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Class 11thChemistry NCERT Exemplar Solutions Class 11th Chapter EightRedox ReactionsRedox ReactionsChemistryNcert Solutions Chemistry Class 11th

Identify disproportionation reaction

(i) CH4 + 2O2 → CO2 + 2H2O

(ii) CH4 + 4Cl2 → CCl4 + 4HCl

(iii) 2F2 + 2OH– → 2F– + OF2 + H2O

(iv) 2NO2 + 2OH– → NO2 – + NO3 – + H2O

9 Views|Posted 9 months ago
Asked by Shiksha User
1 Answer
A
9 months ago

This is a Multiple Choice Questions as classified in NCERT Exemplar

Option (iv) is the correct answer.

Disproportionate reactions are defined as the reactions in which the same substance is oxidized as well as reduced. Here, the below reaction is given as-

2NO2 + 2OH- →NO2 -+ NO3- +H2O

In this reaction,

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How many of these compounds will undergo disproportionation on hydrolysis? CO?, NO?, Cl?, F?, ClO?, Cl?O?, N?O?, SO?, P?O??

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2 N O 2 + 4 + H 2 O → H N O 2 + 3 + H N O + 5 3

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C l 2 + 6 O 6 + H 2 O → H C l O 3 + 5 + C l O 4 + + +

40. Best reducing agent is:
(a) He              (b) Be           (c) Li            (d) Al

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(c) Li

37. Which element is considered to have oxidation number of +3 in all its compounds?

(a) Be              (b) Li             (c) Al         (d) Sc

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(c) Al

36. Oxidation number ofS in S2O8-2 is

(a) -2           (b) -6           (c) +2          (d) +6

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(d) +6

32. Assertion: Na+ ion has an oxidation number of +1, Mg2+ ion, +2, Fe3+ ion, +3, Cl– ion, –1, O2– ion, –2; and so on.

Reason: For ions composed of only one atom, the oxidation number is equal to the charge on the ion.

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(a)

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Chemistry NCERT Exemplar Solutions Class 11th Chapter Eight 2025

Chemistry NCERT Exemplar Solutions Class 11th Chapter Eight 2025

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