1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following molecules contains no $$\pi $$ bond?
A
SO2
B
NO2
C
CO2
D
H2O
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following does not give oxygen on heating?
A
K2Cr2O7
B
(NH4)2Cr2O7
C
KClO3
D
Zn(ClO3)2
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following structure is similar to graphite?
A
B4C
B
B2H6
C
BN
D
B
4
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
In which of the following arrangements the given sequence is not strictly according to the property indicated against it?
A
HF < HCl < HBr < HI : increasing acidic strength
B
H2O < H2S < H2Se < H2Te : increasing pKa values
C
NH3 < PH3 < AsH3 < SbH3 : increasing acidic character
D
CO2 < SiO2 < SnO2 < PbO2 : increasing oxidising power
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