Question: The binary hydrogen compounds of the Group 4A elements and their boiling points are: CH4, -162C; SiH4, -112C; GeH4, -88C; and SnH4, -52C. Explain the

The binary hydrogen compounds of the Group 4A elements and their boiling points are: CH4, -162°C; SiH4, -112°C; GeH4, -88°C; and SnH4, -52°C. Explain the increase in boiling points from CH4 to SnH4?

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