds.

The one present in Vanilin is Aldehyde( -CHO) which are generally always present in flavoring agent.

answer: mercury

explanation:

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.