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1
JEE Main 2022 (Online) 26th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following elements is considered as a metalloid?

A
Sc
B
Pb
C
Bi
D
Te
2
JEE Main 2022 (Online) 26th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The oxide which contains an odd electron at the nitrogen atom is :

A
N2O
B
NO2
C
N2O3
D
N2O5
3
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Choose the correct stability order of group 13 elements in their + 1 oxidation state :

A
Al < Ga < In < Tl
B
Tl < In < Ga < Al
C
Al < Ga < Tl < In
D
Al < Tl < Ga < In
4
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
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