1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The existance of two different coloured complexes with the composition of [Co(NH3)4Cl2]+ is due to
A
linkage isomerism
B
geometrical isomerism
C
coordination isomerism
D
ionization isomerism.
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
What is [H+] in mol/L of a solution that is 0.20 M in CH3COONa and 0.10 M in CH3COOH? Ka for CH3COOH = 1.8 $$ \times $$ 10$$-$$5
A
3.5 $$ \times $$ 10$$-$$4
B
1.1 $$ \times $$ 10$$-$$5
C
1.8 $$ \times $$ 10$$-$$5
D
9.0 $$ \times $$ 10$$-$$6
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The number of atoms in 0.1 mol of a triatomic gas is (NA = 6.02 $$ \times $$ 1023 mol$$-$$1)
A
6.026 $$ \times $$ 1022
B
1.806 $$ \times $$ 1023
C
3.600 $$ \times $$ 1023
D
1.800 $$ \times $$ 1022
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
25.3 g of sodium carbonate, Na2CO3 is dissolved in enough water to make 250 mL of solution. If sodium carbonate dissociates completely, molar concentration of sodium ion, Na+ and carbonate ions, CO$${}_3^{2 - }$$ are respectively (Molar mass of Na2CO3 = 106 g mol$$-$$1)
A
0.955 M and 1.910 M
B
1.910 M and 0.955 M
C
1.90 M and 1.910 M
D
0.477 M and 0.477 M
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