Chemical Bonding and Molecular Structure PYQs - Last 10 Years
AP EAPCET / Chemistry / Inorganic Chemistry / 75 recent questions
ChemistryInorganic Chemistry2016-2025
Practice 75 AP EAPCET Chemistry questions from Chemical Bonding and Molecular Structure. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Last 10 Years Chemical Bonding and Molecular Structure Questions
Showing 50 of 75 filtered questions.
1Chemical Bonding And Molecular Structure
The order of dipole moments of $\mathrm{H}_2 \mathrm{O}(A), \mathrm{CHCl}_3(B)$ and $\mathrm{NH}_3(C)$ is
MCQ+1 / -02025
2Chemical Bonding And Molecular Structure
\(\text { Which of the following sets are correctly matched? }\)
$$ \begin{array}{llll} \hline & \text { Molecule } & \text { Hybridisation } & \text { Geometry } \\ \hline \text { I. } & \mathrm{BrF}_5 & s p^3 d^2 & \text { Square pyrami...
$$ \begin{array}{llll} \hline & \text { Molecule } & \text { Hybridisation } & \text { Geometry } \\ \hline \text { I. } & \mathrm{BrF}_5 & s p^3 d^2 & \text { Square pyrami...
MCQ+1 / -02025
3Chemical Bonding And Molecular Structure
The sum of bond order of $\mathrm{O}_2^{2+}, \mathrm{O}_2^{2-}, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}, \mathrm{O}_2$ and sum of the unpaired electrons present in them respectively are
MCQ+1 / -02025
4Chemical Bonding And Molecular Structure
The correct order of increasing bond lengths of $\mathrm{C}-\mathrm{H}$, $\mathrm{O}-\mathrm{H}, \mathrm{C}-\mathrm{C}$ and $\mathrm{H}-\mathrm{H}$ is
MCQ+1 / -02025
5Chemical Bonding And Molecular Structure
\(\text { Which of the following sets are correctly matched? }\)
$$ \begin{array}{llcc} \hline & \text { Molecule } & \begin{array}{c} \text { Number of lone } \\ \text { pair of electrons } \\ \text { on central atom } \end{array} & \tex...
$$ \begin{array}{llcc} \hline & \text { Molecule } & \begin{array}{c} \text { Number of lone } \\ \text { pair of electrons } \\ \text { on central atom } \end{array} & \tex...
MCQ+1 / -02025
6Chemical Bonding And Molecular Structure
\(\text { Match the following }\)
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-br...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-br...
MCQ+1 / -02025
7Chemical Bonding And Molecular Structure
Observe the following molecules/ions $\mathrm{NH}_4^{+}, \mathrm{NH}_3, \mathrm{BF}_3, \mathrm{OH}^{-}, \mathrm{CH}_3^{+}, \mathrm{H}^{+}, \mathrm{CO}, \mathrm{C}_2 \mathrm{H}_4$.
The number of Lewis bases in the above list is
The number of Lewis bases in the above list is
MCQ+1 / -02025
8Chemical Bonding And Molecular Structure
The number of molecules having lone pair of electrons on central atom in the following is
$\mathrm{BF}_3, \mathrm{SF}_4, \mathrm{SiCl}_4, \mathrm{XeF}_4, \mathrm{NCl}_3, \mathrm{XeF}_6, \mathrm{PCl}_5, \mathrm{HgCl}_2, \mathrm{SnCl}_2$
$\mathrm{BF}_3, \mathrm{SF}_4, \mathrm{SiCl}_4, \mathrm{XeF}_4, \mathrm{NCl}_3, \mathrm{XeF}_6, \mathrm{PCl}_5, \mathrm{HgCl}_2, \mathrm{SnCl}_2$
MCQ+1 / -02025
9Chemical Bonding And Molecular Structure
A molecules has T -shape. The total number of electron pairs in the valence shell of central atom of it is
MCQ+1 / -02025
10Chemical Bonding And Molecular Structure
The sum of bond order values of $\mathrm{C}_2$ and $\mathrm{O}_2^{2+}$ is $x$, which is equal to sum of bond order values of $a, b$ and $c$. What are $a, b$ and $c$ ?
