QUESTION 1 [20 marks]

Various options are provided as possible answers to the following questions.
Each question has only ONE correct answer. Write only the letter (A–D) next to
the question number (1.1–1.10) in the ANSWER BOOK (your own lined paper).
Question 1.1 [2 marks]
Which ONE of the bonds between the atoms below has the highest
electronegativity difference?
A. H - S
B. H - Br
C. H - F
D. H - O
Question 1.2 [2 marks]
The type of bond formed between an H
+
ion and H2O is called a/an …
A. hydrogen bond.
B. dative covalent bond.
C. ionic bond.
D. covalent bond.
Question 1.3 [2 marks]
The molecular shape of NH3
is...
A. trigonal planar.
B. trigonal/triangular pyramidal.
C. trigonal/triangular bipyramidal.
D. angular.

1 answer

Here are the answers to your questions:

1.1 C. H - F
1.2 A. hydrogen bond.
1.3 B. trigonal/triangular pyramidal.