Q 1 :

Match List - I with List - II.

	List – I		List – II
	Molecule		Shape
(A)	${\mathrm{BrF}}_5$	(I)	T-shape
(B)	${\mathrm{H}}_2\mathrm{O}$	(II)	See saw
(C)	${\mathrm{CIF}}_3$	(III)	Bent
(D)	${\mathrm{SF}}_4$	(IV)	Square pyramidal

 

Choose the correct answer from the options given below:                   [2024]

• (A)-(I), (B)-(II), (C)-(IV), (D)-(III)

   

• (A)-(II), (B)-(I), (C)-(III), (D)-(IV)

   

• (A)-(III), (B)-(IV), (C)-(I), (D)-(II)

   

• (A)-(IV), (B)-(III), (C)-(I), (D)-(II)

   

Q 2 :

Given below are two statements:
Statement I: ${\mathrm{PF}}_5$ and ${\mathrm{BrF}}_5$ both exhibit ${\mathrm{sp}}^3\mathrm{d}$ hybridisation.
Statement II: Both ${\mathrm{SF}}_6$ and ${\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_6\right]}^{3+}$ exhibit ${\mathrm{sp}}^3{\mathrm{d}}^2$ hybridisation.

In the light of the above statements, choose the correct answer from the options given below:                 [2024]

• Statement I is true but Statement II is false

   

• Both Statement I and Statement II are false

   

• Both Statement I and Statement II are true

   

• Statement I is false but Statement II is true

   

Q 3 :

Number of compounds with one lone pair of electrons on central atom amongst following is ______

${\mathrm{O}}_3, {\mathrm{H}}_2\mathrm{O}, {\mathrm{SF}}_4, {\mathrm{CIF}}_3, {\mathrm{NH}}_3, {\mathrm{BrF}}_5, {\mathrm{XeF}}_4$                         [2024]

Q 4 :

The number of species from the following in which the central atom uses ${\mathrm{sp}}^3$ hybrid orbitals in its bonding is ______.

${\mathrm{NH}}_3, {\mathrm{SO}}_2, {\mathrm{SiO}}_2, {\mathrm{BeCl}}_2, {\mathrm{CO}}_2, {\mathrm{H}}_2\mathrm{O}, {\mathrm{CH}}_4, {\mathrm{BF}}_3$                             [2024]

Q 5 :

The number of molecules/ion/s having trigonal bipyramidal shape is ______. ${\mathrm{PF}}_5, {\mathrm{BrF}}_5, {\mathrm{PCl}}_5, {\left[{\mathrm{PtCl}}_4\right]}^{2-}, {\mathrm{BF}}_3, \mathrm{Fe}{\left(\mathrm{CO}\right)}_5$            [2024]

Q 6 :

Among the following ions, the $p\pi -d\pi$ overlap could be possible in

• $N{O}_3^{-}$

   

• $P{O}_4^{3-}$

   

• $C{O}_3^{2-}$

   

• $N{O}_2^{-}$