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Q.1 Which of the
following has zero dipole moment ?
(A) NH3
(B) H2O
(C) BCl3
(D) SO2
Q.2 Which of the following has maximum bond
energy ?
(A) H – O – H
(B) H – S – H
(C) H – Te – H
(D) H – Se – H
Q.3Which of the following statements is
false ?
(A) there
will be 25% s character in hybrid orbitals if the angle between two hybrid
orbital is 105°
(B) in
HClO4. HClO3 and HClO2 . number of valance electrons will be 32.26
and 20. respectively
(C) bond
length is inversely proportional to bond order
(D) dipole
moment of CH2Cl2 is zero
Q.4 The bond present in CuSO4.5H2O
will be
(A) ionic bond and hydrogen bond
(B) covalent bond
(C) coordinate bond
(D) all of the above
Q.5 Which of the following order is correct
for acidic strength
(A) HF < HCl < HBr < HI
(B) HF > HCl > HBr > HI
(C) HF < HCl > HBr > HI
(D) HI > HCl > HF > HBr
Q.7 Which of the following ions gives
cyanide ion in aqueous solution ?
(A) potassium ferrocyanide
(B) potassium ferricyanide
(C) potassium cyanide
(D) potassium cobaltcyanide
Q.8Nature of bond between two nonmetal
atoms will be
(A) Van der waals
(B) covalent
(C) ionic
(D) all of the above
Q.9If the formula of a compound is X2 Y5, then what will be the numbers of
electrons present in the valance shells of X and Y, respectively ?
(A) 5 and 6
(B) 6 and 3
(C) 2 and 3
(D) 5 and 2
Q.10The compound with two lone pairs and two
bond electrons is
(A) SCl2
(B) PH3
(C) NH3
(D) HF
Q.11Which of the following has maximum
melting point ?
(A) SiC
(B) Al4Cl3
(C) CO2
(D) Cl2
Q.12Covalent compound is
(A) K2O
(B) Cl2O
(C) CaO
(D) MgO
Q.13A molecule MX3 has zero dipole moment. The orbitals used by M
in the formation of s bond will be-
(A) pure p
(B) sp2
(C) sp
(D) sp3d
Q.14 Which of the following ions has an atom
in a state of sp2 hybridisation ?
(A) BeF3–
(B) NF3
(C) OF2
(D) H3O+
Q.15Which of the following statements is
false for BF3 ?
(A) it is a Lewis acid
(B) it fiorms an addition produced
with ammonia
(C) it is a planar molecule
(D) it has ionic character
Q.16Maximum bond length is shown in
(A)
CO2
(B)
CH4
(C)
NH3
(D)
H2O
Q.17Which of the following does not have H -
bond ?
(A) water
(B) phenol
(C) liquefied HCl
(D) Liquefied NH3
Q.18Coordinate bond is formed in
(A) NaCl
(B) NH4Cl
(C) Cl2
(D) BCl3
Q.19Both the compounds of which pair have
linear geometry ?
(A) SO2,
SnCl2
(B) CO2, BeH2
(C) SO2., CO2
(D) SO2, H2O
Q.20XPO4 is a compound of a metal X, then the formula
of the chloride of X will be
(A) XCl3
(B) XCl
(C) X2Cl3
(D) X2Cl2
Q.21Which of
the following has pyramidal geometry ?
(A) PCl3
(B) SO3
(C) CO3–2
(D) NO3–
Q.22Select the correct statement.
(A) (CF3)3N
is a base, whereas (CH3)3N is not
(B) PbCl2 melts at 606° C. whereas PbCl4 melts at 114°C
(C) NaCl
is soluble in petrol
(D) Dipole moment of BF3 is high
Q.23False statement is
(A) SnCl2 is white and SnI2 is coloured
(B) Boiling
point of H2O is higher than
H2S
(C) Water
is capable of extinguishing fire of petrol
(D) Glucose
forms H-bonds with water
Q.24Lewis structure of carbon suboxide (C3O2)
in ground state is
(A) O : C : : : C : C ::: O :
(B) : O :: C : C : C :: O :
(C) : :: C :: C :: C :: :
(D) : O :: C :: C :: C :: O :
Q.25Which of the following hypothesis
justifies that the bond angle of H2S
is 92° ?
