1
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
The maximum number of possible oxidation states of actinoides are shown by
A
nobelium (No) and lawrencium (Lr)
B
actinium (Ac) and thorium (Th)
C
neptunium (Np) and plutonium (Pu)
D
berkelium (Bk) and californium (Cf)
2
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
The statement that is INCORRECT about the interstitial compounds is :
A
They are chemically reactive
B
They have metallic conductivity
C
They have high melting points
D
They are very hard
3
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
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$$_3^ - $$
4
JEE Main 2019 (Online) 11th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The hydride that is NOT electron deficient
A
B2H6
B
AlH3
C
GaH3
D
SiH4
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