Number of neutrons in Tritium are:
  • 3
  • 2
  • 4
  • 1
Out of NH3,H2O and HF, which has the highest magnitude of Hydrogen bonding:
  • NH3
  • H2O
  • HF
  • All will have the same magnitude
Hydrides are classified as:
  • Non-ionic,non-covalent and non-metallic
  • Non-covalent,non-molecular and stoichiometric
  • Ionic,covalent and metallic
  • Non-molecular,non-metallic and stoichiometric
Since the isotopes have the same electronic configuration, they have the same
  • Chemical properties
  • Physical properties
  • Termination
  • Free radical chain mechanism
The physical properties of isotopes differ due to:
  • Similar chemical properties
  • Large physical differences
  • Large mass differences
  • Large rate of reaction
Reaction of granulated zinc with dil HCl results in formation of:
  • Dihydrogen
  • Tritium
  • Protium
  • HD
Electron-rich hydrides has excess electrons that are present as
  • Dot structure
  • Free radical
  • Chain pair
  • Lone pairs
Hydrogen has tendency to gain one electron to acquire helium configuration, in this respect it resembles:
  • Halogens
  • Alkali metals
  • Carbon
  • Alkaline earth metals
NaH when added to water produces a large amount of energy. The hydride will be:
  • Interstitial hydride
  • Covalent hydride
  • Ionic hydride
  • All of the above
Interstitial hydrides are formed by:
  • d and f block elements
  • s and p block elements
  • s and d block elements
  • p and f block elements
Hydrogen differs from alkali metals as it:
  • Has one electron in its valency shell
  • Halides of hydrogen ionizes in aqueous solution
  • Can form compounds with non-metals
  • Does not possess metallic character
Terrestrial hydrogen contains deuterium mostly in the form of:
  • SD
  • MD
  • NR
  • HD
D2O is known as:
  • Heavy oxygen
  • Heavy hydrogen
  • Heavy water
  • Hard water
Like alkali metals hydrogen also forms:
  • Optical isomers
  • Homolytic cleavage
  • Oxides,halides and sulphides
  • Metallic bonding
Element that is found abundantly in the universe and is the principal element of solar atmosphere is:
  • Helium
  • Sodium
  • Dihydrogen, H2
  • Aluminium
Tritium is an isotope of the element:
  • Chlorine
  • Helium
  • Sodium
  • Hydrogen
Of all the isotopes of hydrogen which one is highly radioactive:
  • HD
  • Tritium
  • Protium
  • Deuterium
The sum of number of neutrons and protons in tritium is:
  • 5
  • 4
  • 3
  • 6
With dinitrogen,dihydrogen forms:
  • Silicon
  • Diamond
  • Ethanal
  • Ammonia
Dihydrogen under certain reaction conditions combines with all elements except:
  • Metals
  • Halogens
  • Noble gases
  • Non-metals
0 h : 0 m : 1 s

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