Intramolecular hydrogen bonding is present in:
1.  2. 
3.  HF 4. 
Subtopic:  van der Waal Force & Hydrogen Bonding |
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Match List I with List II.
List I
(Compound)
List II
(Shape/geometry)
A. NH3 I. Trigonal Pyramidal
B. BrF5 II. Square planar
C. XeF4 III. Octahedral
D. SF6 IV. Square Pyramidal
Choose the correct answer from the option given below:

1. A-II, B-IV, C-III, D-I
2. A-III, B-IV, C-I, D-II
3. A-II, B-III, C-IV, D-I
4. A-I, B-IV, C-II, D-III
Subtopic:  V.S.E.P.R & V.B.T |
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Which one of the following statements is correct?
1. BF3 has non-zero dipole moment.
2. The dipole moment of NF3 is greater than that of NH3.
3. Three canonical forms can be drawn for \(\text{CO}_3^{2-}\) ion.
4. Three resonance structures can be drawn for ozone.
Subtopic:  Polarity | Resonance & Nature of Compounds |
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Which one of the following molecules is paramagnetic?

1. \(\mathrm{H}_2\)
2. \(\mathrm{Li}_2\)
3. \(\mathrm{C_2}\)
4. \(\mathrm{O}_2\)
Subtopic:  M.O.T |
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Arrange the following hydrides in the order of decreasing bond angle:
A. \( \mathrm{SbH}_3 \)
B. \( \mathrm{AsH}_3 \)
C. \(\mathrm{PH}_3 \)
D. \( \mathrm{NH}_3\)
Choose the correct answer from the options given below:
1. B > A > D > C 2. B > A > C > D 
3. D > C > B > A  4. A > C > B > D
Subtopic:  V.S.E.P.R & V.B.T |
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The correct shape and hybridisation of \(\text{BrF}_5\) is:

1. Square pyramidal and \(\text{sp}^3\text{d}^2\)
2. Square pyramidal and \(\text{d}^2\text{sp}^3\)
3. Trigonal bipyramidal and \(\text{sp}^3\text{d}^2\)
4. Trigonal bipyramidal and \(\text{d}^2\text{sp}^3\)
Subtopic:  V.S.E.P.R & V.B.T |
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Which pair of the following compounds has one lone pair of electrons on the central atom?
1. \(\mathrm{SF}_4, \mathrm{BrF}_5\) 2. \(\mathrm{SF}_4, \mathrm{ClF}_3\)
3. \(\mathrm{ClF}_3, \mathrm{XeF}_4\) 4. \(\mathrm{XeF}_4, \mathrm{BrF}_5\)
Subtopic:  V.S.E.P.R & V.B.T |
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Which of the following molecules has "NON ZERO" dipole moment value? 
1. \(\mathrm{CCl_4}\) 2. \(\mathrm{HI}\)
3. \(\mathrm{CO_2}\) 4.  \(\mathrm{BF}_3\)
Subtopic:  Polarity |
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Match List-I with List-II:
List-I 
(Atom/Molecule) 
List-II
(Property)
A. Nitrogen  I.   Paramagnetic
B. Fluorine molecule  II. Most reactive element in group 18 
C. Oxygen molecule  III. Element with highest ionisation enthalpy in group 15 
D. Xenon atom  IV. Strongest oxidising agent 
Identify the correct answer from the option given below:
1. A- III, B-I, C-IV, D-II 2. A-I, B-IV, C-III, D-II
3. A-II, B-IV, C-I, D-II 4. A-III, B-IV, C-I, D-II
Subtopic:  M.O.T |
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Match Column I (Molecule) with Column II (Bond enthalpy) and mark the correct option:
Column-I 
(Molecule) 
Column-II
(Bond enthalpy) 
\(\left(k J \mathrm{~mol}^{-1}\right)\)
A.  HCl I.  435.8
B. \(\mathrm{N_2}\) II.  498
C.  \(\mathrm{H_2}\) III.  946.0
D.  \(\mathrm{O_2}\) IV.  431.0

1. A-III, B-IV, C-I, D-II
2. A-IV, B-I, C-III, D-II
3. A-IV, B-III, C-II, D-I 
4. A-IV, B-III, C-I, D-II
Subtopic:  Types of Chemical Bond |
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