Pretty sure it’s a) Carbon, if not tell me.
Answer:
47530 is the nearest 10 to 47526
Answer : 
Explanation : In the molecule of
the hydrogen bonding forces tend to resist any phase transition form liquid state to gaseous phase, and these hydrogen bonding forces are greater usually when the hydrogen is bound to an electronegative atom like chlorine, fluorine,oxygen,etc. This then lowers the viscosity of the compound.