Which of the following statement is correct in the context of the allene molecules, ${C}_{3}{H}_{4}$?

(a) The central carbon is Sp hybridized

(b) The terminal carbon atoms are $s{p}^{2}$ hybridized

(c) The planes containing the $C{H}_{2}$ groups are  mutually perpendicular to permit the formations two separate $\pi$ - bonds

(d) All are correct

Concept Questions :-

Hybridisation
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Select the incorrect statement about :

(i) In, d-orbitals are contracted by electronegative fluorine atoms, but d-orbitals contaraction is not possible by H-atom in ${\mathrm{N}}_{2}{\mathrm{H}}_{4}$

(ii) The N-N bond energy in ${\mathrm{N}}_{2}{\mathrm{F}}_{4}$ is lesser than N-N bond energy in ${\mathrm{N}}_{2}{\mathrm{H}}_{4}$

(iii) The N-N bond length in ${\mathrm{N}}_{2}{\mathrm{F}}_{4}$ is more than that in ${\mathrm{N}}_{2}{\mathrm{H}}_{4}$

(iv) The N-N bond length in ${\mathrm{N}}_{2}{\mathrm{F}}_{4}$ is less than that in ${\mathrm{N}}_{2}{\mathrm{H}}_{4}$

Choose the correct code:

(a) (i),(ii) and (iii)                                        (b) (i) and (iii)

(c) (ii) and (iv)                                            (d) (ii) and (iii)

Concept Questions :-

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

Difficulty Level:

The shape of $Xe{{F}_{3}}^{+}$ is :

(a) Trigonal planar

(b) Pyramidal

(c) Bent T-shape

(d) See- saw

Concept Questions :-

Hybridisation
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which of the following shape are not possible for possible value of 'n' in $XeFn$ molecule?

(a) Linear

(b) Square planar

(c) Trigonal planar

(d) Capped octahedral

Concept Questions :-

Hybridisation
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which of the following compound has maximum "C$—$C" single bond length?

(a)$C{H}_{2}CHCCH$       (b)$HCCCCH$

(c) $C{H}_{3}CHC{H}_{2}$        (d)$C{H}_{2}CHCHC{H}_{2}$

Concept Questions :-

Types of Bonding
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

$BeC{l}_{2}$ is not isostructural with :

(a)$IC{{l}_{2}}^{-}$

(b) ${C}_{2}{H}_{2}$

(c) $Xe{F}_{2}$

(d) $GeC{l}_{2}$

Concept Questions :-

Hybridisation
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Which statement is true about the most stable Lewis structure for $C{S}_{2}$ ?

(a) There are no lone pairs in molecule

(b) All bonds are double bonds

(c) The central atom does not have an octet of electrons

(d) A sulfur atom must be the central atom for the stucture to be stable

Concept Questions :-

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

Difficulty Level:

Minimum $\mathrm{F}—\mathrm{S}—\mathrm{F}$ bond angle present in:

(a)                                                      (b) ${\mathrm{SF}}_{6}$

(c) ${\mathrm{SF}}_{2}$                                                        (d) ${\mathrm{F}}_{3}\mathrm{SSF}$

Concept Questions :-

Hybridisation
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

$Sb{F}_{5}$ reacts with $Xe{F}_{4}$ and $Xe{F}_{6}$ to form ionic compounds $\left[Xe{{F}_{3}}^{+}\right]$ $\left[Sb{{F}_{6}}^{-}\right]$ and $\left[Xe{{F}_{5}}^{+}\right]$ $\left[Sb{{F}_{6}}^{-}\right]$ then molecular shape of $\left[Xe{{F}_{3}}^{+}\right]$ ion and $\left[Xe{{F}_{5}}^{+}\right]$ ion respectively :

(a) Square pyramidal, T-shaped

(b) Bent T-shape, Square pyramidal

(c) See- saw , square pyramidal

(d) Square pyramidal , See-saw

Concept Questions :-

Hybridisation
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

In which of the following species maximum atom can lie in same plane?

(a) $Xe{F}_{2}{o}_{2}$

(b) $PC{l}_{5}$

(c)$As{{H}_{4}}^{+}$

(d) $Xe{F}_{4}$

Concept Questions :-

Hybridisation