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1
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
2
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
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
When H2S is passed through Hg2S we get :
A
HgS
B
HgS + Hg2S
C
Hg2S
D
Hg2S2
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Oxidation number of Cl in CaOCl2 (bleaching powder) is :
A
zero, since it contains Cl2
B
-1, since it contains Cl-
C
+1, since it contains ClO-
D
+1 and -1 since it contains ClO- and Cl-
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