Options:
- A. propene
- B. butanoic acid
- C. butanal
- D. ethoxy ethane
View Answer
D. ethoxy ethane
Chemistry
Which one of the following compounds shows intense knocking ?
Options:
- A. n-pentane
- B. iso-heptane
- C. iso-octane
- D. n-heptane
View Answer
D. n-heptane
Enthalpy of a reaction can be measured by ____________________?
Options:
- A. glass calorimeter
- B. manometer
- C. Barometer
- D. thermometer
View Answer
A. glass calorimeter
Hydrogen bonding is involved in____________________?
Options:
- A. Solubility
- B. Cleansing action of detergents
- C. Biological molecules
- D. All
View Answer
D. All
Isomorphic substances have _______________?
Options:
- A. Same physical and chemical properties
- B. Same physical and different chemical properties
- C. Different physical and same chemical properties
- D. Different physical and chemical properties
View Answer
D. Different physical and chemical properties
Molar heat of vaporization of water is_________________?
Options:
- A. 40.7 KJ/mole
- B. 40.7 J/mole
- C. 40.7 cal/mole
- D. 40.7 Kcal/mole
View Answer
A. 40.7 KJ/mole
Which one of the following explain the shape of orbitals _________________?
Options:
- A. Principal of quantum number
- B. Azimuthal quantum number
- C. Magnetic quantum number
- D. Spin quantum number
View Answer
B. Azimuthal quantum number
Splitting of spectral lines when atoms are subjected to strong electric filed is called_________________?
Options:
- A. Zeeman effect
- B. Stark effect
- C. Photoelectric effect
- D. Compton effect
View Answer
B. Stark effect
Sommerfelds modification in Bohrs model is_______________?
Options:
- A. Orbit is cylindrical
- B. Orbit is elliptical
- C. Orbit is longitudinal
- D. Orbit is asymmetrical
View Answer
B. Orbit is elliptical
Which specie has unpaired electrons in antibonding molecular orbitals_______________?
Options:
- A. O2+2
- B. N2-2
- C. B2
- D. O2-2
View Answer
B. N2-2