Which of the following structural features of graphite best accounts for its use as a lubricant?
- ADelocalized electrons
- BStrong covalent bonds between carbon atoms
- Cvan der Waals forces between layers
- DLimited three covalency of carbon
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Similar Questions
Explain the formation of London forces.
Medium
View SolutionMatch the type of interaction in Column $I$ with the distance dependence of their interaction energy in Column $II$:
$I$. Ion-ion $a$. $1/r$ $II$. Dipole-dipole $b$. $1/r^{2}$ $III$. London dispersion $c$. $1/r^{3}$ $d$. $1/r^{6}$
| $I$. Ion-ion | $a$. $1/r$ |
| $II$. Dipole-dipole | $b$. $1/r^{2}$ |
| $III$. London dispersion | $c$. $1/r^{3}$ |
| $d$. $1/r^{6}$ |
Which of the following forces is involved in dinitrogen $(N_2)$?
Which set of compounds in the following pairs of ionic compounds has the higher lattice energy?
$(i) \, KCl$ and $MgO$
$(ii) \, LiF$ and $LiBr$
$(iii) \, Mg_3N_2$ and $NaCl$
$(i) \, KCl$ and $MgO$
$(ii) \, LiF$ and $LiBr$
$(iii) \, Mg_3N_2$ and $NaCl$
Medium
View SolutionThe attractive interactions between cations and mobile electrons in metallic solid is called
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