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Chemistry : The p-Block Elements

Short Answer Type

661. What type of hybridisation explains the trigonal bipyramidal shape of SF₄?

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662. What is the state of hybridization of N in NO_3^-?

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663. Write the structure of pyrophospheric acid.

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664. Name the geometry of XeF₄ and XeO₃.

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665. Why is N₂ not particularly reactive?

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666. Give an example of oxoacid of phosphorus in which oxidation state of phosphorus is + 4.

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667. Name the noble gas which has (i) highest first ionization energy (ii) highest boiling point.

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668. Why does sulphur in vapour state exhibit paramagnetic character?

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669. Arrange the hydrides of group 16 in the decreasing order of their thermal stability. Is the order same or different for their reducing character?

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670. Arrange the hydrides of group 16 in the decreasing order of their thermal stability. Is the order same or different for their reducing character?

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