Question Detail

CHM 102 P block elements Objective Question
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Question

The trend in properties down a P-block group is not smooth. One 'anomaly' mentioned for the last element in a group is:
Options
A Its electronegativity is lower than expected.
B Its size is smaller than expected.
C Its electronegativity is higher than expected due to Lanthanide contraction.
Correct Answer
D It has an unusually high melting point.
Correct Answer

Option C is the correct answer.

Detailed Explanation

Page 7 mentions: 'Last element has higher EN than expected (Lanthanide contraction)'.

Hint

Recall the effect of f-block elements on the properties of subsequent elements in the periodic table.

Question Info

Course: CHM 102
Topic: P block elements
Type: Objective
Difficulty: Not specified
Question 1935 of 1999
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