NEET Solved Paper 2019 Question 26

Question: Which is the correct thermal stability order for $ H _2E $ (E = O, S, Se, Te and Po)? [NEET 5-5-2019]

Options:

A) $ H _2Po<H _2Te<H _2Se<H _2S<H _2O $

B) $ H _2Se<H _2Te<H _2Po<H _2O<H _2S $

C) $ H _2S<H _2O<H _2Se<H _2Te<H _2Po $

D) $ H _2O<H _2S<H _2Se<H _2Te<H _2Po $

Show Answer

Answer:

Correct Answer: A

Solution:

  • As we move downwords stability of Hydrides decreases $ H _2O>H _2S>H _2Se>H _2Te>H _2Po $