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Why is H2S less acidic than H2 Te ?...

Why is `H_2S` less acidic than `H_2` Te ?

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This is due to the reason that due to small size of S atom the H-s bond is relatively strong. On the other hand on moving down the group in Sulphur family the size of atom increase. The size of Te is relatively large and H - Te bond is very weak and bond cleavage is easy. So `H_2` Te is more acidic than `H_2 S`.
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ACCURATE PUBLICATION-P-BLOCK ELEMENTS-P-BLOCK (GROUP-16) (OXYGEN FAMILY )(2 OR 5 MARK QUESTIONS)
  1. Why is dioxygen gas but sulphur a solid?

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  2. Heating of milk and Drying of clothes is an example of change.

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  3. Why is H2S less acidic than H2 Te ?

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  4. Sulphur show +4 and +6 oxidation stae in their compounds but oxygen ca...

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  5. H2S is a gas while H2O is liquid at room temperature·? Why ?

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  6. Why SF6 is known but SH6 is not known ?

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  7. Explain that SO2 can act as an oxidising agent as well as a reducing a...

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  8. How would you account for the following : Sulphur has a great tendency...

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  9. Oxygen gas is inert at room temperature why?

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  10. Comment on nature of two S-O bond formed in SO2 molecule. Are the two ...

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  11. Why SF6 is known but OF6 is not known

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  12. Elements of Group 16 generally show lower value of first ionisation en...

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  13. Oxygen gas is inert at room temperature why?

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  14. Milk to cheese is an example of change.

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  15. What is the use of ozone layer?

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  16. What is tailing of mercury ?

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  17. Which form of sulphur shows paramagnetic behaviour and why ?

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  18. Why conc. sulphuric acid is always diluted by adding sulphuric acid to...

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  19. Explain the reducing character of 16th group.

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  20. What is the shape of ozone molecule ?

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