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Q.1 Three soluble
salts of three metals A (Atomic weight 7), B (atomic weight 27) and C (atomic
weigh 64) on electrolysis liberate 2.1, 2.7 and 9.6 grams of metals,
respectively at the electrode. The valencies of the metals are, respectively ,
(A) 1, 3 and 2
(B) 3, 1 and 2
(C) 3, 1
and 3
(D) 2, 2 and 3
Q.2 Incorrect information about Cl2O is
(A) angular structure
(B) 110° bond angle
(C) four lone pairs
(D) two s bonds
Q.3 Maximum energy
is released from which process ?
(A) F + F ® F2
(B) N + N ® N2
(C)
Cl + Cl ® Cl2
(D) O + O ® O2
Q.4 False statements about CO2 is that
(A) its dipole moment is zero
(B) its solid form is called dry ice
(C) it is diamagnetic
(D)
hybridisation state of C and O is same
Q.5 What will be the energy of the system on
bringing x and y atoms closer upto bond distance ?
(A) infinity
(B) minimum
(C)
maximum
(D) zero
Q.6 Bond angle of HCN is similar to all of
the following except
(A) BeF2
(B)
C2H2
(C) OF2
(D)
CO2
Q.7 When a molecule breaks, then
(A) it absorbs energy
(B)
it transmits energy
(C) it neither transmit nor absorbs
energy
(D) it transmit as
well as absorbs energy
Q.8 Which of the following statements in
true for hybridisation ?
(A) sp3 hybridisation is found in SiF4. SnCl4. ClO4–, SO4–2, NH4+ and NH3
(B) sp hybridisation is found in BeCl2, BeF2 , BeH2, Hg Cl2. ZnCl2, CO2, C2H2 and HCN
(C) sp2 hybridisation is found in BeF3–, BCl3, BH3, C2H4 AlCl3, NO3–1
(D) all
of the above are correct.
Q.9 Which of the following statements is
true for [Cu(NH3)4]2+ ?
(A) tetrahedral
configuration and all paired electrons
(B) square
planar configuration and one unpaired electron
(C) square
planar configuration and all paired electrons
(D) none
of the above
Q.10What is the reason that ionic compounds
do not show stereo isomerism
(A) presence of ions
(B)
nondirectional nature of ionic bond
(C) brittle nature
(D) electrostatic
forces of attraction between ions
Q.11In which of the following compounds, the
coordinate bond is not present ?
(A) CuSO4
(B)
H2O
(C) BF4–
(D)
AlCl4–
Q.12Bond length of which of the following
types of bonds is maximum ?
(A) sp2 – sp2
(B) sp
– sp
(C) sp3 – sp3
(D) sp3 – sp2
Q.13Which of the following is correct for CO2 ?
(A) nonpolar with polar bonds
(B) polar with nonpolar bonds
(C) polar with polar bonds
(D) all of the above are wrong
Q.14Which of the following statements is
true ?
(A) there
is H-bonding in aqueous hydrochloric acid
(B) dipole
moment of NF3 is more than the dipole moment of NH3
(C) dipole
moment of CCl4 is less than the dipole moment of CHi3
(D) positions
of atoms get changed in resonance
Q.15In a compound, 50% X (valency 1) and
50% Y (valency 1) are present, then the
formula of the compound will be
(A) X2Y
(B)
XY
(C) XY2
(D) X2Y3
Q.16Electronic configuration of an atom is
ns2 np2 , which
forms 2s
and 2p
bonds in a hydrocarbon, then hybridisation state and bond angle of the atom
will be
(A) sp, 180°
(B) sp2, 120°
(C) sp3, 109° 28
(D) dsp2, 90°
Q.17Which of the following compound is not known ?
(A) OF2
(B)
SF4
(C) SF6
(D)
OF6
Q.18Which of the following bonds should have higher
polarity than the remaining three –
(A) C – F
(B) C – O
(C)
C – B
(D) C – H
Q.19Which of the following has maximum melting
point ?
