1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
When rain is accompanied by a thunderstorm, the collected rain water will have a pH value :
A
slightly higher than that when the thunderstorm is not there
B
uninfluenced by occurence of thunderstorm
C
which depends on the amount of dust in air
D
slightly lower than that of rain water without thunderstorm
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The IUPAC name of CH3COCH(CH3)2 is
A
2-methyl-3-butaone
B
4-methylisopropyl 1 ketone
C
3-methyl-2-butaone
D
Isopropylmethyl ketone
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
In the anion HCOO$$-$$ the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?
A
The C = O bond is weaker than the C-O bond
B
The anion HCOO- has two resonating structures
C
The anion is obtained by removal of a proton from the acid molecule
D
Electronic orbitals of carbon atom are hybridised
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The general formula CnH2nO2 could be for open chain
A
carboxylic acids
B
diols
C
dialdehydes
D
deketones
JEE Main Papers
2023
2021
EXAM MAP