Evaporation rate: This is the rate at which a substance evaporates compared to either ether, which evaporates quickly, or butyl acetate, which evaporates slowly. If the substance has an evaporation rate greater than one, it evaporates faster than the comparison substance.
Answer:
Name ; Nickel(ii)Hydroxide
Formula;NI3O6
Explanation:
The total number of electron pairs that are shared between the two carbon atoms in a molecule of ethyne is 3.