Question
Chemistry Question on General Properties of the Transition Elements (d-Block)
Which is the correct thermal stability order forH2E (E=O, S, Se, Te and Po)?
A
H2S<H2O<H2Se<H2Te<H2Po
B
H2O<H2S<H2Se<H2Te<H2Po
C
H2Po<H2Te<H2Se<H2S<H2O
D
H2Se<H2Te<H2Po<H2O<H2S
Answer
H2Po<H2Te<H2Se<H2S<H2O
Explanation
Solution
The correct option is (C) :H2Po<H2Te<H2Se<H2S<H2O