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
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12