JEE Main On 8 April 2017 Question 17
Question: Consider the following ionization enthalpies of two elements ‘A’ and ‘B’.
| Element | Ionization enthalpy (kJ/mol) |
|---|---|
| 1st 2nd 3rd | |
| A | 899 1757 14847 |
| B | 737 1450 7731 |
Which of the following statements is correct? [JEE Online 08-04-2017]
Options:
A) Both ‘A’ and ‘B’ belong to group-1 where ‘A’ comes below ‘B’.
B) Both ‘A’ and ‘B’ belong to group-2 where ‘A’ comes below ‘B’.
C) Both ‘A’ and ‘B’ belong to group-1 where ‘B’ comes below ‘A’.
D) Both ‘A’ and ‘B’ belong to group-2 where ‘B’ comes below ‘A’.
Show Answer
Answer:
Correct Answer: D
Solution:
Both ‘A’ and ‘B’ belong to group-2 where ‘B’ comes below ‘A’.
