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The p-Block Elements

Short Answer Type

691.

Account for the following:
Neon is generally used in warming signal illumination.

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692.
Account for the following:
For protecting electrical instruments, neon is generally used in safety devices.

Neon is used in electrical instrument for the protection because of its characteristic property of caarrying exceedingly high curent under high voltage, it is used in safety devices for protecting electrical instrument such as voltameter from high voltage.

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693. How is oxygen converted into ozone?

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694. Write chemical equations for the action of ozone on silver and on silver oxide.

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695. Write the two resonance structures of ozone which satisfy the octet rule.

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696. Discuss the anomalous behaviour of nitrogen in group 15 elements. What is the cause of this anomalous behaviour?

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697. Oxides of nitrogen have open chain structures while those of phosphorus have closed chain or cage structures. Why is it so? Illustrate with one structural example for each type of oxides.

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