Test: General Properties of Group-16 (Oxygen, Ozone & Sulphur) - NEET MCQ

The number of bond pairs and lone pairs in rhombic sulphur molecule are

Which has lowest bond energy (single bond)?

Harmful UV radiations emitted from the sun are prevented from reaching the earth by the presence of ozone in the

Point out the incorrect statement among the following.

The correct order of thermal stability of the hydrides of group 16 elements is

When O₂ changes to 

Increasing order of oxidation number of oxygen is found in

Direction (Q. Nos. 11-15) This section contains 5 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.

Q.  Which of the following property do not increase down the group from oxygen to polonium?

The correct statements among the following are

Which of the following statements regarding ozone are correct?

The correct statements among the following are

Which of the following do not stick to the poles of a magnet?

Direction (Q. Nos. 16 and 17) This section contains a paragraph, each describing theory, experiments, data, etc. Two questions related to the paragraphs have been given. Each question has only one correct answer among the four given options (a), (b), (c) and (d).

Passage

Sulphur and the rest of the elements of 16th group are less electronegative than oxygen. They can acquire ns²np⁶ by sharing two electrons with the atoms of other elements and thus, exhibit +2 oxidation state in their compounds, in addition to this, atoms have vacant d-orbitals in their valence shell due to which electrons I can be promoted from the s- and p-orbitals of the same shell. As a result, they can show +4 and +6 oxidation states. The oxidation states of elements never exceed +6.

Q.

Oxidation states of sulphur in H₂S₂O₇ and H₂S₂O₈ respectively are

Passage

Sulphur and the rest of the elements of 16th group are less electronegative than oxygen. They can acquire ns²np⁶ by sharing two electrons with the atoms of other elements and thus, exhibit +2 oxidation state in their compounds, in addition to this, atoms have vacant d-orbitals in their valence shell due to which electrons I can be promoted from the s- and p-orbitals of the same shell. As a result, they can show +4 and +6 oxidation states. The oxidation states of elements never exceed +6.

Q. 

Like sulphur, oxygen does not show +4 and +6 oxidation states .The reason is

Direction (Q. Nos. 18-20) Choices for the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d), out of which one is correct.

Q. 

Match the Column I with Column II and mark the correct option from the codes given below.

Match the Column I with Column II and mark the correct option from the codes given below.

Match the Column i with Column II and mark the correct option from the codes given below.

Direction (Q. Nos. 21-24) This section contains 4 questions. When worked out will result in an integer from 0 to 9 (both inclusive).

Q. 

Number of chemicals that produce dioxygen on heating

KCIO₃, (NH₄)₂ Cr₂O₇, NH₄NO₃, NaNO₃, KMnO₄, K₂Cr₂O₇, H₂O₂, Pb₃O₄, NH₄NO₂

In the fully excited state, number of unpaired electrons in tellurium are

Number of chemical species having bent shape in 

Among the following compounds, the number of compounds which have oxidation states of S is +4 ?

PbS, SO₂, SF₆, Na₂S₂O₃, H₂SO₃

Direction (Q. No. 25) This section is based on Statement I and Statement II. Select the correct answer from the codes given below.

Q. 

Statement I : Oxygen is more electronegative than sulphur, yet H₂S is acidic, while H₂O is neutral.

Statement II : H— S bond is weaker than O—H bond.