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

Question 1

Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

Q.

Which is incorrect statement?

Accepted Answer

The differentiating electron in tellurium enters into 6p subshell

Answer

Element with atomic number 52 belong to 5th period and 16th group

Answer

Number of electrons in the n and (n - 1) shells of selenium are 6 and 18

Answer

Among chalcogens oxygen and sulphur exist in free as well as in combined state

Question 2

In earth’s crust, sulphur exists as

Accepted Answer

All of these

Answer

elemental sulphur

Answer

sulphide ore

Answer

sulphate ores

Question 3

The element used in the production of photocells and solar cells and also used in xerox machines is

Accepted Answer

selenium

Answer

sulphur

Answer

tellurium

Answer

polonium

Question 4

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

Accepted Answer

8 and 16

Answer

6 and 6

Answer

8 and 8

Answer

16 and 8&#8203;

Question 5

Which has lowest bond energy (single bond)?

Accepted Answer

O&#8212;O

Answer

O&#8212;H

Answer

S&#8212;H

Answer

S&#8212;S

Question 6

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

Accepted Answer

stratosphere

Answer

mesosphere

Answer

thermosphere

Answer

troposphere

Question 7

Point out the incorrect statement among the following.

Accepted Answer

The transition temperature of rhombic and monoclinic sulphur is 369°C

Answer

In OF₂, oxidation state of oxygen is + 2

Answer

Sulphur shows strong tendency to catenation while oxygen shows this tendency to a limited extent

Answer

Oxygen is most abundant element in the earth's crust followed by sulphur in 16th group

Question 8

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

Accepted Answer

H₂O>H₂S>H₂Se>H₂Te>H₂Po

Answer

H₂Po> H₂Fe> H₂Se> H₂S > H₂O

Answer

H₂O2S>H₂Se>H₂Te>H₂Po

Answer

H₂O=H₂S=H₂Se-H₂Te=H₂Po

Question 9

When O₂ changes to

Accepted Answer

bond order increases

Answer

paramagnetic become diamagnetic

Answer

bond length increases

Answer

diamagnetic become paramagnetic

Question 10

Increasing order of oxidation number of oxygen is found in

Accepted Answer

BaO₂ < KO₂ < O₃ < O₂ F₂

Answer

KO₂ < BaO₂ < O₃ < O₂ F₂

Answer

O₃ < KO₂ < BaO₂ < O₂ F₂

Answer

O₂ F₂ < BaO₂ < KO₂ < O₃

Question 11

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?

Accepted Answer

Question 12

The correct statements among the following are

Accepted Answer

Question 13

Which of the following statements regarding ozone are correct?

Accepted Answer

Question 14

The correct statements among the following are

Accepted Answer

Question 15

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

Accepted Answer

Question 16

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

Accepted Answer

+ 6 and + 6

Answer

+ 6 and + 7

Answer

+ 5 and + 6

Answer

+ 5 and + 7

Question 17

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

Accepted Answer

that oxygen has no d-orbitals in its valence shell like sulphur

Answer

that oxygen is a gas while sulphur is solid

Answer

that oxygen has high ionisation energy in comparison to sulphur

Answer

that sulphur has high electron affinity in comparison to oxygen

Question 18

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.

Accepted Answer

Answer

Answer

Answer

Question 19

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

Accepted Answer

Answer

Answer

Answer

Question 20

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

Accepted Answer

Answer

Answer

Answer

Question 21

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

Accepted Answer

Question 22

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

Accepted Answer

Question 23

Number of chemical species having bent shape in

Accepted Answer

Question 24

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

PbS, SO₂, SF₆, Na₂S₂O₃, H₂SO₃

Accepted Answer

Question 25

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.

Accepted Answer

Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I

Answer

Both Statement I and Statement II are correct but Statement II is not the correct explanation of Statement I

Answer

Statement I is correct but Statement II is incorrect

Answer

Statement II is correct but Statement I is incorrect

General Properties of Group-16 (Oxygen, Ozone & Sulphur) - Free MCQ Practice

MCQ Practice Test & Solutions: Test: General Properties of Group-16 (Oxygen, Ozone & Sulphur) (25 Questions)

Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.
Q.
Which is incorrect statement?

In earth’s crust, sulphur exists as

The element used in the production of photocells and solar cells and also used in xerox machines is

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. 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.

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General Properties of Group-16 (Oxygen, Ozone & Sulphur) - Free MCQ Practice

MCQ Practice Test & Solutions: Test: General Properties of Group-16 (Oxygen, Ozone & Sulphur) (25 Questions)

Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.Q. Which is incorrect statement?

In earth’s crust, sulphur exists as

The element used in the production of photocells and solar cells and also used in xerox machines is

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. 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 heatingKCIO3, (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.

Chemistry Class 12

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Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.
Q.
Which is incorrect statement?

When O₂ changes to

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?

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.

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

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.