Chemistry Ch 9 Class 12 Hydrocarbons
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Which of the following statements is incorrect about benzene?
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Which of the following is NOT explained by Kekule structure of benzene?
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n-Heptane can be converted into benzene by catalysts:
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Which of the following compounds react slower than benzene in electrophilic substitution reaction?
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If both double and triple bonds are present in the chain, double bond is given the ______
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Acetylene on reacting with ammonium silver nitrate gives.
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The reaction of benzene with bromine gives?
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The C-H bond distance is the longest in:
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Methane gas is also known as
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The hybridization of benzene is:
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Physical properties of Ethyne is/are:
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PolymerizatIon of ______ produces synthetic rubber.
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The bond angles in benzene ring are:
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Activation of the benzene ring in aniline can be decreased by treating with:
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Which catalyst is used to oxidize benzene rings?
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What happens when one mole of ethane is mixed in the dark at room temperature with six moles of chlorine?
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Boiling point of benzene is:
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The unhybridized p orbitals of benzene are present in the form of _________.
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Acetylene polymerizes to make:
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Friedel craft’s reaction gives?
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The four bonds of carbon in methane are directed towards the corners of a:
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Which of the following compounds will form a hydrocarbon on reaction with Grignard reagent?
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Which of the following gases is used for welding purpose:
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Alkenes undergo:
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How many chain isomers of Pentane is possible?
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Benzene when reacted with chlorine in ultraviolet rays produces:
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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
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Reduction of benzene is presence of Ni gives:
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Which one of the following organic compounds have the least carbon-carbon bond length?
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The structure of cyclohexane is:
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Which type of hybridization takes place in benzene?
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Alkenes are:
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What is the color of silver acetylide, AgC=CAg?
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Which of the following Is formula of Benzyl Alcohol?
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Organic compounds in which tetravalency of carbon atom is satisfied are called as ____ ?
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Stability of benzene is due to
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Benzene with nitrating mixture gives?
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Which one of the following is the correct structure of 2,2-Dimethylbutane?
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Acetylene upon heating at 300 C gives:
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In which of the following cases are the benzene rings isolated?
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Hydrocarbons which burn with a smoky flame are called:
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How many Dewar Structure of Benzene are present?
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In composition of natural gas, 0.17% is constituted by:
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Alkaline KMnO4 converts ethylene into:
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C6H5 Is:
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The carbon number of gasoline is:
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How many chain isomers are possible for the alkane C6H14?
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Which derivative of benzene shows maximum reactivity in electrophilic substitution reactions?
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Friedel-Crafts Reaction can be used for the preparation of :
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Which type of bonds are broken during cracking?
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Gasoline is a mixture of?
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All of the following react with KMnO4 except
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The position of the double bond in alkenes can be identified by:
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Which of the following method is used to prepare Ethylene glycol from ethene?
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Which one of the following is not a heterocyclic compound?
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What are the products of destructive distillation of coal?
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The ratio of σ to π bonds in benzene is:
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Benzene is prepared in laboratory by distillation of phenol with
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Who rejected vital force theory
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Free radical reactions take place in the presence of ______?
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Fuels with higher octane number can be produced by ___________.
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Catalytic hydrogenation of alkenes exhibits:
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Ali Durrani
