1
JEE Main 2022 (Online) 27th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The gas produced by treating an aqueous solution of ammonium chloride with sodium nitrite is :
2
JEE Main 2022 (Online) 27th June Evening Shift
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 : Fluorine forms one oxoacid.
Reason R : Fluorine has smallest size amongst all halogens and is highly electronegative.
In the light of the above statements, choose the most appropriate answer from the options given below :
3
JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Match List - I with List - II.
| List - I (Si-Compounds) |
List - II (Si-Polymeric/Other Products |
||
|---|---|---|---|
| (A) | $${(C{H_3})_4}Si$$ | (I) | Chain Silicone |
| (B) | $$(C{H_3})Si{(OH)_3}$$ | (II) | Dimeric Silicone |
| (C) | $${(C{H_3})_2}Si{(OH)_2}$$ | (III) | Silane |
| (D) | $${(C{H_3})_3}Si(OH)$$ | (IV) | 2D - Silicone |
Choose the correct answer from the options given below :
4
JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Heating white phosphorus with conc. NaOH solution gives mainly :
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