Which species does not exist?

(a) ${\left(SnC{l}_{6}\right)}^{2-}$

(b) ${\left(GeC{l}_{6}\right)}^{2-}$

(c) ${\left(CC{l}_{6}\right)}^{2-}$

(d) ${\left(SiC{l}_{6}\right)}^{2-}$

Concept Questions :-

Hybridisation
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which is paramagentic?

(a) $C{l}_{2}{O}_{6}$

(b) $C{l}_{2}{O}_{7}$

(c) $C{l}_{2}O$

(d) $Cl{O}_{2}$

Concept Questions :-

Covalent Bonding
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Greater the dipole moment:

(a) greater is the ionic nature

(b) lesser the polarity

(c) smaller is the ionic nature

(d) none of these

Concept Questions :-

Polarity
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

$N{F}_{3}$ is:

(a) non-polar compound

(b) electrovalent compound

(c) having low value of dipole moment than $N{H}_{3}$

(d) having more dipole moment than $N{H}_{3}$

Concept Questions :-

Polarity
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Polarization of electrons in acrolein may be written as:

(a) $\stackrel{{\delta }^{-}}{C}{H}_{2}=CH-\stackrel{{\delta }^{+}}{C}H=O$

(b)$\stackrel{{\delta }^{-}}{C}{H}_{2}=CH-CH=\stackrel{{\delta }^{+}}{O}$

(c) $\stackrel{{\delta }^{-}}{C}{H}_{2}=\stackrel{{\delta }^{+}}{C}H-CH=O$

(d) $\stackrel{{\delta }^{+}}{C}{H}_{2}=CH-CH=\stackrel{{\delta }^{-}}{O}$

Concept Questions :-

Resonance
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

$PC{l}_{5}$ exists but $NC{l}_{5}$ does not because:

(a) nitrogen has no vacant 2d-orbitals

(b)$NC{l}_{5}$ is unstable

(c) nitrogen atom is much smaller than p

(d) nitrogen is highly inert

Concept Questions :-

Acid, Base and Fajan's Rule
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Bond angle between two hybrid orbitals is ${105}^{°}$.% S character orbital is:

(a) between 30-31%

(b) between 19-20%

(c) between 25 -26%

(d) between 22-23%

Concept Questions :-

Hybridisation
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which bond angle would result in the maximum dipole moment for the triatomic molecule $X{Y}_{2}$ shown below?

(a) ${90}^{°}$

(b) ${120}^{°}$

(c) ${150}^{°}$

(d) ${180}^{°}$

Concept Questions :-

Polarity
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The hydrogen bonding is strongest in:

(a) $O—H‐‐‐S$

(b) $S—H‐‐‐O$

(c) $F—H‐‐‐F$

(d) $F—H‐‐‐O$

Concept Questions :-

Hydrogen Bonding
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The ionisation energy will be maximum for the process:

(a) $Ba\to B{a}^{2+}$

(b) $Be\to B{e}^{2+}$

(c) $Cs\to C{s}^{+}$

(d) $Li\to L{i}^{+}$

Concept Questions :-

Ionic Bonding