Question

1. A metal ‘X’ loses two electrons and a non-metal ‘Y’ gains one electron. Show the electron dot structure of compound formed between them. Is ionic or covalent? Does it have high melting point or low? Will it conduct electricity in solid state or in aqueous solution and why? Will it be soluble in water?

Answer 1

Explanation:

metal ‘X’ loses two electrons and a non-metal ‘Y’ gains one electron. Show the electron dot structure of compound formed between them.

Answer 2

Explanation:

caution :- × menas 1 electron

× x × --------- x

y + y -------- y × + y ×

from above X has +2 charge and y have -1 change

then compound is Xy2

it is ionic bond coz it made up of anion and cation

it have High melting point coz in ionic bond elements are tightly

bonded to each other

ionic bond conducts electricity in aqueous solution coz there electrons can move in aqueous solution

No it do not dissolve in water

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