1
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The actinoids exhibits more number of oxidation states in general than the lanthanoids. This is because :
A
the 5f orbitals are more buried than the 4f orbitals
B
there is a similarity between 4f and 5f orbitals in their angular part of the wave function
C
the actinoids are more reactive than the lanthanoids
D
the 5f orbitals extend further from the nucleus than the 4f orbitals
2
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
Which one of the following has a square planar geometry?
A
[CoCl4]2-
B
[FeCl4]2-
C
[NiCl4]2-
D
[PtCl4]2-
3
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
Which of the following is the correct order of decreasing SN2 reactivity?
A
RCH2X > R3CX > R2CHX
B
RCH2X > R2CHX > R3CX
C
R3CX > R2CHX > RCH2X
D
R2CHX > R3CX > RCH2X
4
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
In the following sequence of reactions,
CH3CH2OH $$\buildrel {P + {I_2}} \over \longrightarrow $$ A $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ether}^{Mg}} $$ B $$\buildrel {HCHO} \over \longrightarrow $$ C $$\buildrel {{H_2}O} \over \longrightarrow $$ D
the compound ‘D’ is
A
butanal
B
n-butyl alcohol
C
n-propyl alcohol
D
propanal
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