Question 5:
The order of ionization enthalpy for B,Al and Ga is
A. B>Al>Ga
B. BGa
D. B>Al>Ga
Incorrect
Correct Answer: D
Asked by Pawan chhipa | 12th Oct, 2012, 07:41: PM
Expert Answer:
A and D are same. Please check.
The first ionisation enthalpies are as follows:
B
Al
Ga
In
Tl
801
577
579
558
589
So, the order is B > Ga > Al.
| B | Al | Ga | In | Tl |
| 801 | 577 | 579 | 558 | 589 |
Answered by | 14th Oct, 2012, 10:08: AM
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