Are 'in turn' and 'tactfully' correctly used in both sentences?

Are 'in turn' and 'tactfully' correctly used in both sentences?

1. At the open forum, students asked/raised questions on the difficulties in making career choices, which in turn the speakers tactfully answered.

2. An open forum was held in which students asked/raised questions questions on the advantages of certain careers or professions over others, which in turn the speakers tactfully answered.