JEE Mains Chemistry Past PapershardMCQ SINGLE

Given below are two statements: Statement I: NH2 NH2 can be synthesized from CH2 CH2 CH3 CH3 CH2 CH2JEE Mains Chemistry Past Papers Chemistry Question

Question

Given below are two statements: Statement I: NH2 NH2 can be synthesized from CH2 CH2 CH3 CH3 CH2 CH2 using simpler reagents in the order i) Acidic KMnO4, ii) Ammonia, iii) Bromine and alkali Statement II : CH3 NH2 can be converted into CH3 Br Br using reagents in the order (i) Bromine-H2O (ii) NaNO2/HCl (0-5 °C) (iii) aq. H3PO2. In the light of the above statements, choose the correct answer from the options given below (A) Both Statement I and Statement II are false (B) Statement I is true but Statement II is false (C) Both Statement I and Statement II are true (D) Statement I is false but Statement II is true

Answer: C

💡 Solution & Explanation

Statement-I (i) KMnO4 / H+ (ii) NH3 (iii) Br2 + KOH NH2 NH2 Statement-II (i) Br2 + H2O (ii) NaNO2 + HCl (0-5°C) (iii) Aq. H3PO2 CH3 NH2 CH3 Br Br Both statement (I) and (II) are true.

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