Class 11 Chemistry — Thermodynamics Important Questions with Answers (Long answers)
Class 11 Chemistry is mole arithmetic, quantum numbers, VSEPR, the first law, Kc/Kp, and a first organic map (IUPAC, hydrocarbons). This bank stays on the rationalized NCERT — no deleted s-block nostalgia as a fake chapter. “Mole concept class 11 important questions” and “chemical bonding MCQ” open real items with hidden answers, twenty a page.
System, state function, ΔU, ΔH, Hess, and spontaneity via ΔG = ΔH − TΔS. First law sign convention as the book prints it. Extensive versus intensive. A formation-enthalpy numerical is Hess in disguise. Entropy of the universe does not decrease for a real spontaneous process. You are on Thermodynamics (Long answers), page 1 of 1 — 2 questions in this filter. Long answers model a five-mark write-up: definition, reason, one diagram or equation idea, and a closing line. Do not copy the whole block in the exam; steal the order. This view is for the night before a unit test. Phone layout: chapter chips scroll sideways, answers stay inside a tap, and the next page is a numbered link so Google and students both get a short URL. Updated for 2026 classroom practice on the rationalized NCERT.
Thermodynamics का दीर्घ उत्तर: परिभाषा, तंत्र/सूत्र, उदाहरण, सावधानी।
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परिचय: Thermodynamics Class 11 chemistry का पाठ।
तंत्र: NCERT के 3 चरण।
उदाहरण: पुस्तक वाला।
सावधानी: गलत माध्यम/गलत अभिकर्मक/गलत आरेख लेबल से बचें।
Q.46LongThermodynamics
Class 11 Chemistry — Thermodynamics पर एक unit-test उत्तर लिखें (परिचय, 4 बिंदु, निष्कर्ष)।
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System, state function, ΔU, ΔH, Hess, and spontaneity via ΔG = ΔH − TΔS. First law sign convention as the book prints it. Extensive versus intensive. A formation-enthalpy numerical is Hess in disguise. Entropy of the universe does not decrease for a real spontaneous process.
चार बिंदु: (1) NCERT परिभाषा/सूत्र/घटना। (2) एक उदाहरण या आरेख-विचार। (3) एक तुलना या कारण। (4) एक साधारण संख्यात्मक या उद्धरण यदि पाठ माँगता है।
निष्कर्ष: उत्तर अध्याय-सत्य रखें — बोर्ड की डेटशीट यहाँ नहीं गढ़ी गई।
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उत्तर कहाँ हैं? हर प्रश्न के नीचे View the correct answer दबाएँ। पहले स्वयं लिखें, फिर मिलाएँ। MCQ में सही विकल्प और एक पंक्ति की व्याख्या है।
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Thermodynamics क्यों महत्वपूर्ण है? System, state function, ΔU, ΔH, Hess, and spontaneity via ΔG = ΔH − TΔS. First law sign convention as the book prints it. Extensive versus intensive. A formation-enthalpy numerical is Hess in disguise. Entropy of the uni…