MCQ+1 / -02025
11Chemical Bonding And Molecular Structure
Identify the pair of molecules which have same hybridisation as the hybridisation in xenon (II) fluoride.
MCQ+1 / -02025
12Chemical Bonding And Molecular Structure
Identify the set containing isoelectronic species
MCQ+1 / -02025
13Chemical Bonding And Molecular Structure
Consider the following
Assertion (A) Dipole moment of $\mathrm{NF}_3$ is lesser than $\mathrm{NH}_3$.
Reason (R) In $\mathrm{NF}_3$, the orbital dipole due to lone pair of electrons is in the opposite direction to the resultant dipole momen...
Assertion (A) Dipole moment of $\mathrm{NF}_3$ is lesser than $\mathrm{NH}_3$.
Reason (R) In $\mathrm{NF}_3$, the orbital dipole due to lone pair of electrons is in the opposite direction to the resultant dipole momen...
MCQ+1 / -02025
14Chemical Bonding And Molecular Structure
How many of the following molecules / ions have trigonal planar structure?
\(\mathrm{BO}_3^{3-}, \mathrm{NH}_3, \mathrm{PCl}_3, \mathrm{BCl}_3, \mathrm{ClF}_3, \mathrm{XeO}_3\)
\(\mathrm{BO}_3^{3-}, \mathrm{NH}_3, \mathrm{PCl}_3, \mathrm{BCl}_3, \mathrm{ClF}_3, \mathrm{XeO}_3\)
MCQ+1 / -02025
15Chemical Bonding And Molecular Structure
The pair of molecules / ions with the same bond order value is
MCQ+1 / -02025
16Chemical Bonding And Molecular Structure
How many of the following molecules have two lone pairs of electrons on central atom?
$\mathrm{SF}_6, \mathrm{BF}_3, \mathrm{ClF}_3, \mathrm{PCl}_5, \mathrm{BrF}_5, \mathrm{XeF}_4, \mathrm{H}_2 \mathrm{O}, \mathrm{SF}_4$
$\mathrm{SF}_6, \mathrm{BF}_3, \mathrm{ClF}_3, \mathrm{PCl}_5, \mathrm{BrF}_5, \mathrm{XeF}_4, \mathrm{H}_2 \mathrm{O}, \mathrm{SF}_4$
MCQ+1 / -02025
17Chemical Bonding And Molecular Structure
The increasing order of number of lone pair of electrons on the central atom of the following molecules is
(I) $\mathrm{ClF}_3$
(II) $\mathrm{XeF}_2$
(III) $\mathrm{SF}_4$
(IV) $\mathrm{SiH}_4$
(I) $\mathrm{ClF}_3$
(II) $\mathrm{XeF}_2$
(III) $\mathrm{SF}_4$
(IV) $\mathrm{SiH}_4$
MCQ+1 / -02025
18Chemical Bonding And Molecular Structure
Consider the following changes I and II
\(\mathrm{O}_2^{-} \underset{\text { II }}{\longleftarrow} \mathrm{O}_2 \xrightarrow[\text { I }]{ } \mathrm{O}_2^{+}\)
The correct statements about these changes (I) and (II) in accordance with MO ...
\(\mathrm{O}_2^{-} \underset{\text { II }}{\longleftarrow} \mathrm{O}_2 \xrightarrow[\text { I }]{ } \mathrm{O}_2^{+}\)
The correct statements about these changes (I) and (II) in accordance with MO ...
MCQ+1 / -02025
19Chemical Bonding And Molecular Structure
Identify the correct set of molecules with zero dipole moment
MCQ+1 / -02025
20Chemical Bonding And Molecular Structure
Identify the set of molecules in which the central atom has only one lone pair of electrons in their valence shells
MCQ+1 / -02024
21Chemical Bonding And Molecular Structure
Which of the following sets are correctly matched?
