Give two properties in which hydrogen neither resembles with alkali metals nor with halogens.

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Solution

Alkali metals and halogens have more than one shell but hydrogen atom has only one shell.
Oxide of hydrogen, H₂O is neutral oxide. But oxides of halogens like Cl₂O are acidic in nature, while oxides of alkali metals like Na₂O are basic in nature.

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Question 2

Why does $H^{+}$ ion always get associated with other atom or molecules?

(a) Ionisation enthalpy of hydrogen resembles that of alkali metals.

(b) Its reactivity is similar to halogens

(d) Loss of an electron from hydrogen atom results in a nucleus of very small size as compare to other or ions. Due to small size it cannot exist free.

Q. Write one property of hydrogen which makes it resemble with
A. Alkali metals
B. Halogens

Q. Hydrogen exhibits the properties similar to both alkali metals and halogens.

Q. In which of the properties listed below, hydrogen does not show similarity with halogens?

I .

Nature of the oxide

I I .

Electropositive character

I I I .

Combination with alkali metals

I V .

Atomicity

Q. Hydrogen does not resemble alkali metals in which one of the following properties?

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Give two properties in which hydrogen neither resembles with alkali metals nor with halogens.

Alkali metals and halogens have more than one shell but hydrogen atom has only one shell.Oxide of hydrogen, H2O is neutral oxide. But oxides of halogens like Cl2O are acidic in nature, while oxides of alkali metals like Na2O are basic in nature.

Alkali metals and halogens have more than one shell but hydrogen atom has only one shell.
Oxide of hydrogen, H₂O is neutral oxide. But oxides of halogens like Cl₂O are acidic in nature, while oxides of alkali metals like Na₂O are basic in nature.