1
JEE Advanced 2016 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
The crystalline form of borax has.
A
tetranuclear [B4O5(OH)4]2- unit
B
all boron atoms in the same plane
C
equal number of sp2 and sp3 hybridised boron atoms
D
one terminal hydroxide per boron atom
2
JEE Advanced 2016 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language

The increasing order of atomic radii of the following group 13 elements is

A
Al < Ga < In < Tl
B
Ga < Al < In < Tl
C
Al < In < Ga < Tl
D
Al < Ga < Tl < In
3
JEE Advanced 2016 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language

On complete hydrogenation, natural rubber produces

A
ethylene-propylene copolymer.
B
vulcanized rubber.
C
polypropylene.
D
polybutylene.
4
JEE Advanced 2016 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language

Among [Ni(CO)4], [NiCl4]2$$-$$, [Co(NH3)4)Cl2]Cl, Na3[CoF6], Na2O2 and CsO2, the total number of paramagnetic compound is

A
2
B
3
C
4
D
5
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