General Introduction of Hydrogen

The major component of the solar atmosphere is

What is the third most abundant element on the surface of the earth?

Hydrogen is the third most abundant element in the globe. Then, why does hydrogen occupy unique position in the periodic table?

Give the abundance of hydrogen in the universe.

Tritium, a radioactive isotope of hydrogen, emits which of the following particles?

Consider the following statements.

(i) The most common isotope of hydrogen is protium.

(ii) Water-gas shift reaction is a multistep reaction.

(iii) ${\mathrm{D}}_2\mathrm{O}$ has a higher boiling point than ${\mathrm{H}}_2\mathrm{O}$.

Which of the above statements is/are true?

Radioactive elements emit $\mathrm{\alpha }, \mathrm{\beta }$ and x-rays are characterized by their half lives. The radioactive isotope of hydrogen is:

The most abundant element in the universe is:

Write the name of the isotope of hydrogen with one proton, one electron and one neutron.

Compounds of carbon and hydrogen are called as

Where can we found hydrogen in free state?

Which of the following orders is correct?
a. Order of percentage relative abundance is protium $>$ deuterium $>$ tritium.
b. Order of density is protium $<$ deuterium $<$ tritium.
c. Order of boiling point is protium $>$ deuterium $>$ tritium.
d. Order of atomic mass is protium $>$ deuterium $>$ tritium.

The most abundant element in the universe is:

Number of properties given below have higher value for protium than deuterium? Relative abundance, Atomic mass, Melting point, Boiling point, Density, Enthalpy of fusion, Bond dissociation energy, Bond length.

How many of the following statements is/are incorrect regarding ortho hydrogen and para hydrogen?

(i) number of neutron in ortho hydrogen is greater than that in para hydrogen

(ii) nuclear spins are parallel in para hydrogen while opposite in ortho hydrogen

(iii) classification of these two is done based upon electronic spin.

(iv) chemical properties are same for both.

(v) physical properties are different for them

(vi) para hydrogen is more stable compared to ortho hydrogen

(vii) conversion of $100\%$ ortho hydrogen is possible at high temperature

Radioactive isotope of hydrogen is :-

What are the natural sources of hydrogen gas?

Consider the following statements.

(i) The most common isotope of hydrogen is protium.

(ii) Water gas shift reaction is a multi step reaction.

(iii) ${\mathrm{D}}_2\mathrm{O}$ has higher boiling point than ${\mathrm{H}}_2\mathrm{O}$

Which of the above statements is/are true?

Radioactive elements emit $\alpha , \beta and$x-rays and are characterised by their half lives. The radioactive isotope of hydrogen is

Compare the electronic configurations of the three isotopes of hydrogen.