Home
Class 11
CHEMISTRY
Assertion : All the isotopes of a given ...

Assertion : All the isotopes of a given element show same chemical behaviour.
Reason : Isotopes have different number of neutrons present in the nucleus.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Chemical properties of atoms are controlled by the number of electrons, which are determined by the number of protons in the nucleus. Number of neutrons present in the nucleus have very little effect on the chemical properties of an element.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    NCERT FINGERTIPS|Exercise NCERT EXEMPLAR PROBLEMS|1 Videos

  • STATES OF MATTER

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • THE P-BLOCK ELEMENTS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Assertion(A): All isotopes of a given element show the same type of chemical behaviour. Reason(R) The chemical properties of an atom are controlled by the numb er of electron s in the atom.

Isotopes of an element have the same atomic number.

Knowledge Check

  • All isotopes of a given element show the same type of chemical behaviour:

    A
    The chemical properties of an atom are controlled by the number of electrons in the atoms
    B
    The chemical properties of an atom are controlled by the number of electrons in the atom
    C
    The chemical properties of an atom are controlled by the numeber of mass in the atom
    D
    none

  • Assertion. All isotopes of a given element show the same type of chemical behaviour Reason. The chemical properties of an atom are controlled by the number of electrons in an atom.

    A
    If both assertion and reason are true, and reason is the true explanation of the arrertion
    B
    If both assertion and reason are true, but reason is not the true explanation of the assertional
    C
    If assertion is true, but reason is false
    D
    If both assertion and reason are false

  • Assertion (A): All isotopes of a given element show the same type of chemical behaviour. Reason (R) : The chemical properties of an atom are controlled by the number of electrons in the atom

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true but R is not the correct explanation of A
    C
    A is true but R is false
    D
    Both A and R are false

    • Similar Questions

    Explore conceptually related problems

    Assertion : All the three isotope of hydrogen have almost the same chemical properties. Reason : Isotopes differ from one another in respect of the presence of neutrons.

    This section contains Assertion (a) and Reasons (R) type questins. Each questin has 4 choices (1), (2), (3) and (4), out of which only one is correct. (1) Bothe Assertion and Reason are correct and Reason is the correct explanation of the Assertion (2) Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion (3) Assertion is correct but Reason is incorrect (4) Both Assertion and Reason are incorrect Assertion(A) All isotopes of a given element show the same type of chemical behaviour. Reason(R) The chemical properties of an atom are controlled by the number of electrons in the atom.

    Isotopes are the atoms of same element, they have same atomic number but different mass numbers. Isotopes have different number of neutrons in their nucleus . If an element exists in two isotopes having atomic masses 'a' and 'b' in the ratio m:n, then average atomic mass will be (mxxa+nxxb)/(m+n) Different isotopes of same element have same position in the periodic table. the elemens which have single isotope are called monoisotropic elements. Greater is the percentage composition of an isotope, more will be its abundance in nature. .^(12)C and .^(14)C isotopes are found at 98% and 2% respectively in any sample. then, the number of .^(14)C atoms in 12g of the sample will be:

    Isotopes are the atoms of same element, they have same atomic number but different mass numbers. Isotopes have different number of neutrons in their nucleus . If an element exists in two isotopes having atomic masses 'a' and 'b' in the ratio m:n, then average atomic mass will be (mxxa+nxxb)/(m+n) Different isotopes of same element have same position in the periodic table. the elemens which have single isotope are called monoisotropic elements. Greater is the percentage composition of an isotope, more will be its abundance in nature. The isotopes of chlorine with mass number 35 and 37 exist in the ratio of. . . .. Its average atomic mass is 35.5.

    Isotopes are the atoms of same element, they have same atomic number but different mass numbers. Isotopes have different number of neutrons in their nucleus . If an element exists in two isotopes having atomic masses 'a' and 'b' in the ratio m:n, then average atomic mass will be (mxxa+nxxb)/(m+n) Different isotopes of same element have same position in the periodic table. the elemens which have single isotope are called monoisotropic elements. Greater is the percentage composition of an isotope, more will be its abundance in nature. Which of the following isotopes is/are used to decide the scale of atomic mass?

    Home
    Profile