NEET Chemistry MCQ: NCERT Periodicity & Oxide Nature | NEET.Guide Questions

The correct order of electron gain enthalpy with negative sign of F, Cl, Br and I, having atomic number 9, 17, 35 and 53 respectively, is

A

Cl > F > Br > I

B

F > Cl > Br > I

C

I > Br > Cl > F

D

I > Br > F > Cl

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :electron gain enthalpy, periodic trends, halogens

Related Questions

Which of the following oxides is most acidic?

A

Na₂O

B

MgO

C

SO₃

D

Cl₂O₇

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

PYQ YEAR: 2018

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :1 mins

🔄Ncert Concepts :Periodic Trends, Acidic Oxides

Which of the following is an amphoteric oxide?

A

${\rm{S}}{{\rm{O}}_3}$

B

MgO

C

${\rm{A}}{{\rm{l}}_2}{{\rm{O}}_3}$

D

${{\rm{P}}_4}{{\rm{O}}_{10}}$

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

🎓 Ncert Level:Remembering

🎯Difficulty :Hard

⚡ Time Required :1 mins

🔄Ncert Concepts :amphoteric oxides, acidic oxides, basic oxides

The electron affinity values (in ${\rm{kJ\;mo}}{{\rm{l}}^{ - 1}}$ ) of three halogens X,Y and Z are respectively -349,-333 and -325. Then X, Y and Z respectively, are

A

${{\rm{F}}_2},{\rm{C}}{{\rm{l}}_2}{\rm{and\;B}}{{\rm{r}}_2}$

B

${\rm{C}}{{\rm{l}}_2},{\rm{\;}}{{\rm{F}}_2}{\rm{\;and\;B}}{{\rm{r}}_2}$

C

${\rm{C}}{{\rm{l}}_2},{\rm{\;B}}{{\rm{r}}_2}{\rm{\;and\;}}{{\rm{F}}_2}$

D

${\rm{B}}{{\rm{r}}_2},{\rm{C}}{{\rm{l}}_2}{\rm{and\;}}{{\rm{F}}_2}$

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

🎓 Ncert Level:Application

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :electron affinity, periodic trends, halogens

The second electron affinity is zero for

A

Alkali metals

B

Alkaline earth metals

C

Halogens

D

Noble gases

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :electron affinity, periodic trends, halogens, noble gases, alkali metals, transition metals

Which one these basic

A

$Si{O_2}$

B

$S{O_2}$

C

$C{O_2}$

D

$N{a_2}O$

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :acidic oxides, basic oxides, metallic oxides, non-metallic oxides

The correct order of acetic strength is:

A

${\rm{C}}{{\rm{l}}_2}{{\rm{O}}_7} > S{{\rm{O}}_2} > {{\rm{P}}_4}{{\rm{O}}_{10}}$

B

${\rm{C}}{{\rm{O}}_2} > {{\rm{N}}_2}{{\rm{O}}_5} > S{{\rm{O}}_3}$

C

${\rm{N}}{{\rm{a}}_2}{\rm{O}} > MgO > A{{\rm{l}}_2}{{\rm{O}}_3}$

D

${{\rm{K}}_2}{\rm{O}} > CaO > MgO$

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

🎓 Ncert Level:Analyzing

🎯Difficulty :Easy

⚡ Time Required :3 mins

🔄Ncert Concepts :Acidic strength of oxides, Electronegativity, Periodic trends

What type of oxide is carbon dioxide (CO2)?

A

Acidic

B

Basic

C

Neutral

D

Amphoteric

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :0.5 mins

🔄Ncert Concepts :Nature of Oxides, Acidic Oxides

Highest electron affinity among the following is

A

Fluorine

B

Chlorine

C

Sulphur

D

Xenon

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :electron affinity, periodic trends

The correct order of electron gain enthalpy with negative sign of F, Cl, Br and I, having atomic number 9, 17, 35 and 53 respectively, is

A

Cl > F > Br > I

B

F > Cl > Br > I

C

I > Br > Cl > F

D

I > Br > F > Cl

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :2 mins

🔄Ncert Concepts :electron gain enthalpy, periodic trends, halogens

Which of the following elements forms the most acidic oxide?

A

Chlorine

B

Sodium

C

Magnesium

D

Aluminum

Question Tags

📚 Subject:Chemistry

📑 Chapter:Classification of Elements and Periodicity in Properties

🎯Topic:Nature Of Oxides

PYQ YEAR: 2018

🎓 Ncert Level:Understanding

🎯Difficulty :Easy

⚡ Time Required :1 mins

🔄Ncert Concepts :Periodic Trends, Acidic Oxides, Electronegativity

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