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Why is O-O bond length in ozone (128 pm)...

Why is O-O bond length in ozone (128 pm) more than in `O_2` (122 pm)?

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The bond length in ozone molecule is intermediate between that of a O-O single bond (148 pm) and that of a O=O double bond (122 pm) due to resonance in `O_3` molecule which is a resonance hybrid of the following structures :
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Assertion (A) The O-O bond length in H_(2)O_(2) is shorter than that in O_(2) . Reason (R ) H_(2)O_(2) is ionic compound.

Assertion (A) The O-O bond length in H_(2)O_(2) is shorter than that in O_(2) . Reason (R ) H_(2)O_(2) is ionic compound.

Statement-1: The O-O bond length in H_(2)O_(2) is longer than that of O_(2)F_(2) . Statement-2: H_(2)O_(2) is a polar covalent molcule.

The lowest O-O bond length in the following molecule is :

The lowest O-O bond length in the following molecule is :

The lowest O-O bond length in the following molecule is :

Suggest reasons why the B–F bond lengths in BF_(3) (130 pm) and BF_(4 )^(– ) (143 pm) differ.

Explain why C—C bond length in ethane is 154 pm while that in ethylene is 134 pm.

Bond angle in NH_(3) is more than in H_(2)O. Discuss

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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. What is tailing of mercury ?

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  2. What is ozonolysis ?

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  3. Why is O-O bond length in ozone (128 pm) more than in O2 (122 pm)?

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  4. Why ozone is used in improving the atmosphere of crowded places such a...

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  5. Write balanced chemical equations for the preparation of SO2 from a s...

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  6. Why quicklime is not used for drying SO2?

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  7. What is produced when SO2 is dissolved in water?

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  8. Name one substance which can be used as a catalyst in the formation of...

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  9. Write one chemical equation to show that SO2 acts as a reducing agent...

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  10. What happens when SO2 reacts with Cl2 : (i) in presence of sunlight....

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  11. SO2 acts as a bleaching agent. How?

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  12. Dry SO(2) does not bleach dry flowers because

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  13. Why does SO2 exhibit bleaching action only in presence of water?

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  14. What happens when H2S reacts with SO2 ?

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  15. What happens when SO2 is passed through caustic soda solution ?

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  16. What is the bond angle in SO2 ?

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  17. State the name of anhydride of H2SO4.

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  18. Why sulfuric acid is described as king of chemicals ?

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  19. Why sulfuric acid is also known as oil of vitriol?

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  20. Why the process of manufacture of H2SO4 is named contact process ?

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