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Standard X

Chemistry

Ionisation Energy

A metal that ...

Question

A metal that forms a stable binary halide of formula $A X_{2}$ (X = Halogen) is :

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Solution

The correct option is D 4
A metal that forms a stable binary halide will be an alkaline earth metal of 2nd group. Its $I E_{2}$ will not be much higher than $I E_{1} .$ Thus, (d) is such a metal that forms a stable binary halide of formula $A X_{2} .$

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Similar questions

Q. The metal which can form a predominantly stable covalent halide of the formula MX (X

=

halogen)?

Q. The first

(Δ_{i} H_{1})

and the second

(Δ_{i} H_{2})

ionization enthalpies (in kJ mol

^{- 1}

) and the

(Δ_{e g} H)

electron gain enthalpy (in kJ mol

^{- 1}

) of a few elements are given below:

Elements	$Δ H_{1}$	$Δ H_{2}$	$Δ_{e g}$ H
I	520	7300	-60
II	419	3051	-48
III	1681	3374	-328
IV	1008	1846	-295
V	2372	5251	+48
VI	738	1451	-40

Which of the above elements is likely to be :
(a) the least reactive element,
(b) the most reactive metal,
(c) the most reactive non-metal,
(d) the least reactive non-metal,
(e) the metal which can form a stable binary halide of the formula MX

_{2}

(X=halogen) and
(f) the metal which can form a predominantly stable covalent halide of the formula MX (X=halogen)?

Q. A metal which can form a predominantly Stable Covalent Halide of Formula

M X, X

is:

The first (Δ_iH1) and the second (Δ_iH) ionization enthalpies (in kJ mol^–1) and the (Δ_egH) electron gain enthalpy (in kJ mol^–1) of a few elements are given below:

Elements	Δ_iH	Δ_iH	Δ_egH
I	520	7300	–60
II	419	3051	–48
III	1681	3374	–328
IV	1008	1846	–295
V	2372	5251	+48
VI	738	1451	–40

Which of the above elements is likely to be :

(a) the least reactive element.

(b) the most reactive metal.

(d) the least reactive non-metal.

(e) the metal which can form a stable binary halide of the formula MX₂, (X=halogen).

(f) the metal which can form a predominantly stable covalent halide of the formula MX (X=halogen)?

Q. The

{(I E)}_{1}

an dthe

{(I E)}_{2}

in kJ

{m o l}^{- 1}

of few elements designated by Roman numerals are shown below:

Element

{(I E)}_{1}

{(I E)}_{2}

1 2372 5251 2 520 7300 3 900 1760 4 1680 3380 Which of the above elements is likely to be a (a) reactive metal (b) reactive non-metal (c) noble gas (d) metal that forms a stable binary halide of the

{A X}_{2}

Write the sequence of your answer.

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A metal that forms a stable binary halide of formula AX2 (X = Halogen) is :

The correct option is D 4A metal that forms a stable binary halide will be an alkaline earth metal of 2nd group. Its IE2 will not be much higher than IE1. Thus, (d) is such a metal that forms a stable binary halide of formula AX2.

A metal that forms a stable binary halide of formula $A X_{2}$ (X = Halogen) is :

The correct option is D 4
A metal that forms a stable binary halide will be an alkaline earth metal of 2nd group. Its $I E_{2}$ will not be much higher than $I E_{1} .$ Thus, (d) is such a metal that forms a stable binary halide of formula $A X_{2} .$