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Here we have a given Class 12 Chemistry Important Questions for Maharashtra Board HSC Examination 2024. Every students want to score good marks in Class 12 Board Exam,but number of students don't know how to score good marks. Dear students, following given questions had been asked in earlier HSC Board Examinations. From this post, you will know which type of questions had been asked in earlier Board Exams and same questions or same type of questions will be asked in your upcoming examination. If you study all these questions, you will get very good marks in your board examinations, Because so many questions from the following given questions will be asked in your upcoming examination.Therefore go through our Class 12 Chemistry Important Questions which are given in chapter-wise manner and simply try to solve these questions to score very good marks in Chemistry and obviously, you will! Best wishes to all dear students for your upcoming Maharashtra State Board Exam 2024.
यहां हमारे पास महाराष्ट्र बोर्ड HSC परीक्षा 2024 के लिए कक्षा 12वीं के Chemistry के महत्वपूर्ण प्रश्न दिए गए हैं। प्रत्येक छात्र कक्षा 12वीं की बोर्ड परीक्षा में अच्छे अंक प्राप्त करना चाहते हैं, लेकिन कई छात्र यह नहीं जानते कि अच्छे अंक कैसे प्राप्त करें। प्रिय छात्रों, नीचे दिए गए प्रश्न पिछले एचएससी बोर्ड परीक्षाओं में पूछे गए थे। इस पोस्ट से आप जानेंगे कि पिछली बोर्ड परीक्षाओं में किस प्रकार के प्रश्न पूछे गए थे और आपकी आगामी परीक्षा में भी इसी प्रकार के प्रश्न पूछे जाएंगे। यदि आप इन सभी प्रश्नों का अध्ययन करते हैं, तो आप अपनी बोर्ड परीक्षाओं में बहुत अच्छे अंक प्राप्त करेंगे, क्योंकि निम्नलिखित दिए गए प्रश्नों में से बहुत सारे प्रश्न आपकी आगामी परीक्षा में पूछे जाएंगे। इसलिए हमारे कक्षा 12 के Chemistry के महत्वपूर्ण प्रश्नों को देखें जो अध्याय में दिए गए हैं | Chemistry में बहुत अच्छे अंक प्राप्त करने के लिए इन प्रश्नों को बुद्धिमान तरीके से हल करने का प्रयास करें और जाहिर है, आप करेंगे! सभी प्रिय छात्रों को आपकी आगामी महाराष्ट्र राज्य बोर्ड परीक्षा 2024 के लिए शुभकामनाएं।
Class 12 Chemistry Important Questions | Chapter 13 - Amines
• How is ethanamine prepared by using
(a) Acetaldoxime
(b) Methyl cyanide (March 2008)
• Write acetylation reaction of
(a) Ethyl amine
(b) Diethyl amine. (March 2008)
• What are amines? What is the action of acetyl chloride on ehtanamine, N-Ethylethanamine and N-N-dimethylethanamine? (Oct. 2008)
• Identify A, B, C and D. Write complete reactions. (March 2009)
• How is ethylamine prepared from :
(a) Nitro-alkane
(b) Oxime? (March 2010)
• Explain basic nature of amines. (March 2010, Oct.2009)
• What is the action of-
a) Nitrous acid on ethyl amine
b) Mixture of sodium and alcohol on acetonitrile? (Oct. 2010)
• What is a Quaternary ammonium salt? (Oct. 2010)
• What are amines? Give IUPAC name of ethyl methyl amine. (March 2011)
• How will you convert?
(a) -CN into - CH=NH
(b) -NH2 into - OH (March 2011)
• What is the action of bromine in alkaline medium on-
(a) CH3CH2NO2
(b) CH3 -CH(CH3)-NO2 (March 2013)
• Write a short note on Hoffmann bromamide degradation. (March 2013, March 2017, March 2018, March 2019)
• How is nitromethane prepared from the following?
(a) alkyl halide
(b) α-halogen carboxylic acid
(c) α-nitroalkene (Oct. 2013)
• Explain Hoffmann bromamide degradation reaction. (Oct. 2013)
Also read : Class 12 Physics Important Questions
• What is the action of the following reagents on aniline?
(a) Bromine water
(b) Acetic anhydride
(c) Hot and conc. sulphuric acid (March 2014)
• Identify the compound 'A' and 'B' in the following equation: (March 2014)
(a) Ethyl amine
(b) Aniline
(c) Triethyl amine? (Oct. 2014)
• How are propan-1-amine and propan-2-amine prepared from oxime? (Oct. 2014)
• How is ethyl amine prepared from methyl iodide? (March 2015)
• Write a note on Gabriel phthalimide synthesis. (March 2015)
• How are 1-nitropropane and 2-nitropropane prepared from suitable oxime? (March 2016)
• How are 1-nitropropane, 2-nitropropane and 2-methyl-2-nitropropane are distinguished from each other using nitrous acid? (March 2016)
• What is the action of mixture of NaNO2 and dil. HCl on:
a) Ethylamine
b) Aniline
c) Diethyl amine ( March 2017)
• How are ethylamine and ethylmethylamine distinguished by using nitrous acid? (March 2018)
• What is the action of a mixture of cold and dilute hydrochloric acid and sodium nitrite on -
a) ethylamine
b) diethylamine
c) triethylamine? (March 2019
• Explain : 'Amines are Lewis bases'. (March 2019)
• What are amines? (March 2019)
• Write the structure of phenylmethanamine. (March 2019)
• How are primary, secondary and tertiary nitroalkanes distinguished using HNO2? (March 2020)
• Write the chemical reaction involved in the formation of ethylamine using acetaldoxime. (March 2020)
• Define Quaternary ammonium salt. (March 2020)
• Write chemical reactions to prepare ethanamine from :
(i) acetonitrile
(ii) nitroethane (March 2022)
• Write the name of product formed by the action of LiAlH4/ether on acetamide. (March 2023)
• What is the action of the following reagents on ethylamine. (March 2023)
i) Chloroform and caustic potash
ii) Nitrous acid (March 2023)
• Write iupac name and structure of methoxyphenylamine. (March 2023)
Also Read: Class 12 Biology Important Questions
👉 Students are suggested to go through our Class 12 Chemistry Important Questions to score more in your upcoming 2024 Board Examination. 👇👇
Class 12 Chemistry Important Questions Chapter-wise
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Comments
We not get the answer of chapter 6,7,8
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