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In methanoic acid, one carbon oxygen bon...

In methanoic acid, one carbon oxygen bond length is 123 pm and another of 136 pm, but in methanoate ion both carbon-oxygen bond length are same. Explain

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PATHFINDER-CHEMICAL BONDING AND MOLECULAR STRUCTURE-QUESTION BANK
  1. Consider the following structure Find the total number of hybridised...

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  2. Find the total number of pi electrons in the following compound.

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  3. In methanoic acid, one carbon oxygen bond length is 123 pm and another...

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  4. Ammonium salts are much more soluble in water than the corresponding s...

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  5. Amongst o-hydroxybenzalaldehyde and p-hydroxybenzaldehyde which is mo...

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  6. o-nitrophenol is steam volatile but p nitrophenol is not. Explain.

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  7. In which of the following solvents, KI has highest solubility ? The di...

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  8. Which is the most ionic ?

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  9. The correct order of the increasing ionic character is

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  10. Which of the following pair of elements form a compound with maximum i...

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  11. ppi-dpi back bonding occurs between oxygen and

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  12. What is the no. of sigma and pi bonds presents in a molecule of H2SO4 ...

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  13. The molecule which contain ionic, covalent and co-ordinate bond is

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  14. Which of the following halides has different bond lengths ?

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  15. Which of the following is isostructural with NH3 ?

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  16. H-B-H bond angle in BH4^- is

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  17. The pair of species having identical shape is

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  18. Structure of ICl2^- is

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  19. The shape of sulphate ion is

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  20. Which of the following is isoelectronic as well as isostructural with ...

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