Options:
- A. 24
- B. 32
- C. 36
- D. 40
View Answer
D. 40
Chemistry
Distance at which attractive forces of hydrogen overcome repulsive forces is __________ ?
Options:
- A. 75.2pm
- B. 75.3pm
- C. 75.5pm
- D. 75.4pm
View Answer
D. 75.4pm
When phenol is heated with concentrated nitric acid the product is________________?
Options:
- A. Picric acid
- B. o-nitrophenol
- C. 1 3 5 -trinitro benzene
- D. p-nitrophenol
View Answer
A. Picric acid
A theoretical link between quantum mechanics and thermodynamics is_________?
Options:
- A. Electrchemistry
- B. Matrix mechanics
- C. Statistical thermodynamics
- D. Soectroscopic analysis
View Answer
C. Statistical thermodynamics
Which of the following effects best explains that o-nitrophenol is insoluble in water?
Options:
- A. Inductive effect
- B. Resonance effect
- C. Intermolecular H-bonding
- D. Isomeric effect
View Answer
C. Intermolecular H-bonding
The PH of Tears is __________?
Options:
- A. 7.0
- B. 7.4
- C. 7.8
- D. 8.2
View Answer
B. 7.4
Grignard reagent gives carboxylic acid with____________?
Options:
- A. CO2
- B. CH3CHO
- C. COC2
- D. HCN
View Answer
A. CO2
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?
Options:
- A. 2.05 gram
- B.
- C.
- D.
View Answer
B.
The formula C6H5-CO-CH3 represents_______ ?
Options:
- A. Acetone
- B.
- C.
- D.
View Answer
C.
Which Oxide of Manganese is amphoteric?
Options:
- A. MnO2
- B. Mn2O3
- C. Mn2O7
- D. MnO
View Answer
A. MnO2