http://www.geekmcq.com/

Entry Test MCQ :: The Halogens and The Noble Gases


1.  Among the halogens the rare element is
A. Fluorine B. Chlorine
C. Astatine D. Iodine

2.  The colour of chlorine gas is
A. pale yellow B. freenish yellow
C. reddish brown D. grayish black

3.  Vander Waals forces are stronger in
A. F2 B. Cl2
C. Br2 D. I2

4.  The most powerful oxidizing agent among the halogens is
A. F2 B. Cl2
C. Br2 D. I2

5.  Which of the following statements is incorrect about fluorine
A. fluorine is restricted to -1 oxidation state B. fluorine follows octet rule and as well as extended octet rule
C. fluorine has lowest dissociation energy among the halogens D. both b and c

6.  The halogen which reacts spontaneously with gold (Au) to form Au+3 is
A. F2 B. Cl2
C. Br2 D. I2

7.  Which one of the following is the weakest acid in water
A. HF B. HCI
C. HBr D. HI

8.  The halogen which reacts very slowly with halogen is
A. Fluorine B. Chlorine
C. Bromine D. Iodine

9.  Which of the following represents the correct electronic configuration of VII A group elements in the ground state?
A. ns2p2 B. ns2p4
C. ns2p5 D. ns2p6

10.  The halogen having highest electron affinity is
A. Fluorine B. Chlorine
C. Bromine D. Iodine




© 2012-2017 by GeekMCQ™ Technologies. All Rights Reserved | Copyright | Terms of Use & Privacy Policy

Contact us: info@geekmcq.com