Carbon and it's compounds (revised portions) CBSE

A functional group mainly determines the....

• Physical properties

• Chemical properties

• Both of them

• None of the above

The difference in formula and molecular masses of CH3OH and C2H5OH is

• CH3 and 16u

• CH4 and 18u

• CH2 and 14u

• CH3 and 16u

Which of the following does not belong to the the same homologous series?

• CH4

• C2H6

• C3H8

• C4H8

Carbon exists in the atmosphere in the form of

• Carbon dioxide only

• Carbon monoxide only

• Coal

• Carbon dioxide and carbon monoxide in traces

Carbon's electronic configuration is

• 2,2,2

• 2,4

• 1,1,4

• 3,2,1

The amount of carbon in the earth's crust

• 0.03%

• 0.01%

• 0.02%

• 0.00%

In covalent bonding electrons are

• Shared

• Transferred

• Donated

• Lost

Which of the following are saturated hydrocarbons

• Alkanes

• Alkenes

• Alkynes

• All of the above

Name the compound with formula C2H4

• Methane

• Ethane

• Propane

• Ethene

Compounds with identical molecular formula but different structural formula are called...

• Isobars

• Isotopes

• Isomers

• Isotones