230255
Which one of the following is most reactive towards electrophilic attack?
1
2
3
4
Explanation:
: The group having electron donating effect should have stablise the intermediate ion. i.e makes the ring more reactive towards electrophilic substitution on benzene and called activing group. Hence, phenol is more readily attacked by an electrophilc.
1999]**
Hydrocarbons
230106
In the following reaction, $A$ and $B$ respectively are : $\mathrm{C}_2 \mathrm{H}_6 \stackrel{\mathrm{A}}{\longrightarrow} \mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl} \stackrel{\mathrm{Zn} / \mathrm{HCl}}{\longrightarrow} \mathrm{B}$
1 $\mathrm{Cl}_2 / \mathrm{UV}$ light and $\mathrm{C}_2 \mathrm{H}_6$
2 $\mathrm{PCl}_3$ and $\mathrm{C}_2 \mathrm{H}_4$
3 $\mathrm{HCl}$ and $\mathrm{C}_2 \mathrm{H}_6$
4 $\mathrm{Cl}_2$ and $\mathrm{C}_2 \mathrm{H}_2$
Explanation:
: The reaction of ethane with chlorine in presence of sun light gives the ethyl chloride. Further ethyl chloride on reduction with $\mathrm{Zn} / \mathrm{HCl}$ gives the ethane.
AP-EAMCET (Medical)
Hydrocarbons
230108
In the following reaction, $X$ and $Y$ are : $2 \mathrm{C}_2 \mathrm{H}_6+7 \mathrm{O}_2 \stackrel{\text { comburtion }}{\longrightarrow} \mathrm{X}+\mathrm{Y}+$ Heat
: The combustion of any hydrocarbon in presence of air gives carbondioxide and water $\left(\mathrm{CO}_2+\right.$ $\mathrm{H}_2 \mathrm{O}$ ). The equation for the combustion of ethane is given below - $\underset{\text { Ethane }}{2 \mathrm{C}_2} \mathrm{H}_6+\underset{\text { Oxygea }}{7 \mathrm{O}_2} \longrightarrow \underset{\text { Crrbsudioxide }}{4 \mathrm{CO}_2}+\underset{\text { trase }}{6 \mathrm{H}_2 \mathrm{O}}$
AP-EAMCET (Medical)
Hydrocarbons
230109
The reactants and reaction conditions used in the preparation of ethane are :
: Preparation of ethane in the reduction of Ethyl iodide by $\mathrm{Zn}-\mathrm{Cu}$ couple in ethanol gives the ethane. \(\underset{\text { Ethyl iodide }}{\mathrm{CH}_3-\mathrm{CH}_2}-\mathrm{I}+2[\mathrm{H}] \xrightarrow[\mathrm{C}_2 \mathrm{H}_5-\mathrm{OH}]{\mathrm{Zn} \mathrm{Cu}} \underset{\text { Ethane }}{\mathrm{C}_2 \mathrm{H}_6}+\mathrm{HI}\)
230255
Which one of the following is most reactive towards electrophilic attack?
1
2
3
4
Explanation:
: The group having electron donating effect should have stablise the intermediate ion. i.e makes the ring more reactive towards electrophilic substitution on benzene and called activing group. Hence, phenol is more readily attacked by an electrophilc.
1999]**
Hydrocarbons
230106
In the following reaction, $A$ and $B$ respectively are : $\mathrm{C}_2 \mathrm{H}_6 \stackrel{\mathrm{A}}{\longrightarrow} \mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl} \stackrel{\mathrm{Zn} / \mathrm{HCl}}{\longrightarrow} \mathrm{B}$
1 $\mathrm{Cl}_2 / \mathrm{UV}$ light and $\mathrm{C}_2 \mathrm{H}_6$
2 $\mathrm{PCl}_3$ and $\mathrm{C}_2 \mathrm{H}_4$
3 $\mathrm{HCl}$ and $\mathrm{C}_2 \mathrm{H}_6$
4 $\mathrm{Cl}_2$ and $\mathrm{C}_2 \mathrm{H}_2$
Explanation:
: The reaction of ethane with chlorine in presence of sun light gives the ethyl chloride. Further ethyl chloride on reduction with $\mathrm{Zn} / \mathrm{HCl}$ gives the ethane.
