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Which allotrope of sulphur is thermally ...

Which allotrope of sulphur is thermally stable at room temperature?

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OSWAAL PUBLICATION-Sample Paper 8-EXCERSICE
  1. Give an example of polydendate ligand.

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  2. Which allotrope of sulphur is thermally stable at room temperature?

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  3. Mention the hybridised state of carbonyl carbon atom.

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  4. Give an example for zero order reaction.

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  5. Name the method used for isolation of noble gas mixture from air.

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  6. What is the gas liberated at anode during the manufacture of caustic s...

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  7. How many Frardays are required to liberated 224 cm^3 of H2 from acidif...

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  8. Write the molecular formula of chromyl chloride.

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  9. Name the dispersion medium in gel.

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  10. Name the organic compound formed when chlorobenzene is treated with so...

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  11. Aluminium crystallizes in an fcc structure. Atomic radius of the metal...

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  12. Write Gibb's equation

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  13. What are two cirteria for effective collision according to collision t...

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  14. Give reasons: Actinoids show variable oxidation states.

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  15. Give reasons: Zr and Hf have almost identical radii.

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  16. Give two examples for food preseervaties.

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  17. Name the product formed when phenol is treated wilh acidified solution...

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  18. Calculate the magnetic moment of Mn^(2+) ion. [Atomic number of Mn=2...

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  19. How does phenol react with bromine water?

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  20. (i) Draw a neat labelled diagram of blast furnace used for the extract...

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