Halogens

Which of the following is not a halogen? A. Cl B. Br C. Fl D. Na

D

What is the physical appearance of Chlorine? A. Greenish-yellow gas B. Reddish-brown liquid C. Purplish-black solid

A

What is the basic reaction that the halogen undergo with halides? A. Combustion B. Displacement C. Neutralization

B

What is the physical appearance of Bromine? A. Greenish-yellow gas B. Reddish-brown liquid C. Purplish-black solid

B

Arrange the elements in increasing boiling points. A. I, Cl, Br B. Br, I, Cl C. Cl, Br, I

C

What is the physical appearance of Iodine? A. Greenish-yellow gas B. Reddish-brown liquid C. Purplish-black solid

C

Which of the following is a liquid at room temperature? A. Fluoride B. Chlorine C. Bromine D. Iodine

C

Is the following statement true or false? Reactivity of the halogens increases down the group.

False

Is the following statement true or false? The colours of the halogens become lighter down the group.

False

Is the following statement true or false? Oxidising power of the halogens decreases down the group.

True

Is the following statement true or false? The melting points and boiling points of the halogens increase down the group.

True

Is the following statement true or false? The valence shell of each halogen contains seven valence electrons.

True