MyQuestionIcon

Properties of...

Properties of Carbon

Trending Questions

Q. The formation of molecular complex

B F_{3} - N H_{3}

results in a change in hybridisation of boron:

From $s p^{3} to s p^{3} d$
From $s p^{2} to d s p^{2}$
From $s p^{3} to s p^{2}$
From $s p^{2} to s p^{3}$

drop_down_image

Q. Out of the following, the alkene that exhibits optical isomerism is

2-methyl-2-pentene
3-methyl-2-pentene
4-methyl-1-pentene
3-methyl-1-pentene

drop_down_image

Q. What is the shape of

X e F_{3}^{+}

?

Trigonal planar
Pyramidal
Bent T-shaped
See-saw

drop_down_image

Q.

The number of ${sp}^{2}$ hybrid orbitals in molecule of benzene is

18
24
6
12

drop_down_image

Q.

What is the hybridization of atomic orbitals of nitrogen in ${NO}_{2}^{+}$ , ${NO}_{3}^{-}$ and ${NH}_{4}^{+}$ ?

drop_down_image

Q. Catenation property is maximum in

Sulphur
Phosphorous
Carbon
Silicon

drop_down_image

Q. The correct order of Catenation property is:

$C - C > P - P > S - S > S i - S i > N - N$
$C - C > P - P < S - S < S i - S i < N - N$
$C - C > S - S > P - P > S i - S i > N - N$
$C - C < S - S < P - P < S i - S i < N - N$

drop_down_image

Q. What is the hybridization of interhalogen compounds of the type

X X_{3}^{'}

(Bent T-shaped)?

$s p^{3} d^{2}$
$s p$
$s p^{3} d$
$s p^{2}$

drop_down_image

Q. The correct statement(s) about the compound given below is (are)
(2008)

The compound is optically active
The compound possesses centre of symmetry
The compound possesses plane of symmetry
The compound possesses axis of symmetry

drop_down_image

Q. Which of the following statements is/are correct regarding the given compound?

It is optically inactive due to plane of symmetry
It is optically inactive due to centre of symmetry
Being chiral it is optically active
It is optically active due to the presence of $C_{2}$ axis of symmetry

drop_down_image

Q. Maximum number of covalent bonds formed by

N

and

P

respectively are:

$3, 5$
$3, 6$
$4, 5$
$4, 6$

drop_down_image

Q. Which pair of isomerism is not possible together?

Ring chain and functional
Position and functional
Functional and metamerism
Chain and functional

drop_down_image

Q.

What is the carbon-carbon bond length in Benzene?

drop_down_image

Q.

A

: Discuss the significance/ applications of dipole moment

B

:

Represent diagrammatically the bond moments and the resultant dipole moment in $C O_{2}, N F_{3} and C H C l_{3}$

drop_down_image

Q.

Carbon is known to form long chains of carbon atoms. This property is known as?

Catenation
Hybridization
Halogenation
None of these

drop_down_image

Q.

T e F_{5}^{-},

X e F_{2},

I_{3}^{+},

P C l_{3}

Which of the following shapes does not describe any of the above species?

Square pyramidal
Square planar
Trigonal planar
Linear

drop_down_image

Q.

The property of catenation:

It is seen only in carbon.
Decreases from oxygen on going towards sulphur.
Sulphur does not show the property of catenation.
Increases from oxygen on going towards sulphur.

drop_down_image

Q. What is the number of optical isomers possible for the compound:

drop_down_image

Q. The compounds (I) and (II) are optically inactive because

Both compounds have the plane of symmetry.
Both compounds have the centre of symmetry.
Compound (I) has the plane of symmetry, while compound (II) has the centre of symmetry.
Both (a) and (c)

drop_down_image

Q.

Are non-polar $N_{2}, H_{2}, O_{2}$ covalent bonds strong?

drop_down_image

Q. Which of the following compound(s) exhibit optical isomerism?

drop_down_image

Q. What are the reasons for significance number of carbon compound in organic chemistry ?

Catenation property of organic compound
Tetravalency of carbon
All of the above.
Tendency to form bond with non-metals

drop_down_image

Q. Observe the following flow chart and write the sum of the number of x, y, z.

drop_down_image

Q. In which of the following compounds boron atoms are in

s p^{2}

and

s p^{3}

hybridisation states?

Borax
Borazole
Diborane
All of the above

drop_down_image

Q. Catenation property is maximum in

Sulphur
Phosphorous
Carbon
Silicon

drop_down_image

Q.

The bond order is maximum in

[AIIMS 1983, 85; CBSE PMT 1994; MP PET 2002]

drop_down_image

Q. The hybridization of

I C l_{2}^{-}

and

C l O_{4}^{-}

, respectively are:

$s p^{3} d^{2}$ , $s p^{3}$
$s p^{3} d$ , $s p^{3}$
None of these
$s p^{2}$ , $s p^{3} d$

drop_down_image

Q.

How many optical isomers does Glucose have?

drop_down_image

Q.

Statement-1 : In (cyclobutadiene) all C-C bond lengths are equal.

Statement-2 : Cyclobutadiene is aromatic and the

Π

orbitals are orthogonal to each other.

The Assertion and Reason are given, you are required to choose any one of the following four responses.

A) Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

B) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

C) The Assertion is correct but Reason is incorrect

D) Both Assertion and Reason are incorrect

A
B
C
D

drop_down_image

Q. Assertion :Carbon has 2 crystalline forms. Reason: This is due to tetravalency of carbon.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Assertion is correct but Reason is incorrect
Assertion is incorrect but Reason is correct

drop_down_image