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lidiya [134]
4 years ago
15

Bromination occurs on alkene functional groups, but NOT on alkenes found within aromatic functional group, such as the phenyl ri

ng of cinnamic acid. Chemists would describe this difference in reactivity as an example of _____

Chemistry
1 answer:
liq [111]4 years ago
8 0

Answer:

When cinnamic acid react with bromine ,addition reaction rapidly occur on alkene functional group to form dibromo product

Explanation:

Phenyl ring is an aromatic hydrocarbon ,when aromatic hydrocarbons react with Cl2,Br2 or KMnO4 no reaction occur ,where as unsaturated hydrocarbon  like alkene react .Aromatic hydrocarbon with these reagents undenr different conditions undergoes subtituition reaction.They react with bromine in presence of lewis acid catalyst ferric bromide.

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why is it better to use several trials of a titration rather than one trial to determine the concentration of a solution of unkn
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6 0
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What is the volume of 1.2 moles of oxygen gas (O2) at standard temperature and pressure (STP)?
REY [17]
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5 0
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Read 2 more answers
During trial 1, the limiting reactant is __________ because_____________________________.
Svetach [21]

Answer:

B

Explanation:

5 0
3 years ago
(b) Why is the heat of sublimation ( ΔH fus ) of a substance greater than its ( ΔHvap ) ?
Ivanshal [37]

This is because solids have less energy than liquids do, hence it takes more energy to excite a solid into its gaseous phase than it does a liquid.

When opposed to merely reducing their separation, from solid to liquid, the energy needed to totally separate the molecules as they move from liquid to gas is substantially higher. The latent heat of vaporization is therefore bigger than the latent heat of fusion for this reason.

<h3>What is heat of sublimation?</h3>

The amount of energy required to change one mole of a substance from its solid to its gaseous state under particular conditions—typically the standard ones—is known as the enthalpy of sublimation or heat of sublimation (STP). A solid's worth is based on its cohesive energy.

<h3>What is heat of vaporization?</h3>

The term "enthalpy of vaporization," which is often referred to as "heat of vaporization" or "heat of evaporation," refers to the amount of energy that must be applied to a liquid substance in order to cause a part of that substance to transform into a gas. Vaporization's enthalpy varies with the pressure at which the transition takes place.

Learn more about heat of sublimation: brainly.com/question/13200793

#SPJ4

The correct question is:

Why heat of the sublimation of a substance is greater than the heat of vaporization?

7 0
2 years ago
H-h+cl+cl____2h-cl... calculate the energy needed to break the bond​
Elenna [48]
The energy required to break one mole of Cl - Cl bond is 242 kJ/mol
4 0
3 years ago
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