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Why does PCl(5) fume in moisture ?...

Why does `PCl_(5)` fume in moisture ?

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In presence of moisture `(H_(2)O), PCl_(5)` undergoes hydrolsis giving fumes of HCl.
`PCl_(5) + 4 H_(2)O rarr underset("Phosphoric")(H_(3)PO_(4)) + 5 HCl`
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PRADEEP-P-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS
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  2. Why is PCl(5) more covalent than PCl(3) ?

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  3. Why does PCl(5) fume in moisture ?

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  4. Complete the following reactions : (i) P(4) + SOCl(2) rarr (ii) CH...

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  5. Suggest a method for the laboratory preparation of DCl. Write a balan...

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  6. What is the oxidation number of phosphorus in H(3)PO(2) molecule ?

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  7. What should be the order of acidic strength in the series H(3)PO(4), H...

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  8. Why does H(3)PO(3) act as a reducing agent but H(3)PO(4) does not ?

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  9. Why does orthophosphoric acid exist as a syrupy liquid ?

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  10. How is pyrophosphoric acid related to orthophosphoric acid ?

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  11. Why are the group 16 element called chalcogens ?

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  12. What is the outer shell electronic configuration of the chalcogens ?

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  13. Write the structure of a chalcogenide dianion.

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  14. Name the allotropes of oxygen.

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  15. The two O-O bond lengths in ozone molecule are equal. Assign reason.

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  16. Ozone is thermodynamically unstable. Give reasons.

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  18. Find out the oxidation number of S in (i) SO(2)Cl(2) and (ii) Na(2)S(2...

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  19. Why OF(6) does not exist but SF(6) exists ?

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  20. Predict the relative acidic strength among the following: H(2)O, H(2...

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