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Chemistry
What is the correct order when the substances are arranged in the order of their boiling points?
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Q. What is the correct order when the substances are arranged in the order of their boiling points?
Classification of Elements and Periodicity in Properties
A
$NH _{3}< PH _{3}< AsH _{3}$
B
$AsH _{3}< PH _{3}< NH _{3}$
C
$PH _{3}< AsH _{3}< NH _{3}$
D
$AsH _{3}< NH _{3}< PH _{3}$
Solution:
Correct answer is (c) $PH _{3}< AsH _{3}< NH _{3}$