The halogens and noble gases, Halogens, Noble Gases, Neon , Sulfur.
Embark on an insightful journey through the halogens and noble gases, two captivating groups on the periodic table. Our exploration of these elemental families is bound to fascinate, from reactive and electronegative halogens, including elements such as chlorine and fluorine, to inert and stable noble gases such as neon. To discover the mysteries of these elements and their significance in chemistry’s grand tapestry, visit www.Nokryan.com.
1. Which has the least oxidizing power ?
A = F2
B = Cl2
C = Br2
D = I2
- C
- Dcorrect
- A
- B
2. Which halogen can oxidize all the other halogen into free halogens from their compounds ?
A = F2
B = Cl2
C = Br2
D = I2
- B
- D
- C
- Acorrect
3. Which has complete valence shell ?
- N
- Necorrect
- O
- C
4. Astatine belongs to group ?
- I-A
- II-A
- VII-Acorrect
- III-A
5. Gaseous HF exists in the form of ?
- As single entity
- Both a and bcorrect
- Cyclic hexamers
- Monomers
6. Hydrogen bond is the strongest between the molecules of ?
- HBr
- HFcorrect
- HCl
- Hl
7. Oxidation state of fluorine is ?
- +1
- +2
- -2
- -1correct
8. Half life period of astatine is ?
- 8.2 Hrs
- 8.3 Hrscorrect
- 8.4 Hrs
- 8.1 Hrs
9. An element that has a high ionization energy and tends to be chemically inactive would most likely to be ?
- A halogen
- A transition element
- A noble gascorrect
- An alkali metal
10. Chlorine heptoxide (Cl 2 O 7) reacts with water to form ?
- Chloric acid
- Hypochlorous acid
- Chlorine and oxygen
- Perchloric acidcorrect
11. Which halogen has maximum Van-der Waal’s forces ?
A = F2
B = Cl2
C = Br2
D = I2
- Dcorrect
- C
- B
- A
12. Which is the strongest acid ?
A = HClO
B = HClO2
C = HClO3
D = HClO4
- A
- C
- Dcorrect
- B
13. Angle is OF2 is ?
- 180º
- 120º
- 102º
- 105ºcorrect
14. Noble gases are placed is group ?
- Group IV-A
- Group V-A
- Group VI-A
- Group VII-Acorrect
15. The only non-metal in liquid form is ?
- P
- S
- Brcorrect
- Cl
16. Which of the following represents the correct electronic configuration of the outermost energy level of an element of zero (VIIIA) group in the ground state ?
A = s2 p2
B = s2 p4
C = s2 p5
D = s2 p6
- B
- C
- A
- Dcorrect
17. Bleaching powder may be produced by passing chlorine over ?
- Calcium hydroxidecorrect
- Calcium carbonate
- Anhydrous calcium sulphate
- Hydrated calcium sulphate
18. Which compound of noble gas xenon can be prepared ?
- Oxyfluorides
- Oxides
- Fluoride
- All of thesecorrect
19. Which halogen has lustrous shining ?
A = F2
B = Cl2
C = Br2
D = I2
- B
- C
- A
- Dcorrect
20. Which is used in are welding and cutting ?
- Arcorrect
- Ne
- Kr
- He
21. Which halogen will react spontaneously with Au (8) to produce Au 3+ ?
A = Br2
B = F2
C = I2
D = Cl2
- Dcorrect
- B
- C
- A
22. The most reactive elements are ?
- Group IV-A
- Group VII-Acorrect
- Group VI-A
- Group V-A
23. Which of the following hydrogen halide is the weakest acid in solution ?
- Hl
- HCl
- HBr
- HFcorrect
24. Which halogen occurs naturally in a positive oxidation state ?
- Iodinecorrect
- Bromine
- Chlorine
- Fluorine
25. Smell of halogens is ?
- Sweet
- Fruity
- Irritating
- Rotten eggcorrect
Chemistry
- Basic Concepts
- Experimental Techniques
- Gases
- Liquids and Solids
- Atomic Structure
- Chemical Bonding
- Alcohols, Phenols And Ethers
- Solutions
- Chemical Equilibrium
- Electro Chemistry
- Periodic Classification Of Elements & Periodicity
- The Halogens and Noble Gases
- Group III A And IV A Elements
- S-Block Elements
- Fundamental Principles of Organic Chemistry