Hydrocarbons Test

Result

Hydrocarbons Test - 9

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

What are the shapes of ethyne and methane?

A
Square planar and linear

B
Tetrahedral and trigonal planar

C
Linear and tetrahedral

D
Trigonal planar and linear

Solution
Question 2
4 / -1

Which one of the compound does not dissolve in concentrated H₂ SO₄ ?

A
Hexane

B
Benzene

C
Ethylene

D
Aniline

Solution
Question 3
4 / -1

What is one of the products of the addition of HBr to 2-butene?

A
1-bromobutane

B
2-bromobutane

C
1,2-dibromobutane

D
2,3-dibromobutane
Question 4
4 / -1

Ethylene can be converted into alcohol by treatment with

A
aq KOH

B
dil. H₂SO₄

C
moist silver oxide

D
Zn/HCl

Solution
Question 5
4 / -1

2-hexyne gives trans-2-hexene on treatment with

A
Pt/H₂

B
Li/NH₃

C
Pd/BaSO₄

D
LiAlH₄

Solution
Question 6
4 / -1

Propyne on ozonolysis gives

A
CH₃ COOH + HCOOH

B
CH₃ COOH + HCHO

C
CH₃ CHO + HCHO

D
CH₃ CHO + HCOOH
Question 7
4 / -1

Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of

A
two ethylenic double bonds

B
a vinyl group

C
an iso-propyl group

D
an acetylenic triple bond

Solution
Question 8
4 / -1

One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44u. The alkene is

A
propene

B
1-butene

C
2-butene

D
ethene

Solution
Question 9
4 / -1

Propyne on passing through red hot copper tube forms

A
benzene

B
toluene

C
mesitylene

D
None of these
Question 10
4 / -1

Which of the following is the predominant product in the reaction of HOBr with propene?

A
2-bromo-1-propanol

B
3-bromo-1-propanol

C
2-bromo-2-propanol

D
1-bromo-2-propanol