1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
In which of the following molecules are all the bonds are not equal?
A
NF3
B
ClF3
C
BF3
D
AlF3
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which of the following is the most basic oxide?
A
SeO2
B
Al2O3
C
Sb2O3
D
Bi2O3
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The correct order regarding the electronegativity of hybrid orbitals of carbon is
A
sp < sp2 < sp3
B
sp > sp2 < sp3
C
sp > sp2 > sp3
D
sp < sp2 > sp3
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
What is the correct relationship between the pH of isomolar solutions of sodium oxide, Na2O (pH1), sodium sulphide, Na2S (pH2), sodium srlenide, Na2Se (pH3) and sodium telluride Na2Te (pH4)?
A
pH1 > pH2 > pH3 > pH4
B
pH1 > pH2 $$ \approx $$ pH3 > pH4
C
pH1 < pH2 < pH3 < pH4
D
pH1 < pH2 < pH3 $$ \approx $$ pH4

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