Substance which forms isomeric products mono substitution is/are

Which of the following substituted benzene derivatives would produce three isomeric products when one more substituent is introduced ?

Which of the following substituted benzene derivatives would produce three isomeric products when one more substituent is introduced ?

Which of the following alkyl chloride yields two isomeric products on further substitution with one chlorine atom ?

In the Chlorination, substitution reaction of propane, two isomeric products containing one chlorine atom are obtained. Draw their sturctural formula and give their IUPAC names.

In the chlorination, substitution reaction of propane, two isomeric products containing one chlorine atom are obtained. Draw their structural formulae and give their IUPAC names.

When a mono substitution product is converted to disubstitution product, the first substitutent directs the second substituent to go and occupy a particular position. This is called orientation The product formed is

When a mono substitution product is converted to disubstitution product, the first substitutent directs the second substituent to go and occupy a particular position. This is called orientation The product formed is