a) butane isheavier than ethane. b) butane has more electronsand is therefore mo
ID: 681682 • Letter: A
Question
a) butane isheavier than ethane.
b) butane has more electronsand is therefore more polarizable than ethane.
c) butane has more hydrogensand therefore can make more hydrogen bonds than ethane.
d) butaneis more polar than ethane and therefore has stronger dipole-dipoleinteractions.
He: Tboil= -269 oC , Ne: Tboil = -246oC, Ar: Tboil = -186oC, Kr: Tboil = -269 oC
a) the masses of theatoms.
b) thepolarizabilities of the atoms.
c) the dipole momentof the atoms.
d) the number of neutronsin the nuclei of the atoms.
a) MgCl2, b)MgBr2 c)NaBr d)CaCl2, e)CaBr2,
Explanation / Answer
We Know that : 1. Butanehas higher boiling point than Ethane because it is heavier thanEthane and also it has larger surface area than Ethane. 2. The boiling points of the Rare gases is due to followsthe order : The Polarizabilities of the the gases increases down thegroup which increases their boiling point . 3. The Compound which has largest lattice energy is the molecule whichhas greater in the magnitude of charge and lower in the atomic Radius. MgCl2 has highest latticeenergy. 4. The ionic compound which require higher energy than CaS todecompose to gaseous ions is AlN based on the Concept of lattice energy. Greater the magnitude of thecharge and lower the Atomic Radius. 5. The compound which has lower boiling point is Boron Nitridebeing covalent other compounds are ionic. 6. Cis - CHBr = CHBr is Polar due to presence of Net - dipolemoment. Trans - CH Br = CHBr is Non- polar due to No net dipolemoment.Related Questions
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