Match the entries of column I with appropriate entries of coloumn II and choose the correct option out of the four options (a), (b), (c) and (d) given at the end of each question.
`{:(,"Column I",,"Column II"),((A),"Helium",(p),"Ionization energy comparable to"O_(2)),((B),"Argon",(q),"Provides inert atmosphere in metallurgy"),((C),"Neon",(r),"Cryogenic"),((D),"Xenon",(s),"Advertising sign"):}`

Options

A. A-q, B-s, C-p, D-r
B. A-q, B-p, C-s, D-r
C. A-r, B-q, C-s, D-p
D. A-r, B-s, C-q, D-p

Answer

To solve the problem of matching the entries in Column I with those in Column II, we will analyze each entry in Column I and find the most suitable match from Column II based on the properties and uses of the noble gases.

### Step-by-Step Solution:

1. **Identify the entries in Column I:**
- A: Helium
- B: Argon
- C: Neon
- D: Xenon

2. **Identify the entries in Column II:**
- p: Ionization energy comparable to O₂
- q: Provides inert atmosphere in metallurgy
- r: Cryogenic
- s: Advertising sign

3. **Match Helium (A):**
- Helium is known for its use in cryogenics, particularly in cooling superconducting magnets. Therefore, it matches with **r: Cryogenic**.
- **Match: A → r**

4. **Match Argon (B):**
- Argon is commonly used to provide an inert atmosphere in processes like welding and metallurgy to prevent oxidation. Thus, it matches with **q: Provides inert atmosphere in metallurgy**.
- **Match: B → q**

5. **Match Neon (C):**
- Neon is widely used in advertising signs due to its ability to emit light when an electric current passes through it. Hence, it matches with **s: Advertising sign**.
- **Match: C → s**

6. **Match Xenon (D):**
- Xenon has an ionization energy that is comparable to that of oxygen, which is significant in various chemical reactions. Therefore, it matches with **p: Ionization energy comparable to O₂**.
- **Match: D → p**

7. **Final Matches:**
- A → r (Helium → Cryogenic)
- B → q (Argon → Provides inert atmosphere in metallurgy)
- C → s (Neon → Advertising sign)
- D → p (Xenon → Ionization energy comparable to O₂)

### Conclusion:
The correct matches are:
- A with r
- B with q
- C with s
- D with p

Thus, the correct option based on the matches is **(c)**.