MHT-CET ✦ TEST PAPERS
Test
Paper
1.
CHEMISTRY ✦ Test Paper 1
➦ Some Basic Concepts of Chemistry
1
(Ch. 1 of 11th Std.)
➦ Structure of Atom (Ch. 2 of 11th Std.)
➦ Chemical Bonding (Ch. 3 of 11th Std.)
Lattice energy of an ionic compound depends
upon ........
(b) equal number of moles
(a) charge on the ion only.
(d) equal mass
(c) equal density
(b) size of the ion only.
8.
(c) packing of ions only.
(d) charge on the ion and size of the ion.
2.
3.
(a) BCl3 does not have a lone pair on boron
but NCl3 has a lone pair on nitrogen.
In the hydrogen atomic spectrum the
emission of the least energetic photon takes
place during the transition from n = 6 energy
level to n = ........ energy level.
(a) 1
(b) 3
(c) 5
(b) B – Cl bond is more polar than N – Cl
bond.
(c) N atom is smaller than boron atom.
(d) 4
(d) N – Cl bond has greater covalent
character than B – Cl bond.
Which of the following phenomena will occur
when two atoms of the elements having same
spin of electrons approach for bonding?
9.
(a) 1s2 2s2 2p2
(b) 1s2 2s2 2p1 3s1
(b) bonding will not occur.
(c) 1s2 2s2 3s2
(d) 1s2 2s3 2p1
10. The number of antibonding electron pairs on
O22– ion on the basis of MOT is ........
(d) all of the above.
How many moles of urea are present in 5.4 g?
(Molar mass = 60)
(a) 1.2
5.
7.
(b) 2.4
(c) 2.9
(a) 4
(d) 0.09
The mass number of an anion X is 14. If
there are ten electrons in the anion the
number of neutrons in the nucleus of the
atom of X will be ........
(b) 14
(c) 7
(b) n + 1
(c) n (n + 1)
(d) n2
(c) 2
(d) 5
(a) – 41 kJ mol–1
(b) –1312 kJ mol–1
(c) –164 kJ mol–1
(d) – 82 kJ mol–1
12. The most appropriate choice for old electron
molecules will be ........
(d) 5
The number of allowed orbital for a particular
shell is given by ........
(a) n
(b) 3
11. The energy of the second Bohr’s orbit of the
hydrogen atom is – 328 kJ mol–1, hence the
energy of the fourth Bohr orbit would be ........
3–
(a) 10
6.
Electronic configuration of Carbon (Z = 6)
is ........
(a) orbital overlap will not occur.
(c) the energy of the system increases.
4.
BCl3 molecule is planar but NCl3 molecule is
pyramidal because ........
(a) H2SO4 and SO3
+
(c) NO and NO2
(b) NO2 and NO
(d) NO and NO+
13. The volume of oxygen required for complete
combustion of 0.25 mole of methane at STP
is ........
Equal volumes of different gases at a fixed
temperature and pressure have ........
(a) equal weights
( C-1 )
(a) 22.4 dm3
(b) 11.2 dm3
(c) 7.46 dm3
(d) 5.6 dm3
MHT-CET ✦ TEST PAPERS
CHEMISTRY ✦ Test Paper 1
14. Which of the following metal halides is more
covalent?
(a) SbCl5
(b) SnCl2
(c) SbCl3
(d) PbCl2
(c) l = 3, m = – 3, – 2, –1, 0, +1, +2, +3
(d) l = 0, m = 0
23. Number of gram atoms of an element present
in one atom of the element is ........
15. The correct representation of electron in the
orbital for nitrogen (Z = 7) is ........
2s
2p
(b)
1s
2s
2p
1s
2s
2p
1s
2s
2p
16. The half-filled stability is achieved by
d-orbital when it has ........
(a) 6 electrons
(b) 10 electrons
(c) 5 electrons
(d) 14 electrons
(a) 2 × 1023
(b) 3 × 1023
(c) 4 × 1023
(d) 8 × 1023
(c) 11.2 L
(d) 112 L
(d) sp2
(a) 6.25 × 1014 Hz
(b) 4.8 × 109 Hz
(c) 5.25 × 109 Hz
(d) 2.25× 1014 Hz
(c) O2
(a) 120º
(b) 180º
(c) 105º
(d) 109º 28'
h
4π
h
(d) ∆ x · ∆ p ≥
6π
(b) ∆ x · ∆ p ≥
h
p
28. A sample of calcium carbonate has the
following percentage composition Ca = 40 %,
C = 12 %, O = 48 %. According to Law of
definite proportion the weight of calcium in
4 g of a sample of calcium carbonate from
another source will be ........
(At. wt. of Ca = 40, C = 12, O = 16)
21. Expanded octet is present in ........
(b) PCl5
(d) 11 and 10
(c) λ =
20. The wavelength of blue light is 480 nm. What
is the frequency of this light?
(a) BeF2
(c) 10 and 11
(a) E = mc2
19. At STP, the volume occupied by 5 mole of CO2
will be ........
(b) 22.4 L
(b) 10 and 10
27. According to Heisenberg uncertainty
principle ........
18. The type of hybridization of Cl atom in CIF3
molecule is ........
(a) 224 L
(a) 11 and 12
26. The bond angle around the atom which uses
sp2 hybrid orbitals is ........
