Organic Chemistry Test

Result

Organic Chemistry Test - 24

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

The compound in which C uses only its sp³ - hybrid orbitals for bond formation is

A
HCOOH

B
(H₂N)₂CO

C
(CH₃)₃COH

D
CH₃CHO

Solution
Question 2
4 / -1

The shortest C-C bond distance is found in

A
Diamond

B
Ethane

C
Benzene

D
Acetylene
Question 3
4 / -1

The C-C bond length of the following molecules is in the order:

A
C₂H₆ > CH₄ > C₆H₆ > C₂H₂

B
C₂H₂ < C₂H₄ < C₆H₆ < C₂H₆

C
C₂H₆ > C₂H₂ > C₆H₆ > C₂H₄

D
C₂H₄ > C₂H₆ >C₂H₂ >C₆H₆
Question 4
4 / -1

Number of π-electrons in cyclobutadienyl anion (C₄H₄)^2- is

A
2

B
4

C
6

D
8

Solution
Question 5
4 / -1

Which of the following is the most stable carbocation (carbonium ion ) ?

A

B

C

D

Solution
Question 6
4 / -1

Which one of the following has the smallest heat of hydrogenation per mole?

A
1-Butene

B
trans-2-Butene

C
cis-2-Butene

D
1, 3-Butadiene
Question 7
4 / -1

The maximum number of carbon atoms arranged linearly in the molecule, CH₃ - C ≡ C -CH = CH₂ is

A
5

B
4

C
3

D
2

Solution
Question 8
4 / -1

Which of the following statements is false about resonance contribution structures ?

A
Contributing structures contribute to the resonance hybrid in proportion of their relative energies

B
Equivalent contributing structures make the resonance very important

C
Contributing structures represent molecules having no real existence

D
Contributing structures are less stable than the resonance hybrid
Question 9
4 / -1

In which of the compounds given below is there more than one kind of hybridization (sp, sp², sp³) for carbon?
(i) CH₃CH₂CH₂CH₃
(ii) CH₃CH = CHCH₃
(iii) CH₂ = CH – CH = CH₂
(iv) H – C ≡ C – H

A
(ii)

B
(iii) and (iv

C
(i) and (iv

D
(ii) and (iii)

Solution
Question 10
4 / -1

Electrophile in the case of chlorination of benzene in presence of FeCl₃ is

A
cl⁺

B
cl^–

C
Cl

D
FeCl₃