Alkanes

Question 1

What is the polarity like in alkanes and why?

Answer 1

Non polar
H and C have similar electro negativity so only van der waals are present

Question 2

What is the trend in boiling point with alkanes

Answer 2

The longer the chain, the greater the boiling point

Question 3

Do branched or unbranched alkanes have a high bp and why?

Answer 3

Unbranched

Branched alkanes are not packed together as closely so van der waals forces are not as effective

Question 4

What is the solubility of alkanes like and why?

Answer 4

Insoluble in water

Do not have H bonding to form intermolecular forces with the water molecules

Question 5

Reactivity of alkanes?

Answer 5

Relatively unreactive