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Question: Answered & Verified by Expert
The increasing order of volatility of hydrides of group 16 elements is -
Chemistrys Block ElementsNEET
Options:
  • A H2O < H2Te < H2Se < H2S
  • B H2S < H2O < H2Se < H2Te
  • C H2O < H2S < H2Se < H2Te
  • D H2Te < H2Se < H2S < H2O
Solution:
2321 Upvotes Verified Answer
The correct answer is: H2O < H2Te < H2Se < H2S
Volatility of hydrides VI-A =H2S>H2Se>H2Te>H2O
Volatility1moleculaweight
But H2O is least volatile due to H- Bond.
So, order of volatility is H2O<H2Te<H2Se<H2S

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