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True of False: Concentrated H2SO4 can be...

True of False: Concentrated `H_2SO_4` can be used to prepare HBr from NaBr.

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. True of False: Nitrogen cannot form compounds of the type R3N =O while...

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  2. Complete the following statement- Composition of brass is-

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  3. True of False: Concentrated H2SO4 can be used to prepare HBr from NaBr...

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  4. "A" is a soluble acidic oxide. compared to pH of pure water what will ...

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  5. "B" is a soluble basic oxide. compared to pH of pure water what will b...

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  6. An aqueous solution has a pH value of 7 . is this solution is acidic, ...

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  7. Explain why blue vitriol changes to white upon heating.

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  8. Which of the following gives CO2 on heating ?

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  9. Give the name of following functional group ROR"

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  10. Name the functional group present in methoxy methane

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  11. In brown ring test for nitrates, Fe^(2+) ion reduces NO3^- ion to .......

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  12. PCl5 in solid state exists as ionic compound having cation ..............

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  13. The strongest reducing agent among all the halide ions is ...............

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  14. In CIF3 and SF4, Cl involves............... hybridisation and S involv...

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  15. Give the name of functional group present in propanol.

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  16. Give the name of functional group present in aniline.

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  17. In XeF4, xenon involves.......... hybridisation and its shape is ........

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  18. Oleum is formed when............ is passed through conc. H2SO4.

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  19. The two neutral oxides of nitrogen are........... and ...............

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  20. Give two examples of ketone.

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