What is the major product expected from the following reaction?

$\stackrel{\mathrm{D}-\mathrm{Cl}}{\to }$ Product

1.    2. 

3.    4. 

निम्नलिखित अभिक्रिया से क्या मुख्य उत्पाद अपेक्षित है?

$\stackrel{\mathrm{D}-\mathrm{Cl}}{\to }$ उत्पाद 

1.    2. 

3.    4. 

Correct order of rate of EAS (electrophilic aromatic substitution) is : 

(a) c > b > a > d

(b) c > d > a > b

(c) a > b > c > d

(d) c> d> b > a

EAS (इलेक्ट्रॉनरागी एरोमैटिक प्रतिस्थापन) की दर का सही क्रम क्या है?

(a) c > b > a > d

(b) c > d > a > b

(c) a > b > c > d

(d) c> d> b > a

$\begin{array}{ccccc}{\mathrm{CH}}_3& -& \stackrel{{\mathrm{CH}}_3}{\underset{{\mathrm{CH}}_3}{\stackrel{|}{\underset{|}{\mathrm{CH}}}}}& +& {\mathrm{H}}_2\mathrm{C}\end{array}$ = CH₂$\underset{2.5^0\mathrm{C}}{\overset{\mathrm{HF}}{\to }}$(A);    (A) is:

(a) 

(b) 

(c) 

(d) CH₃-$\begin{array}{c}\underset{|}{\mathrm{CH}}\\ {\mathrm{CH}}_3\end{array}$-CH₂-CH=CH₂

$\begin{array}{ccccc}{\mathrm{CH}}_3& -& \stackrel{{\mathrm{CH}}_3}{\underset{{\mathrm{CH}}_3}{\stackrel{|}{\underset{|}{\mathrm{CH}}}}}& +& {\mathrm{H}}_2\mathrm{C}\end{array}$ = CH₂$\underset{2.5^0\mathrm{C}}{\overset{\mathrm{HF}}{\to }}$(A), (A) क्या है?

(a) 

(b) 

(c) 

(d) CH₃-$\begin{array}{c}\underset{|}{\mathrm{CH}}\\ {\mathrm{CH}}_3\end{array}$-CH₂-CH=CH₂

$<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\mathrm{Cl}$
$\mathrm{Ph}-\underset{\left|}{\overset{\right|}{\mathrm{C}}}-{\mathrm{CH}}_3<mspace\; width="1em"></mspace>\stackrel{3{\mathrm{NaNH}}_2}{\to }<mspace\; width="1em"></mspace>\left(\mathrm{A}\right)$
$<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\mathrm{Cl}<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\mathrm{product}$ ; Product (A) is:

(a) Ph-CH=CH₂          (b) Ph-C$\equiv$CH              (c) Ph-CH₂-CH₃             (d) Ph-C$\equiv$$\stackrel{⊝}{\mathrm{C}}\stackrel{\oplus }{\mathrm{Na}}$

$<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\mathrm{Cl}$
$\mathrm{Ph}-\underset{\left|}{\overset{\right|}{\mathrm{C}}}-{\mathrm{CH}}_3<mspace\; width="1em"></mspace>\stackrel{3{\mathrm{NaNH}}_2}{\to }<mspace\; width="1em"></mspace>\left(\mathrm{A}\right)$
$<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\mathrm{Cl}<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\text{उत्पाद\hspace{0.17em}}$, उत्पाद (A) क्या है?

(a) Ph-CH = CH₂  (b) Ph-C$\equiv$CH  (c) Ph-CH₂-CH₃  (d) Ph-C$\equiv$$\stackrel{⊝}{\mathrm{C}}\stackrel{\oplus }{\mathrm{Na}}$

$\underset{\left(2\right) {\mathrm{NaBH}}_4, {\mathrm{HO}}^{-}}{\overset{\left(1\right) ({\mathrm{CF}}_2{\mathrm{CO}}_2{)}_2\mathrm{Hg}, {\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}}{\to }} \underset{(100\%)}{\left(P\right)}$; Product (P) is :

$\underset{\left(2\right) {\mathrm{NaBH}}_4, {\mathrm{HO}}^{-}}{\overset{\left(1\right) ({\mathrm{CF}}_2{\mathrm{CO}}_2{)}_2\mathrm{Hg}, {\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}}{\to }} \underset{(100\%)}{\left(P\right)}$, उत्पाद (P) क्या है?

The major product of the following reaction is:

${\mathrm{CH}}_3-\mathrm{CH}={\mathrm{CH}}_2<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>\mathrm{HBr}<mspace\; width="1em"></mspace>\stackrel{({\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CO}{)}_2{\mathrm{O}}_2}{\to }$

(a) ${\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{CH}}_2-\mathrm{Br}$

(b) ${\mathrm{CH}}_3\mathrm{CH}\left(\mathrm{Br}\right)-{\mathrm{CH}}_3$

(c) ${\mathrm{BrCH}}_2-\mathrm{CH}={\mathrm{CH}}_2$

निम्नलिखित अभिक्रिया का मुख्य उत्पाद क्या है?

${\mathrm{CH}}_3-\mathrm{CH}={\mathrm{CH}}_2<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>\mathrm{HBr}<mspace\; width="1em"></mspace>\stackrel{({\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CO}{)}_2{\mathrm{O}}_2}{\to }$

(a) ${\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{CH}}_2-\mathrm{Br}$

(b) ${\mathrm{CH}}_3\mathrm{CH}\left(\mathrm{Br}\right)-{\mathrm{CH}}_3$

(c) ${\mathrm{BrCH}}_2-\mathrm{CH}={\mathrm{CH}}_2$

 cis-2-butene $\underset{\mathrm{Peroxide}}{\overset{\mathrm{HBr}}{\to }}$Product of the reaction is :

(a) Racemic

(b) Diastereomer

(c) Meso

(d) E and Z isomer

समपक्ष-2-ब्यूटीन$\underset{\text{परॉक्साइड}<mspace\; width="1em"></mspace>}{\overset{\mathrm{HBr}}{\to }}$ अभिक्रिया का उत्पाद क्या है?

(a) रेसिमिक

(b) अप्रतिबिंबी त्रिविम समावयव

(c) मेसो 

(d) E और Z समावयवी 

Which of the following compouinds would liberate two moles of methane when treated with methyl magnesium bromide?

(1)
(2)
(3)
(4)

मेथिल मैग्नीशियम ब्रोमाइड के साथ उपचारित करने पर, निम्नलिखित में से कौन सा यौगिक मेथेन के दो मोल को मुक्त करेगा?

(1)
(2)
(3)
(4)

Compound 'P' of the following reaction swequence can be

(1)
(2)
(3)
(4)

निम्नलिखित अभिक्रिया अनुक्रम में यौगिक 'P' हो सकता है?

(1)
(2)
(3)
(4)