1
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44 u. The alkene is
A
propene
B
1–butene
C
2–butene
D
ethene
2
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The edge length of a face centered cubic cell of an ionic substance is 508 pm. If the radius of the cation is 110 pm, the radius of the anion is :
A
288 pm
B
398 pm
C
618 pm
D
144 pm
3
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Percentages of free space in cubic close packed structure and in body centred packed structure are respectively :
A
30% and 26%
B
26% and 32%
C
32% and 48%
D
48% and 26%
4
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water (∆Tf), when 0.01 mol of sodium sulphate is dissolved in 1 kg of water, is (Kf = 1.86 K kg mol–1)
A
0.0372 K
B
0.0558 K
C
0.0744 K
D
0.0186 K
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