How to write the mechanism of ring expansion in organic chemistry?

1. How to write dehydration and ring expansion mechanism of 1-(1-cyclopentyl) methanol?
2. How to write dehydration and ring expansion mechanism of Tetrahydrofurfuryl alcohol?
3. How to write dehydration and ring expansion mechanism of 2-cyclopentylethanol?
4. Write the Dehydration and ring expansion mechanism of following alcohol:
5. Write Dehydration and ring expansion mechanism of 1-cyclobutylethanol in the presence of con H2SO4.
6. Explain the ring expansion mechanism of Bicyclic 1,2-Diols which undergoes pinacol pinacolone mechanism?
7. Explain Dehydration and ring expansion mechanism of 1-(1-Methylcyclopentyl)ethan-ol?
8. Write the major and minor product of hydration of 1 -Methylcyclopent-1-ene in acidic medium?
9. Write the major and minor product of hydrohalogenation of 2-Methylbut-1-ene in acidic medium?
10. To synthesize 2, 3-dimethylbut-1-ene in the better yield dehydrohalogenation of 2, 3-dimethyl-1-bromobutane is preferred over dehydration of 2, 3-dimethylhutan-1-ol. Why ?
11. Why dehydration proceeds in acid but not in base?
12. Why alcohols do not undergo base induced dehydration in the same way that alkyl halides are dehydrohalogenated ?
13. How can write dehydration mechanism of 1,2,3-Trihydroxymethylcyclopropane into Benzene in acidic medium?

Related Questions:

Penta-1,3-diene is more stable than penta-1,4 -diene. Why?

Phenoxide ion is more stable than an alkaoxide. why?

Why does aqueous sodium bicarbonate solution dissolve carboxylic acids but not phenol though they are also acidic ?

Why enol form of Beta Dicarbonyl compound more stable than those of monocarbonyl compounds?

Why enol form of phenol is more stable than its keto isomers?

Reactivity order of Pyrrole, Furan and Thiophene towards Electrophilic substitution :

Phenyl group is known to extract negative inductive effect, but each phenyl ring in biphenyl is more reactive than benzene towards Electrophilic substation. Why?

Chloroform is more acidic than fluoroform why?

Fluorine is more electronegative than chlorine even then, p-flurobenzoic acid is weaker acid than p-chlorobenzoic acid explain ? 

Trifluoroethyl carbocation is less stable than trifluromethyl carbocation why ?

Why is the Tropylium carbocation less stable than the tricyclopropylmethyl carbocation?