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Grade: 12

                        

In answer, it's given that reason is the wrong statement.. isn't it correct?

7 months ago

Answers : (3)

Saurabh Koranglekar
askIITians Faculty
10233 Points
							Dear student

Theelectron gain enthalpy becomes less negative as we move downagroup. Aswe move downagroup, both the atomic size and the nuclear charge increases. ... With the increase in atomic size, the attraction of the nucleus for the incomingelectrondecreases. Hence, theelectron gain enthalpy becomes less negative.

Regards
7 months ago
Arun
25333 Points
							
Dear student
 
Reason is absolutely correct. I don't know which book you are using but use any authentic book
7 months ago
Vikas TU
13783 Points
							
this is because,as we go down the group both atomic size and nuclear charge increases,but the effect of atomic size is more prominent than that of nuclear charge. hence the force of attraction between,the nucleus and the added electron decreases.so, enthalpy becomes less negative as we move down the group.
7 months ago
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