1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)
A
cis-[Pt(NH3)2Cl2]
B
trans-[Pt(NH3)2Cl2]
C
cis-[Co(en)2Cl2]+
D
trans-[Co(en)2Cl2]+
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism?
A
Ethyl chloride
B
Isopropyl chloride
C
Chlorobenzene
D
Benzyl chloride
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species ?
A
S < O < Cl < F
B
Cl < F < S < O
C
F < Cl < O < S
D
O < S < F < Cl
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The correct order in which the O $$-$$ O bond length increases in the following is
A
O2 < H2O2 < O3
B
O3 < H2O2 < O2
C
H2O2 < O2 < O3
D
O2 < O3 < H2O2
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