Which best describes the functional group in an aldehyde?

a. a carbonyl group inserted into the main chain

b. an –oh group and a carbonyl group attached to the main chain

c. a carbon chain with a carbonyl group bonded to one end

d. a carboxylic acid bonded on each side to a carbon chain

Answer : The correct option is, (C) a carbon chain with a carbonyl group bonded to one end.

Explanation :

An aldehyde is an organic compound which contain a functional group with (-CHO) i.e R-CHO

R-CHO functional group consists of a carbonyl center that means a carbon which is double-bonded to the oxygen. The carbon of this carbonyl group bonded with the hydrogen to one end and a carbon chain, (R) to another end.

Some examples of an aldehydes are formaldehyde , acetaldehyde

Therefore, the correct answer is, (C)

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.

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