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Introduction to Oxidation and Reduction

CH4+O2→CO2+H2...

Question

${C H}_{4} + O_{2} \to {C O}_{2} + H_{2} O$ is:

A

combustion reaction

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B

redox Reaction

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C

both

A

and

B

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D

none of the above

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Solution

The correct option is C both $A$ and $B$
This is combustion reaction and also it is redox reaction because the oxidation number of $O_{2}$ is molecule are $0$ .But in water its oxidation number is $- 2$ .so reduction in methene the oxidation number of $H = - 1$ and in $H_{2} O$ its oxidation number of hydrogen is $+ 1$

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Similar questions

Q. Balance the reactions:

{C H}_{4} + O_{2} \to {C O}_{2} + H_{2} O

Q. In the below given redox reaction,

C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O

The oxidising agent and substance being oxidised are:

Q. Match the column I with column II to identify the products of oxidation of alkanes and mark the appropriate choice.

	Column I		Column II
(A)	$C H_{4} + 2 O_{2} K M n O_{4} - ---- \to [O]$	(i)	$H C O O H + H_{2} O$
(B)	$2 C H_{4} + O_{2} C u / 523 K - ----- \to 100 a t m$	(ii)	$C O_{2} + 2 H_{2} O$
(C)	$C H_{4} + O_{2} M o_{2} O_{3} - ----- \to Δ$	(iii)	$2 C H_{3} O H$
(D)	$C H_{4} + \frac{3}{2} O_{2} (C H_{3} C O O)_{2} M n - --------- \to$	(iv)	$H C H O + H_{2} O$

Q. Balance the following equations:

M n O_{2} + H C l \to M n C l_{2} + C l_{2} + H_{2} O

N H_{4} C l + C a (O H)_{2} \to N H_{3} + C a C l_{2} + H_{2} O

B a C l_{2} + A l_{2} (S O_{4})_{3} \to B a S O_{4} + A l C l_{3}

N a A l O_{2} + H_{2} O + C O_{2} \to A l H_{3} + N a_{2} C O_{3}

N H_{3} + O_{2} \to N O + H_{2} O

Z n + H N O_{3} \to Z n (N O_{3})_{2} + N O_{2} + H_{2} O

H_{2} S + O_{2} \to H_{2} O + S O_{2}

P b O + C \to P b + C O_{2}

B a C l_{2} + H_{2} S O_{4} \to B a S O_{4} + H C l

C H_{4} + O_{2} \to C O_{2} + H_{2} O

Q. What coefficients are required to balance the following equation?

{C H}_{4} + O_{2} \to {C O}_{2} + H_{2} O

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