Compound b has a molecular formula of c7h16o. what is the unsaturation number (un) or double-bond equivalent (dbe)?

-

Zero

Explanation: -

Double bond equivalent or level of unsaturation is the number of unsaturation present in a organic molecule. The term unsaturation may refer to a double bond or a ring system.

The double bond equivalent for an organic compound can be found out by the help of the formula

DBE = C+1 -0.5 H - 0.5 X + 0.5 N

The chemical formula of the compound B = C₇H₁₆O

So there are 7 carbons, 16 hydrogens and 1 oxygen. There is no halogen or nitrogen.

Plugging into the formula,

DBE = 7 + 1 - 0.5 x 16

      = 0

Thus there is no unsaturation or double bond present in the compound B with the molecular formula C₇H₁₆O

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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