(i) $\mathrm{B}_2 \mathrm{H}_6$ - electron deficient hydride
(ii) $\mathrm{NH}_3$ - electron precise hydride
(iii) $\mathrm{H}_2 \mathrm{O}$ - electron rich hydride
(i) $\mathrm{B}_2 \mathrm{H}_6$ - electron deficient hydride
(ii) $\mathrm{NH}_3$ - electron precise hydride
(iii) $\mathrm{H}_2 \mathrm{O}$ - electron rich hydride
MCQ+1 / -02024
22Chemical Bonding And Molecular Structure
Which of the following is /are ionic in nature?
(i) $\mathrm{GeF}_4$
(ii) $\mathrm{SnF}_4$
(iii) $\mathrm{PbF}_4$
The correct option is
(i) $\mathrm{GeF}_4$
(ii) $\mathrm{SnF}_4$
(iii) $\mathrm{PbF}_4$
The correct option is
MCQ+1 / -02024
23Chemical Bonding And Molecular Structure
The bond order of which of the following two species is same?
MCQ+1 / -02024
24Chemical Bonding And Molecular Structure
\(\text { In the given structure of diborane } \theta_1, \theta_2 \text { are respectively }\)
MCQ+1 / -02024
25Chemical Bonding And Molecular Structure
In which of the following sets the sum of bond orders of three species is maximum ?
MCQ+1 / -02024
26Chemical Bonding And Molecular Structure
In which of the following, there is no change in hybridisation of the central atom ?
MCQ+1 / -02024
27Chemical Bonding And Molecular Structure
The number of lone pairs of electrons on the central atom of $\mathrm{BrF}_5, \mathrm{XeO}_3, \mathrm{SO}_2$ respectively are
MCQ+1 / -02024
28Chemical Bonding And Molecular Structure
The basicity of $\mathrm{H}_3 \mathrm{PO}_2, \mathrm{H}_3 \mathrm{PO}_3 \cdot \mathrm{H}_3 \mathrm{PO}_4$ respectively is
MCQ+1 / -02024
29Chemical Bonding And Molecular Structure
The shape of colourless neutral gas formed on thermal decomposition of ammonium nitrate is
MCQ+1 / -02024
30Chemical Bonding And Molecular Structure
Species $A, B, C, D$ formed in the following bond cleavages respectively are
MCQ+1 / -02024
31Chemical Bonding And Molecular Structure
\(\text { Observe the following sets. }\)
$$ \begin{array}{lll} \hline \text { Order } & \text { Property } \\ \hline \text { (i) } \mathrm{NH}_3>\mathrm{H}_2 \mathrm{O}>\mathrm{SO}_2 & \text { Bond angle } \\ \hline \text { (ii) } \mathr...
$$ \begin{array}{lll} \hline \text { Order } & \text { Property } \\ \hline \text { (i) } \mathrm{NH}_3>\mathrm{H}_2 \mathrm{O}>\mathrm{SO}_2 & \text { Bond angle } \\ \hline \text { (ii) } \mathr...
MCQ+1 / -02024
32Chemical Bonding And Molecular Structure
Which of the following orders are correct regarding their covalent character?
(i) $\mathrm{KF}<\mathrm{KI}$
(ii) $\mathrm{LiF}<\mathrm{KF}$
(iii) $\mathrm{SnCl}_2<\mathrm{SnCl}_4$
(iv) $\mathrm{NaCl}<\mathrm{CuCl}$
The correct option is
(i) $\mathrm{KF}<\mathrm{KI}$
(ii) $\mathrm{LiF}<\mathrm{KF}$
(iii) $\mathrm{SnCl}_2<\mathrm{SnCl}_4$
(iv) $\mathrm{NaCl}<\mathrm{CuCl}$
The correct option is
MCQ+1 / -02024
33Chemical Bonding And Molecular Structure
The correct order of covalent bond character of $\mathrm{BCl}_3, \mathrm{CCl}_4, \mathrm{BeCl}_2, \mathrm{LiCl}$ is
MCQ+1 / -02024
34Chemical Bonding And Molecular Structure
In which of the following pairs, both molecules possess dipole moment?
