Chemistry Practice MCQs Chapter 7 Class 12


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Created on By Ali Durrani

Chemistry Ch 7 Class 12 Fundamental Principles of Organic Chemistry

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Aromatic compounds burn with a sooty flame because:

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Wohler prepared urea from:

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In alkanes, each carbon has hybridization:

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How many chain isomers can be obtained from the alkane C6H14?

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The type of isomerism in which the position of functional group changes is called?

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Select the organic compound which belongs to Arene family:

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Diethyl ether and n-butanol are:

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Which of the following compounds has the empirical formula, (CH2O) and reacts with sodium hydroxide?

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IUPAC name of Divinyl acetylene is:

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Which of the following is the reducing agent:

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Formyl group is present in

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IUPAC name of the compound (CH3)2-CH-CH(C2H5)-C(CH3)3 is :

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13 / 56

Which process is used to produce volatile compounds?

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Which one is NOT a nucleophile?

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The type of isomerism existing in a compound of molecular formula C2H6O is:

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Which one is not an organic compound?

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In a resonance structure of a molecule

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Which of the following has the lowest vapour pressure at 20 degrees Centigrade?

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19 / 56

Which class of compounds cannot show positional isomerism?

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20 / 56

Ethers show the phenomenon of:

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Carbonyl group is present in

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The coal used for domestic purposes is: –

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Which functional group is not a double bond?

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Which one of the following free radical is most stable:

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The active part in organic molecules is called:

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Which of the following is not an isomer of other three:

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Proton transfer within a molecule is known as:

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C6H5C≡N and C6H5N≡C exhibits which type of isomerism:

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The number of isomers of C3H7-Cl are _______

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Example of nucleophile is:

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(HCHO)nH20 is the chemical formula for?

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CH3CH2CH2COCH3 is the functional isomer of:

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Maleic Acid and Fumaric Acid are:

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78 g of a hydrocarbon occupies 22.414 ml of volume at S.T.P. The empirical formula of the hydrocarbon is CH. The molecular formula of this hydrocarbon is:

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An essential condition for the Optical Activity of an organic compound is:

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In SN1 reaction “1” stands for?

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37 / 56

The isomers due to the unequal distribution of carbon atoms on either side of the functional group belonging to the same homologous series are called:

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38 / 56

Which of the following has shortest C – C bond length?

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Which of the following is/are organic?

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Propyl Acetate and valeric acid are which type of isomers

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IUPAC name of this is (CH3)2 – CH – CH (C2H5) – C(CH3)3

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42 / 56

Which is not a meta directing group:

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Example of metamerism is:

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Which of the following is the correct IUPAC name?

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45 / 56

The isomers must have the same:

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46 / 56

The rate of E1 reaction depends upon:

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Study that deals with hydrocarbons and its derivatives Is known as:

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Isomerism is:

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Which of the following is an organic compound?

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Which of the following pair groups belong to meta directing Groups?

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Which one of them is used as an automobile antifreeze

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52 / 56

Example of a nucleophile is:

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Isomerism due to shifting of proton from one atom to another in a same molecule is known as:

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Na, Ca & Mg are

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Which of the following intermediate has the complete octet around the carbon atom.

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IUPAC name of C6H5 – CH2 – CH2 – NH2 is:

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