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1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following substances has the highest proton affinity?
A
H2S
B
NH3
C
PH3
D
H2O
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
In XeF2, XeF4, XeF6 the number of lone pairs of Xe are respectively :
A
2, 3, 1
B
1, 2, 3
C
4, 1, 2
D
3, 2, 1
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Number of sigma bonds in P4O10 is :
A
6
B
7
C
17
D
16
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
In case of nitrogen, NCl3 is possible but not NCl5 while in case of phosphorous, PCl3 as well as PCl5 are possible. It is due to :
A
availability of vacant d orbitals in P but not in N
B
lower electronegativity of P than N
C
lower tendency of H - bond formation in P than N
D
occurrence of P in solid while N in gaseous state at room temperature
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