The isotopes of hydrogen and their mass ratio are -
1. Protium, Deuterium, Tritium ; 3:2:3
2. Protium, Deuterium, Tritium ; 1:2:3
3. Protium, Deuterium, Tritium ; 2:2:3
4. Protium, Deuterium, Tritium ; 3:2:1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHydrogen is placed separately in the periodic table because :
1. It resembles alkali metals.
2. It shows the same reactions as halogens.
3. Both (1) and (2)
4. None of the above.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe colour of hydrogen is –
1. Blue
2. Yellow
3. Orange
4. No colour
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHydrogen exists in diatomic form rather than monoatomic form under normal conditions -
1. Due to high ionization enthalpy
2. Due to low ionization enthalpy
3. Due to high electron gain enthalpy
4. Due to low electron gain enthalpy
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe catalyst used to increase the production of H2 , by ‘coal gasification' process is -
1. Copper
2. FeCr2O4 (iron chromate)
3. Pd/C
4. None of the above.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe incorrect statement among the following regarding hydrogen is -
1. Hydrogen never acts as a cation in Ionic salts
2. Hydronium ion, H3O+, exists freely in a solution
3. Dihydrogen does not act as a reducing agent
4. Hydrogen has three isotopes of which Protium is the most common
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn isotope that is used as a tracer in a chemical reaction is-
1.
2.
3.
4. Ortho hydrogen
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPara hydrogen is-
1. Less stable than ortho hydrogen.
2. More stable than ortho hydrogen.
3. As stable as ortho hydrogen.
4. None of the above.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA compound among the following that has hydrogen in the atomic state is –
1. Metallic hydrides
2. Ionic hydrides
3. Molecular hydrides
4. Water
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology