Question

Question:2) Melting points of different compounds are given below. According to the table, in which of the
following compounds the force of attraction between the molecules is strongest?
Oxide
Melting Point (K)
Al.O,
2345
MgO
3125
Cao
2837
Cr 0
2539
Mno
808
Fe,0
1867
Co 0.
1163-1213
Nio
2257
Y,0,
2683
Ceo
2873
Zroz
2973
A) O Mgo
B)
Al2O3
C)
MnO2
D)
C0₃04​

Answer 1

Answer:

The intermolecular forces in water and ethyl alcohol are mainly hydrogen bonding. Higher melting point of water than alcohol shows that hydrogen bonding in ethyl alcohol molecules is not as strong as in water molecules. Diethyl ether is a polar molecule. The intermolecular forces present in them are dipole - dipole attraction. Methane is a non-polar molecule. The only forces present in them are the weak Vander Waal's forces (London / dipersion forces).

Answer 2

Answer:

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Explanation:

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