Which of the following statements is true about the `14^(th)` group elements ?

Which the following statements about are true

Which of the following statement is not true about carbonyl group :

Which of the following statement is not true about carbonyl group :

An element belongs to group 16 and third period. Which of the following statement is (are) correct about the element ?

Which of the following statement is true about the elements of IA and IIA group elements?

Which of the following statement is true about the elements of IA and IIA group elements?

Which of the following statements is false with respect to group 14 elements. ?