1
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at −6oC will be : [Kf for water = 1.86 K kg mol−1 , and molar mass of ethylene glycol = 62 g mol−1 )
A
204.30 g
B
400.00 g
C
304.60 g
D
804.32 g
2
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Trichloroacetaldehyde was subjected to Cannizzaro’s reaction by using NaOH. The mixture of the products contains sodium trichloroacetate and another compound. The other compound is :
A
Trichloromethanol
B
2, 2, 2-Trichloropropanol
C
Chloroform
D
2, 2, 2-Trichloroethanol
3
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
The outer electron configuration of $$Gd$$ (Atomic No. $$64$$) is :
A
$$4{f^3}\,5{d^5}\,6{s^2}$$
B
$$4{f^8}\,5{d^0}\,6{s^2}$$
C
$$4{f^4}\,5{d^4}\,6{s^2}$$
D
$$4{f^7}\,5{d^1}\,6{s^2}$$
4
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Outer electronic configuration of Gd (Atomic no : 64) is -
A
4f85d06s2
B
4f45d46s2
C
4f75d16s2
D
4f35d56s2
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