SO3 molecule has a central S atom with the three O atoms

SO3 molecule has a central S atom with the three O atoms

The SO3 molecule has a central S atom with the three O atoms bonded to the S, as shown in the figure. When a single Lewis structure is written for SO3 that obeys the octet rule for all the atoms, which of the following statements is or are true?

I. The Lewis structure has one double bond.

II. The three oxygen atoms do not all have the same formal charge.

III. The formal charge on the S atom is +1.

All three statements are true.

Only one of the statements is true.

I and II are true.

II and III are true.

I and III are true.

[참고] SO3 루이스 구조 그리기

[ https://ywpop.tistory.com/3820 ]

I. 루이스 구조는 이중 결합이 하나 있다.

II. 3개의 산소 원자는 모두 같은 형식 전하를 가지고 있지 않다.

III. S 원자의 형식 전하는 +2이다.

답: I and II are true.

[키워드] SO3 루이스 기준