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(i) When hydrogen combines with oxygen, ...

(i) When hydrogen combines with oxygen, a polar covalent produce is formed-explain.
(ii) What types of bonds are present in `KHF_(2)`?

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(i) Hydrogen reacts withoxygen to form `H_(2)O` as a covalent compound. Due to angular structure the resultant of the two O-H bond moments and the moment contributed by the lone pair act in the same direction. Hence, `H_(2)O` molecule is polar in nature.
(ii) `K^(+)[F * * * H-F]^(-)` Ionic, covalent and hydrogen bond.
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CHHAYA PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-SOLVED WBCHSE SCANNER
  1. Which of the following is not paramagnetic-

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  2. Which bond among the following is least ionic-

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  3. (i) When hydrogen combines with oxygen, a polar covalent produce is fo...

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  4. (i) Why H(2) is a stable molecule, but He(2) is not? (ii) Write cann...

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  5. In which of the following conversions there are changes of hybridisati...

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  6. The correct bond order of nitrogen and its different ions is-

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  7. Which one of the following compounds is not polar-

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  8. (i) Why are the bond angles of NH(3) and H(2)O less than the normal va...

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  9. (i) What are the types of hybridisation of NH(4)^(+),CO(3)^(2-),H(2)S ...

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  10. (i) Although KHF(2) is a stable compound, KHBr(2) does not exist. Expl...

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  11. All the carbon-oxygen bonds in CO(3)^(2-) radical are equivalent-expla...

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  12. The bond order of He^(2+) ion is-

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  13. Which is not paramagnetic of the following?

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  14. (i) Arrange the following compounds according to their increase of mel...

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  15. (i) why does the PCl(5) exist but NCl(5) does not? (ii) why does BaS...

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  16. Which has the smallest bond-length-

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  17. What is the hybridisation state of central I atom is I3^(-)?

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  18. (i) Calculate the bond order of [He-H]^(+) from molecular orbital theo...

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  19. (i) Both Br(2)(g) and NO(2)(g) are reddish brown gaseous substances. H...

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  20. The state of hybridisation of the central atom of which of the followi...

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