If R is the Rydberg constant for hydrogen, then wave-number of the second line in the Lyman series is _________?

Related Mcqs:

1. Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

   A. Hydrogen Gas
   B. Carbon Monoxide Gas
   C. Both at same time
   D. None of them

   Submitted by: Aamir khan Hullio

2. Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

   A. Hydrogen Gas
   B. Carbon Monoxide Gas
   C. Both at same time
   D. None of them

   Submitted by: Aamir khan Hullio

3. Pfund series are produced in the spectrum of hydrogen atom__________________?

   A. when electrons jump down to 2nd- orbit
   B. when electrons jump down to 3rd- orbit
   C. when electrons jump down to 4th- orbit
   D. when electrons jump down to 5th- orbit

4. For a given process the heat changes at constant pressure (qp) and at constant volume (qv) are related to each other as___________________?

   A. qp = qv
   B. qp < qv
   C. qp > qv
   D. qp = qv / 2

5. The radioactive isotope of hydrogen is called___________?

   A. tritium
   B. deuterium
   C. protium
   D. ortho-hydrogen

   Submitted by: Ayesha zameer

6. Which of the following methods is used to estimate hydrogen in an organic compound ?

   A. Combustion method
   B. Dumas method
   C. Kjeldahls method
   D. All of the above methods are for different purposes

7. Ethyl chloride with nascent hydrogen produces_________________?

   A. methane
   B. ethane
   C. propane
   D. butane

8. Which of the following method is used to separate Hydrogen gas from water Gas?

   A. Bosch Process
   B. Cyber Twinkling process
   C. Palladium process
   D. Steam process

   Submitted by: Aamir khan Hullio

9. The bond energy of Hydrogen molecule is__________?

   A. 110Kcal/mol
   B. 106Kcal/mol
   C. 104Kcal/mol
   D. 150KJcal/mol

   Submitted by: Aamir khan Hullio

10. Hydrogen bonding is present in __________?

    A. Water
    B. Ethyl Alcohol
    C. Phenol
    D. All of these

    Submitted by: Zahid Jagirani