Options:
- A. Moving e- accelerate towards the nucleus
- B. Continuous spectrum
- C. behavior of electron remain unexplained
- D. all
View Answer
D. all
Chemistry
Spectrum is produced due to________________?
Options:
- A. Different wavelength
- B. Different colours
- C. Different intensities
- D. all have little contribution
View Answer
A. Different wavelength
The maximum number of orbitals present in a subshell that is represented by Azimuthal quantum number = 3 will be________________?
Options:
- A. 1
- B. 3
- C. 5
- D. 7
View Answer
D. 7
Only London dispersion forces are present among the_________________?
Options:
- A. Molecules of water in liquid state
- B. Atoms of helium in gaseous state at high temperature
- C. Molecules of hydrogen chloride gas
- D. Molecules of solid iodine
View Answer
D. Molecules of solid iodine
When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?
Options:
- A. Carboxylic acid
- B. Ethanoic acid
- C. Propanoic acid
- D. Butanoic acid
View Answer
C. Propanoic acid
Stronger is the oxidizing agent greater is the___________________?
Options:
- A. Oxidation potential
- B. Redox potential
- C. e.m.f of cell
- D. standard reduction potential
View Answer
D. standard reduction potential
Main source of organic compounds is__________________?
Options:
- A. Animal
- B. Fossil
- C. Coal
- D. Plants
View Answer
A. Animal
Which of the following is an amide________________?
Options:
- A. R-NH2
- B. RCONH2
- C. R
- D. C6H5NH2
View Answer
B. RCONH2
At low temperature and pressure cracking can be done in presence of catalyst________________?
Options:
- A. Al2O3
- B. Fe2O3
- C. Al2O3 and SiO2
- D. Fe2O3 and SiO2
View Answer
C. Al2O3 and SiO2
Which one of the following is a state function ________________?
Options:
- A. pressure
- B. temperature
- C. enthalpy
- D. all of the above
View Answer
D. all of the above