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AlekseyPX
3 years ago
9

________ are particularly polarizable.

Chemistry
2 answers:
klasskru [66]3 years ago
7 0

Answer:

e. Large molecules, regardless of their polarity,

Explanation:

As the volume where electrons are free to move increases, the polarizability increases this is so as the electrons are free to wander far from the nucleus as such they are lightly bound increasing the chances of transfer to another atom, hence the parent atom becomes polarised. In a similar analogy, larger molecules are more polarizable than smaller ones

Juliette [100K]3 years ago
5 0

Answer:

Large molecules, regardless of their polarity,

Explanation:

Large molecules are easily polarizable. Polarizability has to do with the distortion of the cloud in a molecule. The larger a molecule is, the more polarizable it is. For instance among the halogen gases I2 (iodine gas) is the most polarizable being the largest molecule in the group even though it is a homonuclear molecule.

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Numbers of electrons transferred in the electrolytic or voltaic cell is 6 electrons.

Explanation:

Fe^{3+} (aq) + 3 e^-\rightarrow Fe (s) ,E^o = -0.036 V

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The substance having highest positive reduction E^o potential will always get reduced and will undergo reduction reaction.

Reduction : cathode

Fe^{3+} (aq) + 3 e^-\rightarrow Fe (s) ,E^o = -0.036 V..[1]

Oxidation: anode

Mg(s)\rightarrow Mg^{2+}(aq) + 2 e^-,E^o = 2.37 V..[2]

Oxidation reaction occurs at anode and reduction reaction occurs at cathode.

To calculate the E^o_{cell} of the reaction, we use the equation:

E^o_{cell}=E^o_{red,cathode}-E^o_{red,anode}

E^o_{cell}=-0.036V-(-2.37 V)=2.334 V

The overall reaction will be:

2 × [1] + 3 × [2] :

2Fe^{3+} (aq) + 3Mg(s)+6e^-\rightarrow 2Fe (s)+3Mg^{2+}(aq)+6e^-

Electrons on both sides will get cancelled :

2Fe^{3+} (aq) + 3Mg(s)\rightarrow 2Fe (s)+3Mg^{2+}(aq)

Numbers of electrons transferred in the electrolytic or voltaic cell is 6 electrons.

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