Hydrocarbons having double or triple bonds are known as:

saturated

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unsaturated

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homologues

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functional groups

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Solution

The correct option is B unsaturated
The hydrocarbons containing only single bonds are called saturated hydrocarbons because each of the carbon atoms is bonded to a maximum number of atoms possible, i.e. you cannot add any other atom to it without replacing the existing one. Therefore, it is said to be saturated
Hydrocarbons containing double and triple bonds on other hand have the ability to still accept additional hydrogen / other atoms without replacing any of the existing atoms. The double/ triple bond can be cleaved and hydrogen/another atom can be added in its place without replacing the existing one. Hence, they are termed as ' unsaturated '.

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Fill in the blanks

(1) The organic compounds having double or triple bond in them are termed as _______

(2) The general formula of alkanes is _______

(3) _______ are known as parent organic compounds.

(4) Covalent compounds are generally soluble in _______ solvents.

(5) Triple bond can be obtained by sharing _______ pairs or _______ electrons.

(6) Hydrocarbons necessarily contain _______ and _______.

In the context of hydrocarbons, consider the following statements,

i) Compounds with single bonds are more stable than those with double or triple bonds.

ii) During the formation of the double or triple bonds, the spatial orientation of other orbitals changes and interelectronic repulsions increase.

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