1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Helium is used to dilute oxygen in diving apparatus.
Reason R : Helium has high solubility in O$$_2$$.
In the light of the above statements, choose the correct answer from the options given below:
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Match List I with List II:
| List I |
List II |
||
|---|---|---|---|
| (A) | Coke | (I) | Carbon atoms are sp$$^3$$ hybridised |
| (B) | Diamond | (II) | Used as a dry lubricant |
| (C) | Fullerene | (III) | Used as a reducing agent |
| (D) | Graphite | (IV) | Cage like molecules |
Choose the correct answer from the options given below:
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
The element expected to form largest ion to achieve the nearest noble gas configuration is
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Match List I with List II:
| List I (Oxoacids of Sulphur) |
List II (Bonds) |
||
|---|---|---|---|
| (A) | Peroxodisulphuric acid | (I) | Two S-OH, Four S=O, One S-O-S |
| (B) | Sulphuric acid | (II) | Two S-OH, One S=O |
| (C) | Pyrosulphuric acid | (III) | Two S-OH, Four S=O, One S-O-O-S |
| (D) | Sulphurous acid | (IV) | Two S-OH, Two S=O |
Choose the correct answer from the options given below:
Questions Asked from p-Block Elements (MCQ (Single Correct Answer))
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