Predict the product from claisen condensation of the following pair of esters. `Ph-CH_(2)-underset(O)underset(||)(C)-OCH_(3)+Ph-underset(O)underset(||

Monjur Alahi

Predict the product from claisen condensation of the following pair of esters.
`Ph-CH_(2)-underset(O)underset(||)(C)-OCH_(3)+Ph-underset(O)underset(||)(C)-OCH_(3)overset(EtO^(Theta))to`


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Salim Ahmed Kawsar

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Correct Answer - `(a) CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)(C)-CH=CH-underset(O)underset(||)(C)-H " " Ph-CH-underset(CH_(3))underset(|)(C)-overset(O)overset(||)(C)-H`

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The suffix of principal group, the prefixes for the other groups and the name of the parent in the structure. `HO-CH_(2)-underset(CH_(3))underset(|)CH

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Write the IUP AC name of the following compound : `CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-underset(Cl)underset(|)CH-CH_(3)`

3-Chloro, 2-dimethylbutane.

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`CH_(3)-CH_(2)-CH_(3)ltCH_(3)-CHOltCH_(3)-CH_(2)-OH`

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Write the IUPAC name of the following compound: `CH_(3)-underset(Br)underset(|)CH-CH_(2)-underset(Cl)underset(|)CH-CH_(3)`

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Write the IUPAC name of the following compound: `H_(3)C-underset(CH_(3))underset(|)(C)=underset(Br)underset(|)(C)-CH_(2)-OH`

IUPAC name, 2-Bromo-3-methyl but-2-en-1-ol.

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Write he IUPAC name of the following compound: `CH_(3)-O-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH_(3)`

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Correct Answer - (I) `CH_(3)-underset(overset(|)(OH))(C)H-CH=CH-CH_(3)` Number of stereocentres = 2 so total number of stereoisomers = `2^(2)` = 4 (II) All 4 isomers are optically active. (III) Total enantiomeric pairs...

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Write the product of following reactions `(a) CH_3-CH_(2)-OH overset(I_(2)//KOH)to "" Ph-CH_(2)-CO-CH_(3)overset(I_(2)//KOH)to` (c) CH_(3)-underset(OH

Correct Answer - (a)`CHI_(3)+HCOO^(Theta)K^(o+) " " (b) CHI_(3)+PhCH_(2)COO^(Theta)K^(o+) " " (c) CHI_(3)+Ph-COOK`

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For a reaction `CH_(3)OCH_(3) (g) rarr CH_(4) (g)+H_(2) (g)+CO(g)` at 750K, the rate constant is `3.52xx10^(-3)" min"^(-1)`. Starting with a pressure

Correct Answer - `03.5`

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निम्नलिखित यौगिकों के आईयूपीएसी (IUPAC) नामपद्धति में नाम लिखिए `{:("(i) "CH_(3)CH(CH_(3))CH_(2)CH_(2)CHO," (ii) "CH_(3)CH_(2)COCH(C_(2)H_(5))CH_(2)CH

Correct Answer - (i) 4-मेथिपेंटल `" "` (ii) 6-क्लोरो-4-एथिलहेक्सेन-3-ओन (iii) ब्यूट-2-इनैल `" "` (iv) पेन्टेन2-4-डाईओन (v) 3,3,5-ट्राइमेथिलहेक्सेन-2-ओन `" "` (vi) 3,3-डाइमेथिलब्यूटेनाइक अम्ल (vii) बेंजीन-1,4-डाइकाबेल्डिहाइड

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