Subtopic: Stereo Isomers |
65%
Level 2: 60%+
AIPMT - 2008
Hints
Equimolar solutions of the following were prepared in water separately. Which one of the solutions will record the highest pH?
1. SrCI2
2. BaCl2
3. MgCl2
4. CaCl2
Subtopic: pH calculation |
72%
Level 2: 60%+
AIPMT - 2008
Hints
Identify the correct increasing order of bond order among the following species:
1. O₂⁻ < NO < C₂²⁻ < He₂⁺2. NO < C₂²⁻ < O₂⁻ < He₂⁺
3. C₂²⁻ < He₂⁺ < NO < O₂⁻
4. He₂⁺ < O₂⁻ < NO < C₂²⁻
Subtopic: M.O.T |
85%
Level 1: 80%+
AIPMT - 2008
Hints
The percentage of free space in a body-centered cubic unit cell is:
1. 30%
2. 32%
3. 34%
4. 28%
1. 30%
2. 32%
3. 34%
4. 28%
Subtopic: Density & Packing Fraction |
87%
Level 1: 80%+
AIPMT - 2008
Hints
Links
An organic compound contains carbon, hydrogen, and oxygen. If elemental analysis reveals 38.71% carbon and 9.67% hydrogen, which of the following is its empirical formula?
| 1. | CH3O | 2. | CH2O |
| 3. | CHO | 4. | CH4O |
Subtopic: Empirical & Molecular Formula |
80%
Level 1: 80%+
AIPMT - 2008
Hints
The measurement of the electron position is associated with
uncertainty in momentum,
which is equal to 1 x 10-18 g cm s-1.
The uncertainty in electron velocity will be
(mass of an electron is 9 x 10-28 g)-
uncertainty in momentum,
which is equal to 1 x 10-18 g cm s-1.
The uncertainty in electron velocity will be
(mass of an electron is 9 x 10-28 g)-
1. 2 x 109 cm s-1
2. 1 x 109 cm s-1
3. 1 x 105 cms-1
4. 1 x 1011 cm s-1
Subtopic: Heisenberg Uncertainty Principle |
71%
Level 2: 60%+
AIPMT - 2008
Hints
What is the number of moles of PbCl₂ formed when 6.5 g of PbO reacts with 3.2 g of HCl?
1. 0.044
2. 0.333
3. 0.011
4. 0.029
Subtopic: Limiting Reagent |
60%
Level 2: 60%+
AIPMT - 2008
Hints
Links
Subtopic: Diazonium Salts: Preparation, Properties & Uses |
86%
Level 1: 80%+
AIPMT - 2008
Hints
Links
Subtopic: Aldehydes & Ketones: Preparation & Properties |
71%
Level 2: 60%+
AIPMT - 2008
Hints
The stability of carbanions in the following:
is in the order of:
1. (1) > (2) > (3) > (4)
2. (2) > (3) > (4) > (1)
3. (4) > (2) > (3) > (1)
4. (1) > (3) > (2) > (4)
Subtopic: Reaction Intermediates ; Preparation & Properties |
61%
Level 2: 60%+
AIPMT - 2008
Hints
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