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Multiple choice question

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iz'u&43 fuEu dks izsj.k izHkko ds vk/kkj ij Li"V djks&<br />

(a) ,YdhUl esa fo"ke ;ksx vfHkfØ;k<br />

(b) dkcksZfDlfyd ,flM dh vEyh;rk ij izHkko<br />

Explain the following on the basis of inductive effect–<br />

(a) Heterogenic or unsymmetric addition in alkenes.<br />

(b) Effect on acidity of carboxyllic acids.<br />

iz'u&44 izsjf.kd izHkko fdls dgk tkrk gS\ _.kkRed ,oa /kukRed izsjf.kd izHkko dks<br />

mnkgj.k dh lgk;rk ls Li"V dhft;s vkSj blds dqN vuqiz;ksx Hkh nhft;s\<br />

What is inductive or transmission effect? Explain with example (+)ve and<br />

(—) ve inductive effect, also give some applications of it?<br />

iz'u&45 bySDVªkseSfjd izHkko fdls dgrs gS\ (+) Red ,oa (—) Red bySDVªksesfjd izHkko<br />

dks Li"V dhft;s\ bl izHkko ds D;k vuqiz;ksx gSa\<br />

What is electromeric effect? Explain (+) and (–)ve electromeric effect? What<br />

are its application?<br />

iz'u&46 ehlkseSfVd ;k vuqukn izHkko ls D;k vfHkizk; gS\ blds dqN vuqiz;ksx<br />

nhft;s\<br />

What is mesomeric or resonance effect? Give some of its application?<br />

iz'u&47 vfr la;qXeu fdls dgk tkrk gS\ α dkcZu ls tqMs+ H ijek.kqvksa dh la[;k dk<br />

bl izHkko ls D;k laca/k gS\ mnkgj.k }kjk Li"V djks\<br />

What is hyper conjugation? What is the relationship of this effect with number<br />

of H–atoms attached to α carbon atom? Explain with examples.<br />

iz'u&48 eqDr ewyd D;k gSa\ ;g fdl izdkj fufeZr gksrs gSa\ izkFkfed] f}rh;d ,oa<br />

r`rh;d eqDr ewydksa ds mnkgj.k nhft;s\ buds LFkkf;Ro dks izHkkfor djus<br />

okys dkjdksa dk Øe Hkh nhft;s\<br />

87

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