AP EAMCET · Chemistry · Hydrogen
The correct order of acidic character of group- 16 hydrides is
- A \(\mathrm{H}_2 \mathrm{O} < \mathrm{H}_2 \mathrm{~S} < \mathrm{H}_2 \mathrm{Se} < \mathrm{H}_2 \mathrm{Te}\)
- B \(\mathrm{H}_2 \mathrm{O}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{Te}\)
- C \(\mathrm{H}_2 \mathrm{O} < \mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{Te}\)
- D \(\mathrm{H}_2 \mathrm{O} < \mathrm{H}_2 \mathrm{~S} < \mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{Te}\)
Answer & Solution
Correct Answer
(A) \(\mathrm{H}_2 \mathrm{O} < \mathrm{H}_2 \mathrm{~S} < \mathrm{H}_2 \mathrm{Se} < \mathrm{H}_2 \mathrm{Te}\)
Step-by-step Solution
Detailed explanation
Acidic character increases down the group as the \(M-\mathrm{H}\) bond strength decreases. Hence, the correct option is (1).
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