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Consider the nuclear reactions ${}_{7}N^{14} (α, p) {}_{8}O^{17}$ and ${}_{13}A l^{27} (α, n) {}_{15}P^{30}$ . Identify the missing particle in the reaction, ${}_{13}A l^{27} +_{8} O^{17} + \dots \to_{7} N^{14} + {}_{15}P^{30} + \dots$

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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

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

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

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The number of neutrons accompanying the formation of

_{54}^{139} Xe

and

_{38}^{94} Sr

from the absorption of a slow neutron by

_{92}^{235} U

, followed by nuclear fission is

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The radioactive isotope

_{90}^{234} Th

undergoes two successive

β -

decay followed by

α

decay. The atomic number and the mass number respectively of the resulting isotope are

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

$_{z}^{m} A (half life 10 days) \overset{}{\to} {}_{Z - 4}^{m - 8}B + 2 ({}_{2}^{4}{He})$
Starting with one mole of A in a closed vessel at N.T.P., Helium gas collected after 20 days is:

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The electron is

HARD

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The overall separation factor necessary to achieve a product containing

99.7 %

by mass

U - 235

starting form natural uranium is-

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

Fill in the blank :

_{92}^{235} U +_{0}^{1} n \to ? +_{36}^{92} Kr + 3_{0}^{1} n

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

In the chain reaction involving fission of

_{92}^{235} U

as:

_{92}^{235} U +_{0}^{1} n \to_{56}^{140} B a +_{36}^{93} K r + 3_{0}^{1} n + E

Neutrons and energy produced at the

n^{t h}

step is-

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

_{11}^{23} N a

and

{}_{12}^{24}{M g}

are

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

Hydrogen bomb is based on the principle of

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The half-life period of

^{234} U

2.5 \times 10^{5}

years. In how much time is the quantity of the isotope reduced to 25% of the original amount-

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The half-life for decay of radioactive ${}^{14}C$ is 5730 years. An archaeological artifact containing wood has only 80% of the ${}^{14}C$ activity as found in living trees. The age of the artifact would be:
[Given: log 1.25 = 0.0969]

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

In the chain reaction involving fission of

_{92}^{235} U

_{92}^{235} U +_{0}^{1} n \to_{56}^{140} B a +_{36}^{93} K r + 3_{0}^{1} n + E,

Neutrons and energy produced at the

n^{t h}

step is-

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

_{11}^{23} Na

is the more stable isotope of Na. Find out the process by which

_{11}^{24} Na

can undergo radioactive decay.

EASY

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

Hydrogen bomb is based on the principle of

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The radio nuclide

{}_{90}^{234}{Th}

undergoes two successive

β^{-} -

decay and one

α -

decay respectively. The number of protons and mass number respectively of the resulting radio nuclide are:

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

A photon of hard gamma radiation knocks a proton out of

_{12}^{24} Mg

the nucleus to form.

MEDIUM

Chemistry>Physical Chemistry>Nuclear Chemistry>Nuclear Reactions

The radionuclide

_{90}^{234}

TH undergoes two successive

β - decays

. followed by

α

Decay. The atomic number and the mass number respectively of the resulting radionuclide are

Consider the nuclear reactions N147(α, p) O178 and A13l27(α, n) P3015. Identify the missing particle in the reaction, A13l27 + 8O17 + ⋯→ 7N14+P3015 +…

Important Questions on Nuclear Chemistry

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Consider the nuclear reactions ${}_{7}N^{14} (α, p) {}_{8}O^{17}$ and ${}_{13}A l^{27} (α, n) {}_{15}P^{30}$ . Identify the missing particle in the reaction, ${}_{13}A l^{27} +_{8} O^{17} + \dots \to_{7} N^{14} + {}_{15}P^{30} + \dots$