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Define radioactive transmutation?

Important Questions on Nuclear Chemistry

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

In nuclear transmutation

_{8} O^{16} {(A, B)}_{7} N^{13}

A

and

B

are respectively

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

If the energy released in the fission of one nucleus is

3.2 \times 10^{- 11} J

, then number of nuclei required per second in a

16 kW

power plant is

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

In the radioactive disintegration series

_{90}^{232} T h \to_{82}^{208} P b,

involving

α

and

β

decay, the total number of

α

and

β

particles emitted are

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

In the nuclear reaction

{}_{13}{Al}^{27} + {}_{2}{He}^{4} ⟶ {}_{14}X^{30} + {}_{1}H^{1}, X

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

Define nuclear fission.

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

When a uranium isotope

{}_{92}^{235}U

is bombarded with a neutron, it generates

{}_{36}^{89}{Kr}

, three neutrons and:

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The equation

4_{1}^{1} H^{+} \to {}_{2}^{4}{He}^{2 +} + 2 e^{- 1} + 26 MeV

represents.

HARD

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

A fission reaction is given by

{}_{92}^{236}U \to {}_{54}^{140}{X e} + {}_{38}^{94}{S r} + x + y

, where

x

and

y

are two particles. Considering

{}_{92}^{236}U

to be at rest, the kinetic energies of the products are denoted by

K_{X e}, K_{S r}, K_{x} (2 M e V)

and

K_{y} (2 M e V)

, respectively. Let the binding energies per nucleon of

{}_{92}^{236}U, {}_{54}^{140}{X e}

and

{}_{38}^{94}{S r}

7.5 MeV

8.5 MeV

, and

8.5 MeV

respectively. Considering different conservation laws, the correct option(s) is (are)

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

Rewrite and complete the following nuclear reaction by filling in the atomic number of Ba and mass number of Kr:

${}_{92}^{235}U + {}_{0}^{1}n \to {}_{___}^{144}{Ba} + {}_{36}^{___}{Kr} + 3 {}_{0}^{1}n + Energy$

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

An electron, a doubly ionized helium ion

({He}^{+ +})

and proton are having the same kinetic energy. The relation between their respective de-Broglie wavelength

λ_{e}, λ_{{He}^{+ +}}

and

λ_{p}

is :

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The Binding energy per nucleon of

{}_{3}^{7}{L i}

and

{}_{2}^{4}{H e}

nucleon are

5.60 M e V

and

7.06 M eV

, respectively. In the nuclear reaction

_{3}^{7} L i +_{1}^{1} H \to_{2}^{4} H e +_{2}^{4} H e + Q

, the value of energy

Q

released is

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

2 M e V

neutron is emitted in a fission reactor. If it looses half of its kinetic energy in each collision with a moderator atom, how many collisions must it undergo to achieve thermal energy of

0.039 e V

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The energy released per fission of a ₉₂U²³⁵ nucleus is nearly

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

In the nuclear fusion reaction:

$_{1} H^{2} +_{1} H^{3} \to_{2} {He}^{4} + n$ , given that the repulsive potential energy between the two nuclei is $7.7 \times 10^{- 14} J .$ If Boltzmann's constant, $k = 1.38 \times 10^{- 23} J K^{- 1}$ , then the temperature at which the gases must be heated to initiate the reaction is nearly

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

When

{}_{13}^{27}{A l}

is bombarded with

α

-particle, a radioactive isotope of phosphorus

{}_{15}^{30}P

is formed. Which particle is emitted along with

{}_{15}^{30}P

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

Nuclear fission can be explained based on

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The speed of daughter nuclei

(m)

of the nucleus

(M)

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

What is X in the nuclear reaction

{_{7} N}^{14} + {_{1} H}^{1} \to {_{8} O}^{15} + X

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

Which one is correct about fission?

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

In the nuclear fusion reaction,

_{1}^{2} H +_{1}^{3} H \to_{2}^{4} He + n

, given that the magnitude of repulsive potential energy between the two nuclei is approximately

7 .7 \times 10^{- 14} J

. The temperature at which the gases must be heated to initiate the reaction is nearly

[

Boltzmann's constant

k = 1 {.38\times10}^{- 23} J K^{- 1}

]

Define radioactive transmutation?

Important Questions on Nuclear Chemistry

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