(A) ionic crystal
(B) covalent crystal
(C) metallic crystal
(D) molecular crystal
Q.20Inorganic graphite is –
(A) boron nitrate
(B) boron nitride
(BN)
(C) boron carbonate
(D) none of the
above
Q.21The type of bond between the layers in graphite
is –
(A) vander waals force
(B) covalent
(C) coordinate
(D) ionic
Q.22Anhydrous HCl is –
(A) an acid
(B) a base
(C)
a salt
(D) a covalent
compound
Q.23Which of the following has ionic and covalent
bonds ?
(A) OF2
(B)
KCl
(C) AIN
(D) KCN
Q.24Which of the following oxides is most acidic ?
(A) MnO2
(B)
Mn2O3
(C) Mn2O7
(D)
MnO
Q.25Which of the following has least bond energy –
(A) C – O
(B) C = O
(C)
C – C
(D) C = C
Q.26Which of the following has minimum bond energy
–
(A) O – H
(B) Cl – H
(C)
C – H
(D) N – H
Q.27p – p overlapping is not possible in –
(A) Cl2
(B)
O2
(C) N2
(D) H2
Q.28A s bond is formed O2 by overlapping of –
(A) 2py – 2pz
(B) 2py – 2s
(C)
2pz – 2s
(D)
2pz – 2pz
Q.29Highest bond angle will be in –
(A) H2O
(B)
H2S
(C) H2Se
(D)
H2Te
Q.30Which of the following ions has tetrahedral
geometry –
(A) Na+
(B)
NH4+
(C) Mg+2
(D)
CO3–2
Q.31Which of the followin molecules has
hybridisdation on central atom different from that on the remaining three ?
(A) SiH4
(B)
CH4
(C) BF4–
(D)
[Ni(CN4)–2]
Q.32Which of following has square planar geometry ?
(A) XeF4
(B)
SiCl4
(C) NH4+
(D)
BF4–1
Q.33Molecule having zero dipole moment is –
(A) CH2Cl2
(B)
NF3
(C) BF3
(D)
ClO2–1
Q.34Hybridisation state of carbon changes as
follows. sp3 ® sp2 ® sp, then the
angels of hybrid orbitals will –
(A) remain unchanged
(B) go on increasing
(C) go on decreasing
(D) first inct
Q.35CCl4 is a
covalent compound, whereas LiCl is less covalent, because –
(A) C – Cl bond is nonpolar
(B) charge on CCl4 is more
(C)
Li – Cl bond is polar
(D) moment of
Li – Cl is not definite
Q.36Shape of xenon hexafluoride is –
(A) tetrahderal
(B) distorted
pentagonal bipyramidal
(C) square planar
(D)
octahedral
Q.37CO2 is
isostructural with –
(A) SnCl2
(B)
HgCl2
(C) ZnI2
(D)
OH2
Q.38Which of the following statements is correct ?
(A) bond
order is a measure of the strength of the bond.
(B) bond
order is equal to the number of bonds present in a molecule
(C) greater
the bond order, more paramagnetic is the molecule
(D) none
of the above
Q.39Octahedral shape exists in hybridization –
(A) sp3d
(B)
sp3d2
(C) sp3d3
(D)
none of these
Q.40A : tetracyanomethane B : carbondioxide
C : benzene D
: 1, 3-buta-di-ene
Ratio of s and p bonds is in order :
(A) A = B < C < D
(B) A = B < D < C
(C) A =
B = C = D
(D) C < D < A < B
Q.41Which of the following is not paramagnetic –
(A) S2–
(B)
NO
(C) O2–
(D) N2–
Q.42The dipole moment of a molecule of the type AX4 having a square planar geometry is –
(A) O
(B)
4D
(C) 2D
(D) none of the above
Q.43The nodle plane in the p–bond of ethene
is located in –
(A) the
molecular plane
(B) a
plane parallel to the molecular plane
(C) a
plane perpendicular to the molecular plane which bisect the carbon-carbon s bond at right angle
(D) a
plane perpendicular to the molecular plane which contains the carbon-carbons s bonds
Q.44The type of bonds present in CuSO4.5H2O are
.............. only –
(A) electrovalent and covalent
(B) electrovalent and co-ordinate
(C) electrovalent, covalent and
co-ordinate
(D) covalent and
co-ordinate
Q.45The structure of XeF4 is –
(A)
planer
(B) tetrahedral
(C) square planar
(D) pyramidal
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