1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Which of the following will give a pair of enantiomorphs?
(en = NH2CH2CH2NH2)
A
[Cr(NH3)6][Co(CN)6]
B
[Co(en)2Cl2]Cl
C
[Pt(NH3)4][PtCl6]
D
[Co(NH3)4Cl2]NO2
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The d electron configurations of Cr2+, Mn2+, Fe2+ and Ni2+ are 3d4, 3d5, 3d6 and 3d8 respectively. Which one of the following aqua complexes will exhibit the minimum paramagnetic behaviour?

(At. No. Cr = 24, Mn = 25, Fe = 26, Ni = 28)
A
[Fe(H2O)6]2+
B
[Ni(H2O)6]2+
C
[Cr(H2O)6]2+
D
[Mn(H2O)6]2+
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of current I, would be
A
[ML2T$$-$$2]
B
[ML2T$$-$$1I$$-$$1]
C
[ML2T$$-$$3I$$-$$2]
D
[ML2T$$-$$3I$$-$$1]
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A particle moving along x-axis has acceleration f, at time t, given by f = f0$$\left( {1 - {t \over T}} \right),$$ where f0 and T are constants.The particle at t = 0 has zero velocity. In the time interval between t = 0 and the instant when f = 0, the particle's velocity (vx) is
A
$${1 \over 2}$$ f0T2
B
f0T2
C
$${1 \over 2}$$ f0T
D
f0T
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