1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A solution contains non volatile solute of molecular mass M2. Which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure?
A
$${M_2} = \left( {{{{m_2}} \over \pi }} \right)VRT$$
B
$${M_2} = \left( {{{{m_2}} \over V}} \right){{RT} \over \pi }$$
C
$${M_2} = \left( {{{{m_2}} \over V}} \right)\pi RT$$
D
$${M_2} = \left( {{{{m_2}} \over V}} \right){\pi \over {RT}}$$
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
2.5 litre of 1 M NaOH solution is mixed with another 3 litre of 0.5 M NaOH solution. Then find out molarity of resultant solution.
A
0.80 M
B
1.0 M
C
0.73 M
D
0.50 M
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In electrolysis of NaCl when Pt electrode is taken then H2 is liberated at cathode while with Hg cathode it forms sodium amalgam
A
Hg is more inert than Pt
B
More voltage is required to reduce H+ at Hg than at Pt
C
Na is dissolved in Hg while it does not dissolve in Pt
D
Conc. of H+ ions is larger when Pt electrode is taken.
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following statement is true?
A
Silicon exhibits 4 coordination number in its compound.
B
Bond energy of F2 is less than Cl2.
C
Mn(III) oxidation state is more stable than Mn(II) in aqueous state.
D
Elements of 15th group shows only + 3 and +5 oxidation states.
EXAM MAP