1. JAI GURUDEV CHEMISTRY CLASSES // BY: AJEET KUMAR // M.N. 7209985022// Email- ajajeetkumar56@gmail.com
Unit-04 CHEMICAL BONDING PRACTICE SET-01
1. Incorrect matching among the following is :
(I) Linear – H2O, SO2
(II) V-Shape – :CH2,SnCl2
(III) Sea-Saw –SF4,TeCl4
(IV) T-shaped – ICl3,ClF3
(a) Only I (b) Only III
(c) Both I & II (d) Both III & IV
2. Likely bond angles of SF4 molecule are :
(a)890
,117O
(b) 1200
,180O
(c) 450
,118O
(d) ,117O
, 92O
3. Pentagonalbipyramidal structure contains
bond angles approximately :
(a)120O
,900
,180O
(b) 120O
,720
,180O
(c) 72O
,900
,120O
(d) 72O
,900
,180O
4. Among the following molecules:
SO2, SF4, ClF3, BrF5 and XeF4
which of the following shapes does not
describe any of the following molecules
mentioned?
(a) Bent (b) trigonal pyramidal (c) Sea-Saw
(d) t-shape (e) Square pyramidal
5. The hybridization of orbitals of N atom in
NO3
-
, NO2
+
and NH4
+
are respectively
(a) sp,sp2
,sp3
(b) sp2
,sp,sp3
(c) sp,sp3
,sp2
(d) sp2
,sp3
,sp
6. Which of the two ions from the list given
below that have the geometry that is
explained by same hybridization of orbitals?
NO2
_
, NO3
_
, NH2
_
,NH4
+
,SCN-
[AIPMT 2011]
(a) NO2
_
& NO3
_
(b) NH4
+
& NO3
_
,
(c) SCN-
& NH2
_
(d) NO2
_
& NH2
_
7. Which of the following conversions involve
change in both hybridization and shape?
(a) CH4 C2H6 (b) NH3 NH4
+
(c) BF3 BF4
_
(d) H2O H3O +
8. The species having pyramidal shape
(a) SO3 (b) BrF3 (c) SiO3
2-
(d) OsF2
9. Which of the following shows square
pyramidal geometry?
(a) XeF6 (b) XeO3 (c) XeF4 (d) BrF5
10. Which of the following has a regular
geometry?
(a) CHCl3 (b) PCl3 (c) XeF6 (d) SF4
11. In which of the following molecules the
central atom does not have sp3
-
hybridisation?
(a) CH4 (b) SF4 (c) BF4
_
(d) NH4
+
12. Out of H2O,NO2
_
,N3
-
N2O,SO2,I3
+
,I3
-
, the
linear species are:
(a) NO2
_
, I3
+
, H2O (b) N2O, I3
+
, N3
-
(c) N2O, I3
-
, N3
-
(d) N3
-
, I3
+
, SO2
13. In which of the following molecules/ions
BF3, NO2
-
, NH2
-
and H2O the central atom is
sp2-hybridisation?
(a) NH2
-
&H2O (b) NO2
-
, &H2O
(c) BF3 & NO2
-
(d) NO2
-
& NH2
-
14. In which of the following pairs, two species
are isostructural?
(a) SO3
2-
& NO3- (b) BF3 & NF3
(c) BrO3
-
& XeO3 (d) SF4 & XeF4
15. Match the compounds in the list-I and List-II
List-I List-II
(A)XeO3 (i) Planar triangular
(B) XeOF4 (ii) T-shape
(C) BO3
3-
(iii)Trigonal pyramidal
(D) ClF3 (iv)Square pyramidal
(E)I3
-
(v)Linear
. (vi) Bent
(a) A-I,B-iv,C-iii,D-ii,E-v
(b) A-ii,B-iv,C-i,D-iii,E-vi
(c) A-iii,B-iv,C-i,D-ii,E-vi
(d) A-iii,B-iv,C-i,D-ii,E-v
16. A square planar complex is formed by
hybridization of which atomic orbital?
(a) s,px,py,pz (b) s,px,py,dz2
(c) s,px,py,dx2-y2 (d) s,px,py,dxy
17. In a regular octahedral molecule MX6 , the
number of X-M-X bonds at 180O
are :
(a) 3 (b) 2 (c) 6 (d) 4
18. In BrF3 molecule, the lone pairs occupy
equatorial position around Br-atom to
minimize :
(a) lone pair bond pair repulsions only
(b) bond pair-bond pair repulsions only
(c) lone pair- bond pair as well as lone pair-
lone pair repulsion
(d) lone pair- lone pair repulsion only
19. The maximum number of 90O angles
between bond pair-bond pair of electrons is
observed in
(a) sp3
d2
-hyb (b) sp3
d-hyb
(c) dsp3
-hyb (d) dsp2
-hyb
20. In which of the following molecules/ions
are all the bond not equal?
(a) SF4 (b) SiF4
(c) XeF4 (d) BF4
-