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1
JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Heating white phosphorus with conc. NaOH solution gives mainly :

A
Na3P and H2O
B
H3PO and NaH
C
P(OH)3 and NaH2PO4
D
PH3 and NaH2PO2
2
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
3
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
4
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
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