Elements Q and S form an ionic compound.Can Q and S both be metals? Justify your answer.

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Solution

To form ionic compound one element have to loose electron (metal) and other have to gain electron (non-metal) so both Q and S can not be metals.

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Similar questions

Elements Q and S react together to form an ionic compound. Can Q and S both be metals? Justify your answer.

Q. Can an organic compound having a formula CnHn is possible.give reasons to justify your answer.

Q. Sub-shell electronic configuration of elements P, Q and R is given.
[P, Q and R are imaginary symbols]
P

= 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{1}

,
Q

= 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{5}

,
R

= 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{2} 4 s^{2} 3 d^{1}

(a) One of these electronic configurations given above is wrong. Which is the element?
(b) Out of P, Q and R which has the highest electronegativity?
(c) Can P and Q join to form an ionic compound? Justify your answer.

(a) Acids dissolve in water and produce positively charged ions. Draw the structure of these positive ions.

(b) Explain why Carbon tetrachloride does not dissolve in water.

(c) Elements Q and S react together to form an ionic compound. Under normal conditions, which physical state will the compound QS exist in ?

(d) Can Q and S, both be metals ? Justify your answer.

(e) The property which is characteristic of an electrovalent compound is that :

A. it is easily vaporized,

B. it has a high melting point,

C. it is a weak electrolyte,

D. it often exists as a liquid.

(f) When a metal atom becomes an ion :

A. it loses electrons and is oxidized,

B. it gains electrons and is reduced,

C. it gains electrons and is oxidized,

D. it loses electrons and is reduced.

(a) Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d) given below:
(i) The type of bonding in X will be:
(a) ionic
(b) electrovalent
(c) covalent
(d) molecular
(ii) X is likely to have a:
(a) low melting point and high boiling point
(b) high melting point and low boiling point
(c) low melting point and low boiling point
(d) high milting point and high boiling point
(iii) In the liquid state, X will:
(a) become ionic
(b) be an electrolyte
(c) conduct electricity
(d) not conduct electricity

(b) (i) Acids dissolve in water to produce positively charged ions. Draw the structure of these positive ions.
(ii) Explain, why carbon tetrachloride does not dissolve in water?
(iii) Elements Q and S react together to form an ionic compound. Under normal conditions, which physical state will the compound QS exist in?
(iv) Can Q and S, both be metals? Justify your answer.

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