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Aluminium Chloride

The most elec...

Question

The most electropositive element among the alkaline earth metals is :

A

B e

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B

M g

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C

C a

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D

B a

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Solution

The correct option is D $B a$
On moving down the group, the effective nuclear charge on the outermost electrons decreases. Hence $B a$ can readily lose electrons and will be the most electropositive element among the alkaline earth metals.

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Q. The most electropositive amongst the alkaline earth metals is:

Q. Choose the alkaline earth metal among the following.
Na, Ca, Ba, Cs, Be, Li

Q. Which of the following properties of the alkaline earth metals increase from Be to Ba? (i) Atomic radius (ii) ionization energy (iii) Electropositive character

Q. Which of the following statement is correct?
I) Atomic radius of Na is greater than that of Mg.
II) Metallic bond in Mg is stronger than the metallic bond in Na.
III) Melting and boiling points of Mg are greater than that of Ca.
IV) Mg and Ca are most abundant elements among the alkaline earth metals.

STATEMENT-1: Alkaline earth metals form polymeric hydrides.
STATEMENT-2: Only

B e

M g

among alkaline earth metals forms polymeric hydrides.

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