Organic Chemistry – Some Basic Principles and Techniques
Madhya Pradesh Board · Class 11 · Chemistry
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What was the historic turning point that disproved the vital force theory in organic chemistry?
Answer
Urea was synthesised by Wohler in 1828 from ammonium cyanate, disproving the vital force theory. Equation: NH4CNO(s) heat NH2CONH2(s)…
वह कौन सा ऐतिहासिक मोड़ था जिसने कार्बनिक रसायन विज्ञान में महत्वपूर्ण बल सिद्धांत को गलत साबित कर दिया?
Answer
यूरिया को वोहलर ने 1828 में अमोनियम सायनेट से संश्लेषित किया था। जिससे प्राण शक्ति सिद्धान्त गलत साबित हुआ। समीकरण: NH4CNO(s) ऊष्मा NH2CONH2(s)…
बर्ज़ेलियस ने कार्बनिक यौगिकों के निर्माण के बारे में क्या प्रस्ताव दिया?
Answer
बर्ज़ेलियस ने प्रस्तावित किया कि कार्बनिक यौगिकों के निर्माण के लिए एक महत्वपूर्ण शक्ति जिम्मेदार थी।…
What did Berzelius propose about the formation of organic compounds?
Answer
Berzelius proposed that a vital force was responsible for the formation of organic compounds.
Why are sp hybrid orbitals associated with shorter and stronger bonds than sp3 hybrid orbitals?
Answer
sp hybrid orbitals have more s character than sp3 hybrid orbitals. Greater s character keeps the electrons closer to the nucleus, so the bond formed is shorter and stronger. Order of electronegativit…
ssp संकर कक्षीय sp3 संकर कक्षीयों की तुलना में छोटे और मजबूत बंधनों से क्यों जुड़े होते हैं?
Answer
sp संकर कक्षकों में sp3 संकर कक्षकों की अपेक्षा अधिक s लक्षण होता है। अधिक s लक्षण इलेक्ट्रॉनों को नाभिक के समीप रखता है, अतः जो बंधन बनता है वह छोटा और मजबूत होता है। विद्युतऋणात्मकता का क्रम: sp > s…
घूर्णन C=C double bond restricted? के बारे में क्यों है?
Answer
एक C=C bond contains a pi bond formed by sideways overlap of paralll p कक्षक। घूर्णन इस अतिव्यापन को बाधित करेगा, इसलिए घूर्णन प्रतिबंधित है। यह कई बंधनों वाले अणुओं में पाई बंधनों को सबसे अधिक प्रतिक…
Why is rotation about a C=C double bond restricted?
Answer
A C=C bond contains a pi bond formed by sideways overlap of parallel p orbitals. Rotation would disturb this overlap, so rotation is restricted. This also makes pi bonds the most reactive centres in …
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