A scientist is studying the kinetic isotope effect in a reaction involving deuterium. They find that the rate constant for the reaction with heavy water () is significantly smaller than that with normal water (). This difference is primarily attributed to the:
Higher viscosity of compared to .
Difference in zero-point vibrational energies of the O-H and O-D bonds.
Greater dielectric constant of compared to .
Difference in the nuclear spins of deuterium and hydrogen.
Related Questions
Compared to ordinary water, heavy water has a ________ boiling point.
lower
higher
same
significantly lower
Heavy water is used as a moderator in nuclear reactors. What is the primary reason for this?
It slows down neutrons effectively without absorbing them.
It absorbs neutrons effectively, controlling the chain reaction.
It speeds up neutrons, increasing the rate of the reaction.
It acts as a coolant, preventing overheating of the reactor.
Which of the following is correct about heavy water?
Water at having maximum density is known as heavy water
It is heavier than water
It is formed by the combination of heavier isotope of hydrogen and oxygen
None of the above
Heavy water possesses:
Insoluble impurities like silica
Impurities like carbonates and bicarbonates of calcium and magnesium
High density and different physical properties than those of water
The capacity to expedite the rate of nuclear reactions
What is formed when calcium carbide react with heavy water?
Which isotope of hydrogen is present in heavy water?
Protium
Deuterium
Tritium
All of the above
Heavy water is __________ than ordinary water.
less dense
denser
equally dense
slightly less dense
The boiling point of heavy water is:
Some statements about heavy water are given below:
(i) Heavy water is used as a moderator in nuclear reactors
(ii) Heavy water is more associated than ordinary water
(iii) Heavy water is more effective solvent than ordinary water
Which of the above statements are correct?
(i) and (ii)
(i), (ii) and (iii)
(ii) and (iii)
(i) and (iii)
