1
JEE Advanced 2015 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

The correct statements regarding (i) HClO, (ii) HClO2, (iii) HClO3 and (iv) HClO4 is (are)

A
The number of Cl=O bonds (ii) and (iii) together is two.
B
The number of lone pairs of electrons on Cl in (ii) and (iii) together is three.
C
The hybridization of Cl in (iv) is sp3
D
Amongst (i) to (iv), the strongest acid is (i).
2
JEE Advanced 2014 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
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
3
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.
4
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.
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