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The reaction of benzene with bromine gives?
Which of the following compounds react slower than benzene in electrophilic substitution reaction?
NUMS 2019 Reconduct
Chemistry
Hydrocarbons
Elimination Tool:
Which of the following compounds will form a hydrocarbon on reaction with Grignard reagent?
NUMS 2014
Chemistry
Hydrocarbons
Elimination Tool:
Free radical reactions take place in the presence of ______?
PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:
Physical properties of Ethyne is/are:
NTS 2015 DUHS and JSMU
Chemistry
Hydrocarbons
Elimination Tool:
Organic compounds in which tetravalency of carbon atom is satisfied are called as ____ ?
PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:
Boiling point of benzene is:
Name the main product formed as a result of the following reaction
H3C – (CH2)5 – CH3 ————> Product
n-heptane
Conditions: 480 – 550 C, 150 – 399 psi V2O5
NTS 2019
Chemistry
Hydrocarbons
Elimination Tool:
What are the products of destructive distillation of coal?
PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:
Alkaline KMnO4 converts ethylene into:
NUMS 2014
Chemistry
Hydrocarbons
Elimination Tool:
Fuels with higher octane number can be produced by ___________.
PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:
The hybridization of benzene is:
What happens when one mole of ethane is mixed in the dark at room temperature with six moles of chlorine?
NTS 2017
Chemistry
Hydrocarbons
Elimination Tool:
All of the following react with KMnO4 except
NUMS 2017
Chemistry
Hydrocarbons
Elimination Tool:
How many Dewar Structure of Benzene are present?
Which of the following gases is used for welding purpose:
NTS 2019
Chemistry
Hydrocarbons
Elimination Tool:
In which of the following cases are the benzene rings isolated?
NUMS 2015
Chemistry
Hydrocarbons
Elimination Tool:
The structure of cyclohexane is:
PMC Sample 3
Chemistry
Hydrocarbons
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Benzene when reacted with chlorine in ultraviolet rays produces:
Acetylene upon heating at 300 C gives:
Which one of the following is not a heterocyclic compound?
PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:
Acetylene on reacting with ammonium silver nitrate gives.
NUMS 2014
Chemistry
Hydrocarbons
Elimination Tool:
Acetylene polymerizes to make:
PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:
Name the main product formed as a result of the following reaction
H3C – (CH2)5 – CH3 ————> Product
n-heptane
Conditions: 480 – 550 C, 150 – 399 psi V2O5
NTS 2019
Chemistry
Hydrocarbons
Elimination Tool:
Which of the following method is used to prepare Ethylene glycol from ethene?
PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:
How many chain isomers are possible for the alkane C6H14?
NTS 2016 SMBBMC
Chemistry
Hydrocarbons
Elimination Tool:
Gasoline is a mixture of?
NUMS 2018
Chemistry
Hydrocarbons
Elimination Tool:
Which catalyst is used to oxidize benzene rings?
NUMS 2019 Reconduct
Chemistry
Hydrocarbons
Elimination Tool:
The C-H bond distance is the longest in:
NUMS 2015
Chemistry
Hydrocarbons
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Friedel craft’s reaction gives?
Friedel-Crafts Reaction can be used for the preparation of :
Benzene with nitrating mixture gives?
Benzene is prepared in laboratory by distillation of phenol with
C6H5 Is:
Which type of bonds are broken during cracking?
PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:
The carbon number of gasoline is:
NTS 2019
Chemistry
Hydrocarbons
Elimination Tool:
Which of the following Is formula of Benzyl Alcohol?
Which derivative of benzene shows maximum reactivity in electrophilic substitution reactions?
UHS 2019
Chemistry
Hydrocarbons
Elimination Tool:
Catalytic hydrogenation of alkenes exhibits:
NUMS 2019 Cancelled
Chemistry
Hydrocarbons
Elimination Tool:
The bond angles in benzene ring are:
PMC Sample 1
Chemistry
Hydrocarbons
Elimination Tool:
Activation of the benzene ring in aniline can be decreased by treating with:
NUMS 2017
Chemistry
Hydrocarbons
Elimination Tool:
Stability of benzene is due to
What is the color of silver acetylide, AgC=CAg?
PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:
The unhybridized p orbitals of benzene are present in the form of _________.
PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:
Methane gas is also known as
PMC Sample 2
Chemistry
Hydrocarbons
Elimination Tool:
Which type of hybridization takes place in benzene?
Which one of the following is the correct structure of 2,2-Dimethylbutane?
PMC Sample 1
Chemistry
Hydrocarbons
Elimination Tool:
If both double and triple bonds are present in the chain, double bond is given the ______
PMC Sample 2
Chemistry
Hydrocarbons
Elimination Tool:
n-Heptane can be converted into benzene by catalysts:
Who rejected vital force theory
PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:
Reduction of benzene is presence of Ni gives:
NUMS 2019 Cancelled
Chemistry
Hydrocarbons
Elimination Tool:
Which of the following statements is incorrect about benzene?
The ratio of σ to π bonds in benzene is:
NUMS 2019 Reconduct
Chemistry
Hydrocarbons
Elimination Tool:
The four bonds of carbon in methane are directed towards the corners of a:
NUMS 2014
Chemistry
Hydrocarbons
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Which of the following is NOT explained by Kekule structure of benzene?
PMC Sample 2
Chemistry
Hydrocarbons
Elimination Tool:
How many chain isomers of Pentane is possible?
PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:
PolymerizatIon of ______ produces synthetic rubber.
PMC Sample 1
Chemistry
Hydrocarbons
Elimination Tool:
Which one of the following organic compounds have the least carbon-carbon bond length?
NUMS 2017
Chemistry
Hydrocarbons
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Alkenes are:
PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:
Hydrocarbons which burn with a smoky flame are called:
NUMS 2015
Chemistry
Hydrocarbons
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In composition of natural gas, 0.17% is constituted by:
NUMS 2018
Chemistry
Hydrocarbons
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The position of the double bond in alkenes can be identified by:
PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:
Alkenes undergo:
UHS 2019
Chemistry
Hydrocarbons
Elimination Tool: