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Sodium reacts...

Question

Sodium reacts with water more vigorously than lithium because:

A

it has higher atomic mass

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B

it is more electropositive

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C

it is more electronegative

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D

it is a metal

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Solution

The correct option is D it is more electropositive
On moving down the group electropositive character increases so sodium reacts with water more vigorously than lithium.

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Similar questions

Q. State whether the following statements are true or false :
(a) A sodium ion has positive charge because it has more protons than a neutral atom.
(b) A chloride ion has negative charge because it has more electrons than a neutral atom.

Q. Explain:
(i) Larger the atomic size, more metallic is the element.
(ii) Halogens have high electron affinity.
(iii) Size of atom changes when it loses or gain electron.
(iv) K is more reactive than Li.
(v) Electronegativity of Cl is higher than S.
(vi) Group 17 elements are non-metals, while group 1 elements are metals.

Q. Sodium reacts with water more vigorously than lithium because it :

Q. Sodium and potassium react with water much more vigorously than lithium because:

The value of electrode potential of lithium is more -ve than sodium then why why it react with water less vigorously then sodium ??

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