NEET Chemistry MCQ: NCERT Bond Parameters

🎓 Ncert Level:Understanding

🔄Ncert Concepts :Bond Order, Bond Length

Related Questions

The electronic structure of four elements A,B,C,D are $\begin{array}{l}

\left( A \right)1{s^2},,,,(B,)1{s^2},2{s^2},2{p^2}\

\left( C \right)1{s^2},2{s^2},2{p^5},,,\left( D \right)1{s^2},2{s^2},2{p^6}

\end{array}$ The tendency to form electrovalent bond is largest in

$A$

$B$

$C$

$D$

Question Tags

🔄Ncert Concepts :electronic configuration, electrovalent bond, octet rule, electronegativity

Which bond has the highest bond energy?

Coordinate bond

Sigma bond

Multiple bond

Polar covalent bond

Question Tags

🎓 Ncert Level:Remembering

🔄Ncert Concepts :bond energy, types of chemical bonds

A larger bond enthalpy indicates a:

Weaker bond

Stronger bond

Longer bond

No bond

Question Tags

🎓 Ncert Level:Understanding

🔄Ncert Concepts :Bond Enthalpy

The bond order in ${\rm{O}}_2^ +$ is equal to bond order in:

${\rm{N}}_2^ +$

${\rm{C}}{{\rm{N}}^ - }$

${\rm{CO}}$

${\rm{N}}{{\rm{O}}^ + }$

Question Tags

⚡ Time Required :3 mins

🔄Ncert Concepts :molecular orbital theory, bond order, electronic configuration

Which of the following exhibits diamagnetic behavior:

${\rm{O}}_2^{2 - }$

${\rm{O}}_2^ +$

${{\rm{O}}_2}$

Question Tags

🎓 Ncert Level:Application

🔄Ncert Concepts :Molecular orbital theory, paramagnetism, diamagnetism

The $C{\rm{ }}-{\rm{ }}H$ bond distance is the longest in

${{\rm{C}}_2}{{\rm{H}}_6}$

${{\rm{C}}_2}{{\rm{H}}_2}$

${{\rm{C}}_2}{{\rm{H}}_2}{\rm{B}}{{\rm{r}}_2}$

${{\rm{C}}_2}{{\rm{H}}_4}$

Question Tags

🎯Difficulty :Hard

⚡ Time Required :3 mins

🔄Ncert Concepts :bond length, hybridization, single bond, double bond, triple bond

The correct increasing order of polarising power is:

${\rm{C}}{{\rm{a}}^{2 + }} < M{{\rm{g}}^{2 + }} < B{{\rm{e}}^{2 + }} < {{\rm{K}}^ + }$

${\rm{M}}{{\rm{g}}^{2 + }} < B{{\rm{e}}^{2 + }} < {{\rm{K}}^ + } < C{{\rm{a}}^{2 + }}$

${\rm{B}}{{\rm{e}}^{2 + }} < {{\rm{K}}^ + } < C{{\rm{a}}^{2 + }} < M{{\rm{g}}^{2 + }}$

${{\rm{K}}^ + } < C{{\rm{a}}^{2 + }} < M{{\rm{g}}^{2 + }} < B{{\rm{e}}^{2 + }}$

Question Tags

🎓 Ncert Level:Understanding

🔄Ncert Concepts :polarizing power, ionic charge, ionic size

The half of the difference between the number of electrons in bonding molecular orbitals and antibonding molecular orbitals is known as:

Bond order

Proton order

Molecular order

Electron order

Question Tags

🎓 Ncert Level:Remembering

🔄Ncert Concepts :Molecular Orbital Theory, Bond Order

The decreasing order of bond angle is

$\begin{array}{*{20}{l}}

{{\rm{N}}{{\rm{O}}_2} > {\rm{NO}}_2^ + > {\rm{NO}}_2^ - }

\end{array}$

${\rm{NO}}_2^ - > N{{\rm{O}}_2} > {\rm{NO}}_2^ +$

${\rm{NO}}_2^ + > N{{\rm{O}}_2} > {\rm{NO}}_2^ -$

${\rm{NO}}_2^ + > {\rm{NO}}_2^ - > N{{\rm{O}}_2}$

Question Tags

⚡ Time Required :3 mins

🔄Ncert Concepts :VSEPR theory, bond angle, lone pair repulsion, resonance

10.

The electronic structure of four elements A,B,C,D are $\begin{array}{l}

\left( A \right)1{s^2},,,,(B,)1{s^2},2{s^2},2{p^2}\

\left( C \right)1{s^2},2{s^2},2{p^5},,,\left( D \right)1{s^2},2{s^2},2{p^6}

\end{array}$ The tendency to form electrovalent bond is largest in

$A$

$B$

$C$

$D$

Question Tags

🎓 Ncert Level:Application