1
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Match List I (substances) with List II (processes) employed in the manufacture of the substances and select the correct option.
Column $${\rm I}$$
(Substances)
Column $${\rm I}$$$${\rm I}$$
(Processes)
(A) Sulphuric acid (i) Haber's process
(B) Steel (ii) Bessemer's process
(C) Sodium hydroxide (iii) Leblanc process
(D) Ammonia (iv) Contact process
A
(A) $$ \to $$ (i);  (B) $$ \to $$ (iv);  (C) $$ \to $$ (ii);  (D) $$ \to $$ (iii)
B
(A) $$ \to $$ (i);  (B) $$ \to $$ (ii);  (C) $$ \to $$ (iii);  (D) $$ \to $$ (iv)
C
(A) $$ \to $$ (iv);  (B) $$ \to $$ (iii);  (C) $$ \to $$ (ii);  (D) $$ \to $$ (i)
D
(A) $$ \to $$ (iv);  (B) $$ \to $$ (ii);  (C) $$ \to $$ (iii);  (D) $$ \to $$ (i)
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
How many bridging oxygen atoms are present in P4O10?
A
6
B
4
C
2
D
5
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following expressions correctly represents the equivalent conductance at infinite diluation of Al2(SO4)3. Given that $$\mathop \Lambda \limits^ \circ $$Al3+ and $$\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$ are the equivalent conductances at infinite dilution of the respective ions?
A
$$2\mathop \Lambda \limits^ \circ $$Al3+   +   $$3\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$
B
$$\mathop \Lambda \limits^ \circ $$Al3+   +   $$\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$
C
($$\mathop \Lambda \limits^ \circ $$Al3+   +   $$\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$) $$ \times $$ 6
D
$${1 \over 3}$$$$\mathop \Lambda \limits^ \circ $$Al3+   +   $${1 \over 2}$$$$\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$
4
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Consider the following relations for emf of an electrochemical cell
(i)   EMF of cell = (Oxidation potential of anode) $$-$$ (Reduction potential of cathode)
(ii)  EMF of cell = (Oxidation potential of anode) + (Reduction potential of cathode)
(iii) EMF of cell = (Reductional potential of anode) + (Reduction potential of cathode)
(iv) EMF of cell = (Oxidation potential of anode) $$-$$ (Oxidation potential of cathode)

Which of the above relations are correct?
A
(iii) and (i)
B
(i) and (ii)
C
(iii) and (iv)
D
(ii) and (iv)