P-Block Elements Ques 481

Question: Which of the following hydrides has the lowest boiling point

[MP PET 1997]

Options:

A) H2O

B) H2S

C) H2Se

D) H2Te

Show Answer

Answer:

Correct Answer: B

Solution:

H2O 2NaOH+Cl2NaClO+NaCl+H2O H2Se H2Te 373K 213K 269K 232K H2S has lowest boiling point and H2O has highest boiling point because if any compound has hydrogen bond. Its boiling point is high.



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