17. The number of O3 molecules in 16 g of ozone
is approximately ........
(c) sp3d
(d) 6.022 × 1022
(a) Bond order = (Nb – Na)
1
(b) Bond order ∝
Bond enthalpy
1
(c) Bond order ∝
Bond length
(d) Bond order = (Na – Nb)
(d)
(b) sp3d2
(c) 1.66 × 10– 24
25. The correct option is ........
(c)
(a) sp3
(b) 6.022 × 1023
24. The number of electrons presents in Na+ ion
and Mg2+ ion are respectively ........
(a)
1s
(a) 1.66 × 1023
(d) N2
(a) 1.6 × 10– 2 g
(b) 0.2 g
(c) 1.6 g
(d) 0.1 g
29. The bond in the formation of fluorine
molecule will be due to ........
22. For n = 3, which of the following value of l
and m is not permissible ........
(a) l = 1, m = –1, 0, +1
(b) n = 2, m = – 2, –1, 0, +1, +2
( C-2 )
(a) s-s overlapping
(b) s-p overlapping
(c) p-p overlapping
(d) sp2 hybridization
MHT-CET ✦ TEST PAPERS
CHEMISTRY ✦ Test Paper 1
30. The value of n and l for orbital 4p is
respectively ........
(a) 2, 1
(b) 3, 1
(c) 4, 1
39. What is the geometry of water molecule?
(a) distorted tetrahedral
(d) 4, 2
(b) tetrahedral
31. The energy of electromagnetic radiation
is ........
(c) trigonal planar
(d) diagonal
(a) directly proportional to the amplitude of
the wave.
40. An atom is smallest indivisible particle of an
element, similarly molecules will be smallest
particle of ........
(b) directly proportional to the frequency of
the wave.
(c) inversely proportional to the frequency.
(d) directly proportional to the square of the
amplitude.
(b) 0
(c) + 1
(b) 1
(c) 2
(c) electronegativity of the bonded atoms
(d) bond enthalpy
42. Amount of oxygen required for complete
combustion of 32 g of CH4 will be ........
(d) 3
(M = metal atom)
(b) MCl
(c) MI
(b) VBT
(c) MOT
(d) VSEPR
(b) 40.8 eV
(c) 54.4 eV
(d) 108.8 eV
(b) 1 : 1
(c) 1 : 1837
(c) 64 g
(d) 132 g
(a) 3 × 10– 24 kg
(b) 18 × 10– 24 kg
(c) 3 × 10– 26 kg
(d) 18 × 10– 26 kg
(a) ΨABO = ΨA + ΨB – ΨA · ΨB
(b) ΨBO = ΨA + ΨB
(c) ΨABO = ΨA – ΨB = ΨB – ΨA
(d) both (b) and (c)
45. In ethylene, the number of bonds formed by
sp2-s overlap are ........
37. The ratio of the mass of an electron to the
mass of the proton is ........
(a) 1 : 2
(b) 32 g
44. Which of the following relations is not
correct?
36. If the first ionization energy of ‘H’ atom is
13.6 eV, then the 2nd ionization energy of ‘He’
atom is ........
(a) 27.2 eV
(a) 128 g
43. The mass of one molecule of water is ........
(d) MBr
35. O 2 molecule is paramagnetic. This is
explained on the basis of ........
(a) Hybridization
(d) compound
(b) partial charge on the atoms
(d) – 3
34. Identify the metal halide from the following
having highest ionic character.
(a) MF
(c) substance
(a) size of atoms
33. The number of lone pairs of electrons present
on the central atom of CIF3 is ........
(a) 0
(b) mixture
41. The ionic character in covalent bonds
depends on ........
32. What is the formal charge on N atom in NH4+
ion?
(a) –1
(a) element
(a) 2
(d) 1 : 3
(b) 5.6 × 1014 Hz
(c) 4.5 × 109 Hz
(d) 3 × 109 Hz
(c) 4
(d) 3
46. Which of the following is incorrect w.r.t. value
of lattice energies of the compounds given?
38. The wavelength of a spectral line of caesium
is 460 nm. What is the frequency of spectral
line?
(a) 6.5 × 1014 Hz
(b) 1
(a) AlCl3 < CaCl2 < KCl
(b) AlCl3 > CaCl2 > KCl
(c) LiF < NaF < KF
(d) NaF > KF > LiF
( C-3 )
MHT-CET ✦ TEST PAPERS
CHEMISTRY ✦ Test Paper 1
47. The number of molecules of MgO present in
10 g of MgO are ....... (Mg = 24, O = 16)
(a) 1.505 × 1024
(b) 15.05 × 1022
(c) 15.05 × 1023
(d) 1.505 × 1022
(c) 100 mL of SO2 at STP.
(d) 50 mL of N2 at STP.
49. The paramagnetic species among the
following is ........
48. Which of the following contains maximum
number of molecules?
(a) H2
(b) N2
(c) B2
(d) Be2
50. Find the value of –197 ºC temperature in
Kelvin.
(a) 300 mL of CO2 at STP.
(b) 200 mL of NH3 at STP.
(a) 470 K (b) 760 K (c) 76 K
(d) 47 K
❏❏❏
( C-4 )