NEET Questions - Chemistry - Chemical Bonding and Atomic Structure

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Which of the following is ionic ?

HCl
$CHCl_3 $
$IF_5 $
KI

According to valence-bond theory which magnetic property oxygen possess ?

Paramagnetic
Ferrimagnetic
Diamagnetic
Anti Ferromagnetic

Who was proposed valence-bond theory ?

Mulliken
Lenus Pauling
Hittler and Londan
Hund

In $H - C \equiv C - CH = CH_2 molecule C^3 - C^2$ single bond carbons has which type of hybridization ?

$ sp^2 -sp^3 $
$ sp - sp^2 $
Ssp^3 - sp $
$ sp^3 - sp^3 $

Which of the following pair of species is isoelectronic and same structure ?

$NO_3 ^- , SO_3$
$ SO_3 , CO_3^{2-} $
$ CO_3 ^{2-} , ClO_3^- $
$ NO_3 ^- , CO_3 ^ {2-} $

Which of the following sentence is incorrect for covalent bond ?

Strength of covalent bond depends upon overlapping at atomic orbitals.
Covalent bond is not directional.
There is sharing of electrons between atoms bonded by covalent bond
Covalent bond is formed between atoms having less difference in their electronegativity.

Which of the following compound possesses covalent bond ?

$MgCl_2 $
NaH
$BF_3 $
CsCl

Which of the following molecule possesses polar and nonpolar covalent bond ?

$NH_4 Cl $
$CCl_4 $
$H_2 O_2 $
HCN

Which of the following compound does not possesses coordinate covalent bond ?

CO
$SO_2 $
$HNO_2 $
$HNO_3 $

Which of the following characteristic is not for covalent compound ?

They do not possesses particular geometical structure
They may be polar or nonpolar
Their boiling and melting point is low
Generally they are insoluble in water

Which of the following possesses ionic and covalent bond ?

$CO_2 $
$H_2 SO_4 $
$NH_4 Cl $
NaI

What is Geometrical Structure of $ClF_3$ molecule ?

Triogonal bipyramid
Corn shape
sea-saw
T-shape

Which of the following molecule possesses linear structure ?

$SO_2 $
$CO_2 $
$H_2 O $
$C_2H_4 $

Which of these molecules do not have zero dipole moment?

CH2cl2
Chcl3
Bcl3
Co2

Which of the following molecule has not zero dipole movement ?

$NF_3 $
$BF_3 $
$CO_2 $
$ BeF_2 $

NEET Chemistry Questions: Chemical Bonding and Atomic Structure