1
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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The correct order of melting point is :

A
Be > Mg > Ca > Sr
B
Sr > Ca > Mg > Be
C
Be > Ca > Mg > Sr
D
Be > Ca > Sr > Mg
2
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The correct order of melting points of hydrides of group 16 elements is :

A
H2S < H2Se < H2Te < H2O
B
H2O < H2S < H2Se < H2Te
C
H2S < H2Te < H2Se < H2O
D
H2Se < H2S < H2Te < H2O
3
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Consider the following reaction :

A + alkali $$\to$$ B (Major Product)

If B is an oxoacid of phosphorus with no P-H bond, then A is :

A
White P4
B
Red P4
C
P2O3
D
H3PO3
4
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Polar stratospheric clouds facilitate the formation of :

A
ClONO2
B
HOCl
C
ClO
D
CH4
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