1
JEE Advanced 2014 Paper 1 Offline
MCQ (More than One Correct Answer)
+3
-0
The correct statement(s) for orthoboric acid is/are
A
it behaves as a weak acid in water due to self ionisation
B
acidity of its aqueous solution increases upon addition of ethylene glycol
C
it has a three dimensional structure due to hydrogen bonding
D
it is a weak electrolyte in water
2
JEE Advanced 2013 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

The correct statement(s) about O3 is(are)

A
O-O bond lengths are equal.
B
Thermal decomposition of O3 is endothermic.
C
O3 is diamagnetic in nature.
D
O3 has a bent structure.
3
IIT-JEE 2012 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

With respect to graphite and diamond, which of the statement(s) given below is(are) correct?

A
Graphite is harder than diamond.
B
Graphite has higher electrical conductivity than diamond.
C
Graphite has higher thermal conductivity than diamond.
D
Graphite has higher C-C bond order than diamond.
4
IIT-JEE 2012 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2

Which of the following hydrogen halides reacts with AgNO3(aq.) to give a precipitate that dissolves in Na2S2O3 (aq.) ?

A
HCl
B
HF
C
HBr
D
HI
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