HARD
JEE Main/Advance
IMPORTANT
Earn 100

Ortho-hydrogen and para-hydrogen resembles in which of the following property:-

50% studentsanswered this correctly

Important Questions on Hydrogen

EASY
JEE Main/Advance
IMPORTANT
100 kg hard water contains 5 g MgSO4. Find hardness.
EASY
JEE Main/Advance
IMPORTANT
One litre hard water contains 1 mg CaCl2 and 1 mg MgSO4. Find hardness.
EASY
JEE Main/Advance
IMPORTANT
Calculate the hardness of water sample which contains 0.001 mol MgSO4 per litre of water.
MEDIUM
JEE Main/Advance
IMPORTANT
(A) Draw the gas phase and solid phase structure of H2O2.
(B) H2O2 is a better oxidising agent than water. Explain.
EASY
JEE Main/Advance
IMPORTANT
Why is the Ionisation enthalpy of hydrogen higher than that of sodium?
HARD
JEE Main/Advance
IMPORTANT
An acidic solution of hydrogen peroxide behaves as an oxidising as well as reducing agent. Illustrate it with the help of a chemical equation.
EASY
JEE Main/Advance
IMPORTANT
Hydrogen resembles halogens in many respects for which several factors are responsible. Of the following factors which one is most important in this respect?
MEDIUM
JEE Main/Advance
IMPORTANT
Why does H+ ion always get associated with other atoms or molecules?