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WorksheetsLIÊN KẾT HYDRO
Total questions: 10
Worksheet time: 8mins
What is the basis of hydrogen bond?
Attraction forces between hydrogen atom bonded with another hydrogen atom
Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N)
Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N) with atom (F, O, N) of another molecule
Attraction forces between hydrogen atom with another hydrogen atom of another molecule
When hair is dry, protein molecules in the hair structure form hydrogen bonds with...
other protein molecules in the same hair structure
water molecules, H2O
other protein molecules from another hair structure
water molecules, H2O which also forms hydrogen bonds with protein molecules from another hair structure
When hair is wet, protein molecules in the hair structure form hydrogen bonds with...
other protein molecules in the same hair structure
water molecules, H2O
other protein molecules from another hair structure
water molecules, H2O which also forms hydrogen bonds with protein molecules from another hair structure
How do you overcome a difficulty in turning the pages of a book when the pages stick together?
Ripping the pages until they are separated
Shake the book until the pages separate
Lick your finger before turning the pages
Blow the pages as hard as you can
Which of these compounds will have the highest boiling point?
Br2
C4H10
C3H7OH
Cl2
Can ammonia, NH3 form hydrogen bonds?
Yes
No
Proton number of Hydrogen is
1
2
3
4
Why can compounds that can form hydrogen bonds have higher boiling points than compounds that cannot form hydrogen bonds?
Compounds that can form hydrogen bonds need to overcome weak Van der Waals attraction forces
Compounds that can form hydrogen bonds need to overcome strong hydrogen bonds
Compounds that can form hydrogen bonds need to overcome weak Van der Waals attraction forces and strong hydrogen bonds
