Which of the following molecule does not obey the octet rule and also has Ione pair on the central atom?

Which of the following molecule does not obey the octet rule and also

1.	Which of the following molecule does not obey the octet rule and also has Ione pair on the central atom?
Answer» `"CC"l_(4)` `PCl_(3)` `NH_(3)` `SCl_(4)` ANSWER :D