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which member in each pair of liquids has the higher vapor pressure at a given temperature? (a) c2h6 c4h10 (b) ch3ch2f ch3ch2oh (c) nh3 ph3

Sagot :

C2H6 has the higher vapor pressure. C4H10 and C2H6 are both nonpolar and thus have London dispersion forces only. C2H6 is a smaller molecule and thus has weaker dipole forces and a higher vapor pressure.

C2H6 has lower mass then C4H10 And alto Vander wall fond between C2H6 molecules is lever then that of C4H10. So C2H6 will be Lighter vapor pressure.

CH3CH2OH possess hydrogen Sending due to which they will be strongly attracted to each other as compared to CH3CH3F. So CH3CH3F will has high Lighter vapor pressure due to less attraction motion between them.

NH3 will also posse's hydrogen bonding. So PH3 will have higher vapor pressure.

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