Identify the statement that is incorrect about alkanes.

They are hydrocarbons

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There is a single covalent bond between carbon and hydrogen

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They can undergo both substitution as well as addition reactions

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On complete combustion they produce carbon dioxide and water

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Solution

The correct option is C They can undergo both substitution as well as addition reactions
Alkanes are made of $C$ and $H$ only so they are called hydrocarbons and due to presence of single bonds they only gives substitution reaction.
On combustion they give carbon dioxide and water.

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Similar questions

Q. Choose the correct answer:
(i) Which of the following statements is wrong about alkanes?
(a) They are all saturated hydrocarbon.
(b) They can undergo addition as well as substitution reaction.
(c) They are almost non-polar in nature.
(d) On complete combustion give out carbon dioxide and water.

(ii) Select the acid which contains four hydrogen atoms in it.
(a) Formic acid
(b) Sulphuric acid
(c) Nitric acid
(d) Acetic acid

Fill in the blanks with the correct words from the brackets :

Alkenes are the (a) ...... (analogous/homologous) series of (b) ... (saturated/unsaturated) hydrocarbons. They differ from alkanes due to the presence of (c) .... (double/single) bonds. Alkenes mainly undergo (d) (addition/ substitution) reactions.

Q. Fill in the blanks with the correct words from the brackets:
Alkenes are the (i) ........... (analogous/homologous) series of (ii) ............ (saturated/unsaturated) hydrocarbons. They differ from alkanes due to the presence of (iii) ......... (double/single) bonds. Alkenes mainly undergo (iv) .......... (addition/substitution) reactions.

Which of the following pairs of compounds of carbon will undergo combustion as well as addition reactions?

Q. Which of the following pair of carbon compounds will undergo combustion as well as addition reaction?

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Identify the statement that is incorrect about alkanes.

The correct option is C They can undergo both substitution as well as addition reactionsAlkanes are made of C and H only so they are called hydrocarbons and due to presence of single bonds they only gives substitution reaction.On combustion they give carbon dioxide and water.

The correct option is C They can undergo both substitution as well as addition reactions
Alkanes are made of $C$ and $H$ only so they are called hydrocarbons and due to presence of single bonds they only gives substitution reaction.
On combustion they give carbon dioxide and water.