Accounts for the following:HF is weaker acid than HI from Chemist

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 Multiple Choice QuestionsShort Answer Type

681. How is XeO3, prepared? Write the related chemical equations. Draw the structure of XeO3.
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682.

Explain why phosphorus forms PF5 while nitrogen does not form NF5.

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683.

Accounts for the following:
NH3 is stronger base than PH3.

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684.

Accounts for the following:
HF is weaker acid than HI


The electronegativity difference between hydrogen and fluorine is very large which means that these two element will have a very strong attraction to each other.
Stronger the force of attraction lesser have capcity to donate.

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685.

Are all the five bonds in PCl5,molecule equivalent? Justify your answer.

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686. Explain why ClF3 exists whereas FCl3 does not.
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687.

How would your prepare the following: (i) H3PO3, (ii) HI, (iii) HClO4.

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688.

How are XeF2, and XeF4 prepared?

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689.

Draw the structures of the followings: (a) H2SO3, (b) H2SO4, (c) SO3.

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690.

Account for the following:
The boiling points of noble gases increase with the increase in atomic number.

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