MCQ+1 / -02024
35Chemical Bonding And Molecular Structure
\(\text { Observe the following structure, }\)
\(\text { The formal charges on the atoms 1,2,3 respectively are }\)
\(\text { The formal charges on the atoms 1,2,3 respectively are }\)
MCQ+1 / -02024
36Chemical Bonding And Molecular Structure
The correct order of bond angles of the molecules $\mathrm{SiCl}_4, \mathrm{SO}_3, \mathrm{NH}_3, \mathrm{HgCl}_2$ is
MCQ+1 / -02024
37Chemical Bonding And Molecular Structure
The bond angles $b_1, b_2$ and $b_3$ in the given structure are respectively (in ${ }^{\circ}$ )
MCQ+1 / -02024
38Chemical Bonding And Molecular Structure
Among the following species, correct set of isostructural pairs are $\mathrm{XeO}_3, \mathrm{CO}_3^{2-}, \mathrm{SO}_3, \mathrm{H}_3 \mathrm{O}^{+}, \mathrm{ClF}_3$
MCQ+1 / -02024
39Chemical Bonding And Molecular Structure
Observe the following reactions. Identify the reaction in which the hybridisation of underlined atom is changed
MCQ+1 / -02024
40Chemical Bonding And Molecular Structure
In which of the following sets of molecules, the centil atoms of molecules have same hybridisation?
MCQ+1 / -02024
41Chemical Bonding And Molecular Structure
The correct increasing order of number of lone pair of electrons on the central atom of $\mathrm{SnCl}_2, \mathrm{XeF}_2, \mathrm{CIF}_3$ and $\mathrm{SO}_3$ is
MCQ+1 / -02024
42Chemical Bonding And Molecular Structure
The bond lengths of diatomic molecules of elements $X$, $Y$ and $Z$ respectively are 143, 110 and 121 pm . The atomic numbers of $X, Y$, and $Z$ respectively are
MCQ+1 / -02024
43Chemical Bonding And Molecular Structure
Match the following. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg t...
MCQ+1 / -02024
44Chemical Bonding And Molecular Structure
The correct formula used to determine the formal charge (Q) on an atom in the given Lewis structure of a molecule or ion is ( $V=$ number of valence electrons in free atom, $U=$ number of unshared electrons on the atom, $B=$ number of bonds...
MCQ+1 / -02024
45Chemical Bonding And Molecular Structure
Identify incorrectly matched set from the following.
MCQ+1 / -02023
46Chemical Bonding And Molecular Structure
If the bond order in $C_2$ is ' $x^{\prime}$ then the bond order in $B_2$ and $\mathrm{O}_2$, respectively are
MCQ+1 / -02023
47Chemical Bonding And Molecular Structure
\(\text { Which of the following sets is correct? }\)
Molecule
Hybridisation
Geometry
Number of lone pairs of electrons on central atom
I
SiH
4
SiH
4
SiH_(4)
s
p
3
...
Molecule
Hybridisation
Geometry
Number of lone pairs of electrons on central atom
I
SiH
4
SiH
4
SiH_(4)
s
p
3
...
MCQ+1 / -02023
48Chemical Bonding And Molecular Structure
Which of the following is not the property of covalent substances?
MCQ+1 / -02023
49Chemical Bonding And Molecular Structure
In the Lewis dot structure of carbonate ion shown under the formal charges on the oxygen atoms 1, 2 and 3 are respectively
MCQ+1 / -02022
50Chemical Bonding And Molecular Structure
The set of species having only fractional bond order values is
MCQ+1 / -02022