Chatting with one friend in Facebook, others come to disturb you. Unlike the other internet messengers for chatting, Facebook doesn’t have option of directly blocking certain person in chat room. Here is one way to block friend in the Facebook by creating groups.
Follow the following easy steps and you can block friends in Facebook chat:
1) Login to you Facebook Account. Click on the Chat option in the right-bottom of the Facebook page, a box will appear with the list of your online friends. This displays all the online friends of yours.
3)The chat box will appear with new friend list(s). Drag the online friends on the list. You can select which friend to keep in which group. Drag the friends which you want to block in the same group. Friends will be seen below the their respective list name
4)You will see a oval icon with white and green colour beside the friend list name. When pointing the pointer it shows Go Offline option, click there and you will be offline for the friends in that list. Literally, those friends are blocked for chatting. Again click the same icon, they will be unblocked.