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Out of H2O and H2S, which one has higher...

Out of `H_2O` and `H_2S`, which one has higher bond angle and why?

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Bond angle of `H_2O` (H-O-H = `104.5^@`) is larger than that of `H_2S` (H-S-H= `92^@`) because oxygen is more electronegative than sulphur, therefore, bond pair electrons of O–H bond will be closer to oxygen which will be little a way from the sulphur atom. As a result, bond pair-bond pair repulsions between bond pairs of two O-H bonds would be stronger than in the S-H bonds.
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ARIHANT PUBLICATION-GROUP 16 ELEMENTS: OXYGEN FAMILY-QUESTIONS FOR PRACTICE (SHORT ANSWER TYPE I QUESTIONS)
  1. SF6 is known but SCl6 is not. Why?

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  2. SF6 is inert towards hydrolysis. Why?

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  3. Out of H2O and H2S, which one has higher bond angle and why?

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  4. What is the action of ozone with lead sulphide? Give equation.

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  5. How does Ozone react with KI solution ?

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  6. What happens when O3 is passed through acidified SnCl2 solution ?

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  7. Why is ozone not collected over mercury?

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  8. Complete the equation given below and make it a balanced equation Sn...

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  9. What happens when SO2gas is passed through lime water first slowly and...

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  10. What happens when SO2 is passed through sulphuretted-hydrogen dissolve...

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  11. Why hydrogen sulphide cannot be dried by conc. H2SO4?

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  12. How do the following pairs of compounds react? H2S+SO2 rarr

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  13. What happens when Sulphur dioxide is passed through FeCl3 solution ?

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  14. Explain bleaching action of sulphur dioxide.

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  15. How is the presence of SO2 detected?

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  16. Comment on the nature of two S-O bonds formed in SO2 molecule. Are the...

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  17. What happens when potassium bromide is treated with warm conc. sulphur...

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  18. What happens when copper is heated with concentrated H2SO4? Give equat...

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  19. Why is K(a2) lt lt K(a1) for H2SO4 in water?

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  20. Justify the placement of O, S, Se, Te and Po in the same group of the ...

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