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Hydrocarbons

CBSE · Class 11 · Chemistry

Flashcards for Hydrocarbons — CBSE Class 11 Chemistry. Quick Q&A cards covering key concepts, definitions, and formulas.

76 questions94 flashcards5 concepts

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94 Flashcards
Card 1Introduction to hydrocarbons

What are hydrocarbons and why are they important?

Answer

Hydrocarbons are compounds of carbon and hydrogen only. They are important sources of energy. They are used in fuels such as LPG, CNG, petrol, diesel, and kerosene, and also as starting materials for

Card 2हाइड्रोकार्बन का परिचय

हाइड्रोकार्बन क्या हैं और वे क्यों महत्वपूर्ण हैं?

Answer

हाइड्रोकार्बन केवल कार्बन और हाइड्रोजन के यौगिक होते हैं। ये ऊर्जा के महत्वपूर्ण स्रोत हैं। इनका उपयोग ईंधन जैसे LPG, CNG, पेट्रोल, डीज़ल, केरोसिन में किया जाता है। साथ ही बहुलक, रंजक, दवा और विलायक क

Card 3वर्गीकरण

कार्बन-कार्बन बंधनों के आधार पर हाइड्रोकार्बन का वर्गीकरण कैसे किया जाता है?

Answer

हाइड्रोकार्बन को तीन मुख्य प्रकारों में वर्गीकृत किया जाता है: संतृप्त हाइड्रोकार्बन, असंतृप्त हाइड्रोकार्बन और सुगन्धित हाइड्रोकार्बन। संतृप्त हाइड्रोकार्बन में केवल एकल बंध होते हैं, असंतृप्त हाइड्र

Card 4Classification

How are hydrocarbons classified on the basis of carbon-carbon bonds?

Answer

Hydrocarbons are classified into three main types: saturated hydrocarbons, unsaturated hydrocarbons, and aromatic hydrocarbons. Saturated hydrocarbons have only single bonds, unsaturated hydrocarbons

Card 5Alkanes

What is the general formula of alkanes?

Answer

The general formula of alkanes is CnH2n+2, where n = number of carbon atoms.

Card 6एल्केन

एल्केनों का सामान्य सूत्र क्या है?

Answer

एल्केनों का सामान्य सूत्र CnH2n+2 है, जहां n = number of carbon atoms.

Card 7एल्केन

एल्केनों को पैराफिन क्यों कहा जाता है?

Answer

सामान्य परिस्थितियों में एल्केन बहुत कम प्रतिक्रियाशील होते हैं, इसलिए उन्हें पहले पैराफिन कहा जाता था। पुराना नाम अन्य पदार्थों के लिए थोड़ी सी आत्मीयता के विचार से आया है।

Card 8Alkanes

Why are alkanes called paraffins?

Answer

Alkanes are very less reactive under normal conditions, so they were earlier called paraffins. The old name comes from the idea of little affinity for other substances.

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What are the important topics in Hydrocarbons for CBSE Class 11 Chemistry?
Hydrocarbons covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Hydrocarbons — CBSE Class 11 Chemistry?
Understand the core concepts first, then work through the 76 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
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There are 94 flashcards for Hydrocarbons covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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