State whether the following statements are True or False:

A.

Carbon tetrachloride is inflammable.

B.

The reaction of methyl magnesium bromide with acetone followed by hydrolysis gives a secondary alcohol.

C.

Halogens have deactivating influence on the benzene ring.

D.

2, 3, 4-trichloro pentane has three symmetric carbon atoms.

E.

During S_N1 reaction, the leaving group leaves the molecule before the incoming group is attached to the moelcule.