Statement:Li and Mg can easily react with atmospheric nitrogen
while Na can’t react.
Reason: Li and Mg are diagonally related to each other.

Both statement and reason are true and the reason is the correct explanation.

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Both statement and reason are true and the reason is not the correct explanation.

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Statement is true but the reason is false.

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Statement is false but the reason is true.

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Solution

The correct option is A Both statement and reason are true and the reason is the correct explanation.
A diagonal relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods of the periodic table which show some similar properties.

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Similar questions

Q. Assertion :

L i

and

M g

shows diagonal relationship. Reason:

L i

and

M g

are diagonal to each other in the Periodic table.

Q. Two elements

A

and

B

A

and

B

, respectively, are:

Barium reacts vigorously even with cold water while Mg reacts slowly with warm water. Mg does not react with cold water easily while Beryllium does not react even with boiling water.

L i

and

M g

resembles each other because

Q. Fill up the blanks with appropriate choices.
Lithium and magnesium react slowly with water. Their hydroxides are ________ soluble in water. Carbonates are Li and Mg ________ easily on heating. Both LiCl and

M g C l_{2}

are ________ in entanol and are ________. They crystallise from their aqueous solutions as _________.

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Statement:Li and Mg can easily react with atmospheric nitrogen while Na can’t react. Reason: Li and Mg are diagonally related to each other.

The correct option is A Both statement and reason are true and the reason is the correct explanation.A diagonal relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods of the periodic table which show some similar properties.

Statement:Li and Mg can easily react with atmospheric nitrogen
while Na can’t react.
Reason: Li and Mg are diagonally related to each other.

The correct option is A Both statement and reason are true and the reason is the correct explanation.
A diagonal relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods of the periodic table which show some similar properties.