Which among the following compounds has minimum pH value?

1. butane

2. 2-butene

3. 1-butyne

4. 2-butyne

In the given reaction,

${\mathrm{C}}_6{\mathrm{H}}_5-\mathrm{C}\equiv \mathrm{C}-{\mathrm{CH}}_3\stackrel{\mathrm{Na}/{\mathrm{NH}}_3\left(\mathcal{l}\right)}{\to }\left[\mathrm{X}\right]$

[X] will be 

1. 1-phenylpropane

2. 1-phenylpropene

3. trans-1-phenyl propene

4. cis-1-phenylpropene

In the given reaction,

[X] will be:

(1) 

(2) 

(3) 

(4) 

Arrange the reactivity of given compounds in decreasing order for electrophilic addition reaction:

(i)  ${\mathrm{C}}_6{\mathrm{H}}_5-\mathrm{CH}={\mathrm{CH}}_2$

(ii) ${\mathrm{C}}_6{\mathrm{H}}_5-\underset{\underset{{\mathrm{CH}}_3}{|}}{\mathrm{C}}=\mathrm{CH}-{\mathrm{CH}}_3$

(iii) ${\mathrm{C}}_6{\mathrm{H}}_5-\underset{\underset{{\mathrm{C}}_6{\mathrm{H}}_5}{|}}{\mathrm{C}}=\mathrm{CH}-{\mathrm{CH}}_3$

(iv) ${\mathrm{H}}_2\mathrm{C}=\mathrm{CH}-{\mathrm{NO}}_2$

Select the correct answer from the codes given below:

Codes:

(1) (iv) (i) (ii) (iii)

(2) (iii) (ii) (i) (iv) 

(3) (ii) (iii) (i) (iv)

(4) (ii) (iii) (iv) (i)

In which compounds addition reaction will take place according to anti-Markovnikov's rule?

(i) $H_{2}C=CH-N{O}_2$

(ii) $H_{2}C=CH-CHO$

(iii) $H_{2}C=CH-CN$

(iv) $C{H}_3-CH=C{H}_2$

Select the correct  answer from the codes given below:

Codes:

(1) (i), (ii) and (iii)

(2) (i), (ii) and (iv)

(3) (i) and (ii)

(4) (i) and (iii) 

Consider the following statements:

(i) Alkene is more reactive than alkyne for electrophilic addition reaction.

(ii) Alkyne gives nucleophilic as well as electrophilic addition reaction.

(iii) Alkyne is more reactive than alkene for nucleophilic addition reaction.

(iv) For electrophilic addition reaction, RI of alkyne is alkyl carbonation.

Of these, correct statements are:

(1) only (i)

(2) (i) and (ii)

(3) (i), (ii) and (iv)

(4) (i), (ii) and (iii)

In the given reaction

$\underset{{\mathrm{N}}_2 \mathrm{gas}}{\overset{{\mathrm{CH}}_2{\mathrm{N}}_2/\mathrm{h\nu }}{\to }}$

The product will be:

1. 

2. 

3. Mixture of 1 and 2 

4. $C{H}_3-C{H}_2-C{H}_2-C{H}_2-C{H}_3$

Which compound is least reactive for nucleophilic addition reaction?

(1) ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CHO}$

(2) ${\mathrm{C}}_6{\mathrm{H}}_5-\stackrel{\mathrm{O}}{\stackrel{\left|\right|}{\mathrm{C}}}-{\mathrm{CH}}_3$

(3) ${\mathrm{C}}_6{\mathrm{H}}_5-\stackrel{\mathrm{O}}{\stackrel{\left|\right|}{\mathrm{C}}}-{\mathrm{C}}_6{\mathrm{H}}_5$

(4) ${\mathrm{CH}}_3-\stackrel{\mathrm{O}}{\stackrel{\left|\right|}{\mathrm{C}}}-{\mathrm{CH}}_3$

Arrange the reactivity of given carbonyl compounds in decreasing order for addition reaction:

(i) $C{H}_{2}Br-CHO$

(ii) $C{H}_{2}Cl-CHO$

(iii) $C{H}_{2}I-CHO$

(iv) $C{H}_3-CHO$

Select the correct answer from the codes given below:

Codes:

(1) (iv), (iii), (ii), (i)

(2) (ii), (i), (iii), (iv)

(3) (ii), (i), (iv), (iii)

(4) (i), (ii), (iii), (iv)

Arrange the reactivity of the given compounds in decreasing order for addition followed by elimination reaction:

(i) p-Cl$-C_6{H}_4-CHO$

(ii) p-Br$-C_6{H}_4-CHO$

(iii) p-F$-C_6{H}_4-CHO$

(iv) p-I$-C_6{H}_4-CHO$

Select the correct answer from the codes given below:

Codes:

(1) (i), (iii), (ii), (iv)

(2) (i), (iii), (iv), (ii)

(3) (iii), (i), (iv), (ii)

(4) (iii), (i), (ii), (iv)