(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Chemistry

Arrange the following in order of increasing ionisation energy:

F, O, Ne

Explain your choice.

Arrange the following in order of increasing ionisation energy:

Ne, He, Ar

Explain your choice.

Across a period, the ionization potential ______.

Across a period, the ionization potential ______.

With reference to the variation of properties in the Periodic Table, which of the following is generally true?

Give reason:

Ionisation potential of the element increases across a period from left to right.

Ionisation Potential values depend on atomic size. Explain.

Ionisation Potential values depend on the nuclear pull. Explain.

The element with highest ionisation potential is ______.

This question refers to the elements of the Periodic Table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.

Which of these have least Ionisation Energy?

Give an example in the following case:

Compound with electrovalent and covalent bond

Give two examples of strong alkalis.

Give two examples of weak alkalis.

Choose the most appropriate answer from

(SO₂, SiO₂, Al₂O₃, CO, MgO, Na₂O)

An amphoteric oxide.

Solution A is strong acid B weak acid C strong alkali.

Which solution gives gelatinous white ppt with zinc sulphate, ppt disappears in excess?

Solution A is strong acid B weak acid C strong alkali.

Give example of a weak alkali.

Fill in the blank from the choices given:

The basicity of acetic acid is ______.

Arrange the following as per the instruction given in the brackets:

He, Ar, Ne (Increasing order of the number of electron shells)

Draw an electron dot diagram to show the formation of each of the following compounds:

Methane

[H = 1, C = 6, Mg = 12, Cl = 17]

Draw an electron dot diagram to show the formation of each of the following compounds:

Magnesium Chloride

[H = 1, C = 6, Mg = 12, Cl = 17]