1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
When KMnO4 acts as an oxidising agent and ultimately forms [MnO4]-2, MnO2, Mn2O3, Mn+2 then the number of electrons transferred in each case respectively is :
A
4, 3, 1, 5
B
1, 5, 3, 7
C
1, 3, 4, 5
D
3, 5, 7, 1
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
RNA is different from DNA because RNA contains
A
ribose sugar and thymine
B
ribose sugar and uracil
C
deoxyribose sugar and thymine
D
deoxyribose sugar and uracil
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Number of atoms in 558.5 gram Fe (at. wt. of Fe = 55.85 g mol-1) is
A
twice that in 60 g carbon
B
6.023 $$\times$$ 1022
C
half that in 8 g He
D
558.5 $$\times$$ 6.023 $$\times$$ 1023
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
In a compound C, H and N atoms are present in 9 : 1 : 3.5 by weight . Molecular weight of the compound is 108 g mol-1 . Molecular formula of compound is
A
C2H6N2
B
C3H4N
C
C6H8N2
D
C9H12N3

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