Basics of organic chem

what is included in the main composition of organic substances?

• C, Na, H

• C, He, Cl

• C, N, H

• C, I, K

Electronic configuration of carbon in the GROUND state

• 1s2 2s2 2p3
• 1s2 2s2 2p1
• 1s2 2s1 2p3
• 1s2 2s2 2p2

The class of organic compound where C=C is present.

Specify the organic substance:

• C2H2

• H2CO3

• CH4

• CO2

what is this organic compound?

• Ethanol
• Acetone
• Propane

• Methane

Answer explanation

CH4 ! =)

the valence of carbon?

specify what belongs to the class of organic chemistry:

• alcohols

• ketones

• alkalis

• oxides

• phenols

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