1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is not true?
A
pH + pOH = 14 for all aqueous solutions
B
The pH of 1 $$\times$$ 10-8 M HCl is 8
C
96,500 coulombs of electricity when passed through a CuSO4 solution deposits 1 gram equivalent of copper at the cathode
D
The conjugate base of $$H_2PO_4^-$$ is $$HPO_4^{2-}$$
2
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
3
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
4
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

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