1
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Chlorine on reaction with hot and concentrated sodium hydroxide give :
A
C$$\ell $$O$$_3^ - $$ and C$$\ell $$O$$_2^ - $$
B
C$$\ell $$$$-$$ and C$$\ell $$O$$-$$
C
C$$\ell $$$$-$$ and C$$\ell $$O$$_2^ - $$
D
C$$\ell $$$$-$$ and C$$\ell $$O$$_3^ - $$
2
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The magnetic moment of an octahedral homoleptic Mn(II) complex is 5.9 BM. The suitable ligand for this complex is -
A
CN$$-$$
B
ethylenediamine
C
NCS
D
CO
3
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of atomic radii is :
A
Ho > N > Eu > Ce
B
Ce > Eu > Ho > N
C
N > Ce > Eu > Ho
D
Eu > Ce > Ho > N
4
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Among the following the false statement is -
A
Lyophilic sol can be coagulated by adding an electrote
B
Tyndall effect can be used to distinguish between a colloidal solution and a true solution
C
It is possible to cause artificial rain by throwing electrified sand carrying charge opposite to the one on clouds from an aeroplane
D
Latex is a colloidal solution of rubber particles which are positively charged
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