Match The Column I With Column II To Identify The Products Of Oxidation ...

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4. 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) (CH3)3CH + 2O2 xrightarrow[(O)]KMnO4 (i) HCOOH + H2O (B) 2CH4 + O2 xrightarrow[100 atm]Cu/523 K (ii) (CH3)3COH (C) CH4 + O2 xrightarrow[Δ]Mo2O3 (iii) 2CH3OH (D) CH4 + (3/2) O2 xrightarrow(CH3COO)2Mn (iv) HCHO + H2O

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)	(CH3​)3​CH+2O2​KMnO4​(O)​	(i)	HCOOH+H2​O
(B)	2CH4​+O2​Cu/523K100atm​	(ii)	(CH3​)3​COH
(C)	CH4​+O2​Mo2​O3​Δ​	(iii)	2CH3​OH
(D)	CH4​+23​O2​(CH3​COO)2​Mn​	(iv)	HCHO+H2​O

3148 180 Hydrocarbons Report Error A

(A) → (i), (B) → (ii), (C) → (iii), (D) → (iv)

5% B

(A) → (ii), (B) → (iii), (C) → (iv), (D) → (i)

79% C

(A) → (iv), (B) → (ii), (C) → (iii), (D) → (i)

10% D

(A) → (iii), (B) → (i), (C) → (ii), (D) → (iv)

6%

Solution:

(A) CH4​+2O2​KMnO4​(O)​CO2​+2H2​O (ii) The above reaction is complete oxidation or combustion of alkanes. (B) 2CH4​+O2​Cu/523K100atm​2CH3​OH (iii) When a mixture of methane and oxygen is passed through copper tubes at 523K and 100atm, Methyl alcohol is produced. It is an example of controlled oxidation. (C) CH4​+O2​MO2​O3​Δ​HCHO+H2​O (iv) Products formed in the above reaction are HCHO and H2​O i.e, formaldehyde and water. It is also an example of controlled oxidation. (D) CH4​+23​O2​(CH3​COO)2​Mn​HCOOH+H2​O