1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which of the following statements in relation to the hydrogen atom is correct?
A
3s orbital is lower in energy than 3p orbital
B
3p orbital is lower in energy than 3d orbital
C
3s and 3p orbitals are of lower energy than 3d orbital
D
3s, 3p and 3d orbitals all have the same energy
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Due to the presence of an unpaired electron, free radicals are:
A
Chemically reactive
B
Chemically inactive
C
Anions
D
Cations
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Reaction of one molecule of HBr with one molecule of 1,3-butadiene at 40oC gives predominantly
A
3-bromobutene under kinetically controlled conditions
B
1-bromo-2-butene under thermodymically controlled conditions
C
3-bromobutene under thermodynamically controlled conditions
D
1-bromo-2-butene under kinetically controlled conditions
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Of the five isomeric hexanes, the isomer which can give two monochlorinated compounds is
A
n-hexane
B
2, 3-dimethylbutane
C
2,2-dimethylbutane
D
2-methylpentane
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12