Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

Which of the following reaction is both a combination reaction and an oxidation-reduction reaction?

Answer and explanation

Correct answer: \(2Mg + O_2 \rightarrow 2MgO\)

In \(2Mg + O_2 \rightarrow 2MgO\), magnesium and oxygen combine to form only one compound, MgO; therefore, it is a combination reaction. Magnesium changes its oxidation state from 0 to +2, while oxygen changes from 0 to −2. Thus, magnesium is oxidised and oxygen is reduced, so the reaction is also a redox reaction. Option D is also a redox reaction, but it is a displacement reaction rather than a combination reaction.

Related tags

Chemical ReactionsCombination ReactionRedox ReactionOxidation StatesDisplacement Reaction

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.