The Bond Energy of H-F is________?
The Bond Energy of H-F is________?A. 456kJ/mol
B. 562kJ/mol
C. 281kJ/mol
D. None
B. 562kJ/mol
C. 281kJ/mol
D. None
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Spectrum is produced due to________________?
Spectrum is produced due to________________?A. Different wavelength
B. Different colours
C. Different intensities
D. all have little contributionThe most reactive allotropic form of phosphorus is________________?
The most reactive allotropic form of phosphorus is________________?A. White
B. Redox potential
C. Black
D. VioletNoble gases are named so because they are__________________?
Noble gases are named so because they are__________________?A. less reactive
B. Zero group elements
C. Having completely filled valence shell
D. AllThe nucleus of an atom of every element will always contain____________________?
The nucleus of an atom of every element will always contain____________________?A. neutrons
B. protons and electrons
C. protons
D. protons and neutronsAlkanes are also known as________________?
Alkanes are also known as________________?A. saturated hydrocarbon
B. unsaturated hydrocarbon
C. paraffins
D. both A & CGreater shielding effect corresponds to ionization energy value___________________?
Greater shielding effect corresponds to ionization energy value___________________?A. Greater
B. Lesser
C. Remain same
D. No effect