Topic: Chemical Bonding and Molecular Structure, Test No.: 02, Total MCQs: 15
Congratulations - you have completed Topic: Chemical Bonding and Molecular Structure, Test No.: 02, Total MCQs: 15.
You scored %%SCORE%% out of %%TOTAL%%.
Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Question 1 |
The state of hybridization of the central atom and
the number of lone pairs over the central atom in POCl3 are [WB JEE 2012]
sp, 0 | |
sp2, 0 | |
sp3, 0 | |
dsp2, 1 |
Question 2 |
NiCl2{P(C2H5)2(C6H5)}2
exhibits temperature dependent magnetic behaviour (paramagnetic/diamagnetic). The coordination geometries of Ni2+ in the paramagnetic and
diamagnetic states are respectively [IIT JEE 2012]
tetrahedral and tetrahedral | |
square planar and square planar | |
tetrahedral and square planar | |
square planar and tetrahedral |
Question 3 |
When O2 is converted into O2+
[Karnataka CET 2011]
both paramagnetic character and bond order increase | |
bond order decreases | |
paramagnetic character increases | |
paramagnetic character decreases and the bond order increases |
Question 4 |
Which one of the following conversions involve
change in both hybridization and shape? [Karnataka CET 2010]
NH3
→ NH4+ | |
CH4
→ C2H6 | |
H2O
→ H3O+ | |
BF3
→ BF4– |
Question 5 |
Assuming that Hund's rule is violated, the bond
order and magnetic nature of the diatomic molecule B2 is [IIT
JEE 2010]
1 and diamagnetic | |
0 and diamagnetic | |
1 and paramagnetic | |
0 and paramagnetic |
Question 6 |
Based on VSEPR theory, the number of 90 degree F —
Br — F angles in BrF5 is [IIT JEE 2010]
0 | |
2 | |
4 | |
8 |
Question 7 |
The species having pyramidal shape is [IIT JEE
2010]
SO3 | |
BrF3 | |
SiO32– | |
OSF2 |
Question 8 |
The value of n in the molecular formula BenAl2Si6O18
is [IIT JEE 2010]
3 | |
5 | |
7 | |
9 |
Question 9 |
Using MO theory predict which of the following
species has the shortest bond length? [AIEEE 2009]
O2+ | |
O2– | |
O22– | |
O22+ |
Question 10 |
The number of nodal planes present in s
* s antibonding orbitals is [Karnataka CET 2008]
1 | |
2 | |
0 | |
3 |
Question 11 |
Which metal has a greater tendency to form metal
oxide? [Karnataka CET 2008]
Cr | |
Fe | |
Al | |
Ca |
Question 12 |
Which one of the following constitutes a group of
the isoelectronic species? [AIEEE 2008]
 | |
 | |
 | |
 |
Question 13 |
Which one of the following pairs of species have the
same bond order? [AIEEE 2008]
CN−
and NO+ | |
CN−
and CN+ | |
O2−
and CN− | |
NO+
and CN+ |
Question 14 |
For a stable molecule the value of bond order must
be [Karnataka CET 2007]
negative | |
positive | |
zero | |
there is no relationship between stability and bond order |
Question 15 |
In acetylene molecule, between the carbon atoms
there are [Karnataka CET 2007]
three sigma bonds | |
two sigma and one pi bonds | |
one sigma and two pi bonds | |
three pi bonds |
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
There are 15 questions to complete.
VERY MUCH INTERESTING . IT”S COOL
GD QUESTION
few questions are good but other are easy
where could I get solutions?
plz give explanations for the questions
if answer key is available also it makes more comfortable
Please solve and submit the paper to get the answer keys.