MyQuestionIcon

21

You visited us 21 times! Enjoying our articles? Unlock Full Access!

Abundance and Isotopes

Assertion :Th...

Question

Assertion :The splitting of atomic nuclei releases enormous energy Reason: When a single free neutron strikes the nucleus of an atom of fissile (radioactive) material like uranium 235 or plutonium 239, it usually knocks two or three more neutrons free.

A

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Assertion is correct but Reason is incorrect

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Both Assertion and Reason are incorrect

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$\begin{matrix} The splitting of atomic nuclei releases enormous energy. When a single electron strikes the nucleus of an atom of fissile ( radioactive) material like uranium 235 or plutonium 239, it usually knocks two or three more neutrons free. This releases enormous energy. \end{matrix}$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Assertion : Two electrons of helium atom are placed in only one shell but three electrons of lithium need two shells.
Reason: A shell can have maximum

{2n}^{2}

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

Q. Assertion: The compressibility factor for

H_{2}

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

H e

can be derived from Van der Waal's equation.

Q. Assertion: The impurities such as

{SiO}_{2}

present in iron ore is removed by

{CaCO}_{3}

CaO

formed by decomposition of

{CaCO}_{3}

{SiO}_{2}

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Dihydrogen - Occurrence, Isotopes and Nuclear Isomers

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Abundance and Isotopes

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon