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FULL MARKS-P - BLOCK ELEMENTS - II-TEXTBOOK EVALUATION (II. Answer the following questions:)
- What is inert pair effect ?
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- Chalcogens belongs to p-block. Give reason.
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- Explain why fluorine always exhibit an oxidation state of -1 ?
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- Give the oxidation state of halogen in the following. (a) OF(2)" ...
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- What are interhalogen compounds ? Give examples .
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- Why fluorine is more reactive than other halogens?
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- Give the uses of helium .
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- What is the hybridisation of iodine in IF(7) ? Give its structure .
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- Give the balanced equation for the reaction between chlorine with cold...
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- How will you prepare chlorine in the laboratory ?
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- Give the uses of sulphuric acid.
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- Give a reason to support that sulphuric acid is a dehydrating agent.
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- Write the reason for the anamolous behaviour of nitrogen .
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- Write the molecular formula and structural formula for the following m...
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- Give the uses of argon.
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- Write the valence shell electronic configuration of group-15 elements.
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- Give the equations to illustrate the chemical behaviour of phosphine .
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- Give a reaction between nitric acid and a basic oxide.
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- What happens when PCl(5) is heated ?
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- Suggest a reason why HF is a weak acid, wheres binary acids of the all...
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