(A) Lewis structure
(B) Valence bond theory
(C) Valance bond concept of hybrid
orbitals
(D) Octet rule
Q.26Geometry of a molecule in which the
central atom has 50% p character, will be
(A) linear
(B)
tetrahedral
(C) trigonal
(D) distorted tetrahedral
Q.27Configuration of the cation of which of
the following metals is ns2, np6 ,
ndx type, and the total value of 2 + 6 + x is nine
to eighteen ?
(A) alkali metal
(B) alkaline earth metal
(C) inert metal
(D) d block metal
Q.28Pb+4 is less stable than Pb+2, because of
(A) inert pair effect
(B) small size
(C) high ionisation potential
(D) high electronegatively
Q.29The element showing highest valency is –
(A) Cl
(B) I
(C) F
(D) Br
Q.30Increasing order of dipole moment in H2O, NH3,
NF3 and CCl4 is
(A) CCl4 < NF3 < NH3 < H2O
(B) CCl4 > NF3 > NH3 > H2O
(C) NF3 > H2O
> CCl4 > H2O
(D) all the four have equal dipole
moments
Q.31Species in which peroxide ion is not
present is
(A)
PbO2
(B)
H2O2
(C)
SrO2
(D)
A and B both
Q.32If s character decreases in hybrid
orbital, then bond angle
(A)
decreases
(B)
increases
(C)
remains uncertain
(D)
all are wrong
Q.33Which of the following compounds does not
have a coordinate bond ?
(A) SO3
(B) H2SO4
(C) H2SO3
(D) HNO2
Q.34Maximum covalency of an element is
(A) the number of unpaired s
electrons
(B) number of unpaired s and p
electrons
(C) number of unpaired d electrons
(D) number of s and p electrons
present in valance shell
Q.35Which of the following molecules
consists of only covalent bonds ?
(A) KCl
(B) PCl3
(C) NH4Cl
(D) BaClO4
Q.36Number of hybrid orbitals is equivalent to
(A) the
atomic orbitals participating in hybridisation
(B) electrons
participating in the process
(C) number
of unpaired electrons in the valence shell
(D) vacant
orbitals in valence shell
Q.37When electron cloud of an anion is
shared by the cation, then the polar bond so formed exhibits which of the
following characters ?
(A) covalent
(B) metallic
(C) coordinate
(D) van der waals
Q.38 Which of the following types of bond in
an inorganic compound undergoes dissociation to gives ions?
(A) coordinate
(B) covalent
(C) electrovalent
(D) hydrogen bond
Q.39What will be the ionic potential , when
nature of the oxide of a metal is basic ?
(A) > 2.2 and < 3.2
(B) > 2.2
(C) > 3.2
(D) < 2.2
Q.40Which of the following does not have sp3 hybridisation ?
(A) BF4–
(B) H3O+
(C) OF2
(D) BF3
Q.41sulphur have
maximum covalency –
(A) 3
(B) 4
(C) 5
(D) 6
Q.42Which of the following has least ionic
character ?
(A) Cu2Cl2
(B) KCl
(C) CsCl
(D) BaCl2
Q.43Which of the following are correctly
matched ?
Compound
Hybridisation
1. Graphite –
sp3
2. NH4+ – sp2
3. XeF2 – sp3d2
4. SF4 – sp3d
(A) 4
(B) 3
(C) 2
(D) 1
Q.44Formula of the phosphate of a metal is
MHPO4. What will be
the formula of its chloride
(A) MCl
(B) MCl2
(C) MCl3
(D) M2Cl2
Q.45The central atom of which of the
following compounds has four bond pairs and two lone pairs
(A) SF4
(B) XeF4
(C) NH+4
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