1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of the substance will
A
be a function of the molecular mass of the substance
B
remain unchanged
C
increase two fold
D
decrease twice
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Of the following sets which one does NOT contain isoelectronic species?
A
$$BO_3^{3 - }$$, $$CO_3^{2 - }$$, $$NO_3^{- }$$
B
$$SO_3^{2 - }$$, $$CO_3^{2 - }$$, $$NO_3^{-}$$
C
$$CN^{- }$$, $$N_2$$, $$C_2^{2 - }$$
D
$$PO_4^{3 - }$$, $$SO_4^{2 - }$$, $$ClO_4^{ - }$$
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
In a multi-electron atom, which of the following orbitals described by the three quantum members will have the same energy in the absence of magnetic and electric fields?
(A) n = 1, l = 0, m = 0
(B) n = 2, l = 0, m = 0
(C) n = 2, l = 1, m = 1
(D) n = 3, l = 2, m = 1
(E) n = 3, l = 2, m = 0
A
(D) and (E)
B
(C) and (D)
C
(B) and (C)
D
(A) and (B)
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following oxides is amphoteric in character?
A
CaO
B
CO2
C
SiO2
D
SnO2
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