1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Consider the following processes :

H (kJ/mol)
1/2A $$ \to $$ B +150
3B  $$ \to $$ 2C + D -125
E + A  $$ \to $$ 2D +350

For B + D $$ \to $$ E + 2C, $$\Delta $$H will be
A
525 kJ/mol
B
$$-$$175 kJ/mol
C
$$-$$ 325 kJ/mol
D
325 kJ/mol
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following structures is the most preferred and hence of lowest energy for SO3?
A
AIPMT 2011 Mains Chemistry - Chemical Bonding and Molecular Structure Question 45 English Option 1
B
AIPMT 2011 Mains Chemistry - Chemical Bonding and Molecular Structure Question 45 English Option 2
C
AIPMT 2011 Mains Chemistry - Chemical Bonding and Molecular Structure Question 45 English Option 3
D
AIPMT 2011 Mains Chemistry - Chemical Bonding and Molecular Structure Question 45 English Option 4
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
What is the value of electron gain enthalpy of Na+ if IE1 of Na = 5.1 eV?
A
$$-$$ 5.1 eV
B
$$-$$ 10.2 eV
C
+2.55 eV
D
+10.2 eV
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
A thermocouple of negligible resistance produces an e.m.f. of 40 µV/ºC in the linear range of temperature. A galvanometer of resistance 10 ohm whose sensitivity is 1 µA/division, is employed with the thermocouple. The smallest value of temperature difference that can be detected by the system will be
A
1ºC
B
0.5 ºC
C
0.1ºC
D
0.25ºC
EXAM MAP