AP-EAMCET (Medical)
Hydrocarbons
230108
In the following reaction, $X$ and $Y$ are : $2 \mathrm{C}_2 \mathrm{H}_6+7 \mathrm{O}_2 \stackrel{\text { comburtion }}{\longrightarrow} \mathrm{X}+\mathrm{Y}+$ Heat
: The combustion of any hydrocarbon in presence of air gives carbondioxide and water $\left(\mathrm{CO}_2+\right.$ $\mathrm{H}_2 \mathrm{O}$ ). The equation for the combustion of ethane is given below - $\underset{\text { Ethane }}{2 \mathrm{C}_2} \mathrm{H}_6+\underset{\text { Oxygea }}{7 \mathrm{O}_2} \longrightarrow \underset{\text { Crrbsudioxide }}{4 \mathrm{CO}_2}+\underset{\text { trase }}{6 \mathrm{H}_2 \mathrm{O}}$
AP-EAMCET (Medical)
Hydrocarbons
230109
The reactants and reaction conditions used in the preparation of ethane are :
: Preparation of ethane in the reduction of Ethyl iodide by $\mathrm{Zn}-\mathrm{Cu}$ couple in ethanol gives the ethane. \(\underset{\text { Ethyl iodide }}{\mathrm{CH}_3-\mathrm{CH}_2}-\mathrm{I}+2[\mathrm{H}] \xrightarrow[\mathrm{C}_2 \mathrm{H}_5-\mathrm{OH}]{\mathrm{Zn} \mathrm{Cu}} \underset{\text { Ethane }}{\mathrm{C}_2 \mathrm{H}_6}+\mathrm{HI}\)
NEET Test Series from KOTA - 10 Papers In MS WORD
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Hydrocarbons
230255
Which one of the following is most reactive towards electrophilic attack?
1
2
3
4
Explanation:
: The group having electron donating effect should have stablise the intermediate ion. i.e makes the ring more reactive towards electrophilic substitution on benzene and called activing group. Hence, phenol is more readily attacked by an electrophilc.
1999]**
Hydrocarbons
230106
In the following reaction, $A$ and $B$ respectively are : $\mathrm{C}_2 \mathrm{H}_6 \stackrel{\mathrm{A}}{\longrightarrow} \mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl} \stackrel{\mathrm{Zn} / \mathrm{HCl}}{\longrightarrow} \mathrm{B}$
1 $\mathrm{Cl}_2 / \mathrm{UV}$ light and $\mathrm{C}_2 \mathrm{H}_6$
2 $\mathrm{PCl}_3$ and $\mathrm{C}_2 \mathrm{H}_4$
3 $\mathrm{HCl}$ and $\mathrm{C}_2 \mathrm{H}_6$
4 $\mathrm{Cl}_2$ and $\mathrm{C}_2 \mathrm{H}_2$
Explanation:
: The reaction of ethane with chlorine in presence of sun light gives the ethyl chloride. Further ethyl chloride on reduction with $\mathrm{Zn} / \mathrm{HCl}$ gives the ethane.
AP-EAMCET (Medical)
Hydrocarbons
230108
In the following reaction, $X$ and $Y$ are : $2 \mathrm{C}_2 \mathrm{H}_6+7 \mathrm{O}_2 \stackrel{\text { comburtion }}{\longrightarrow} \mathrm{X}+\mathrm{Y}+$ Heat
: The combustion of any hydrocarbon in presence of air gives carbondioxide and water $\left(\mathrm{CO}_2+\right.$ $\mathrm{H}_2 \mathrm{O}$ ). The equation for the combustion of ethane is given below - $\underset{\text { Ethane }}{2 \mathrm{C}_2} \mathrm{H}_6+\underset{\text { Oxygea }}{7 \mathrm{O}_2} \longrightarrow \underset{\text { Crrbsudioxide }}{4 \mathrm{CO}_2}+\underset{\text { trase }}{6 \mathrm{H}_2 \mathrm{O}}$
AP-EAMCET (Medical)
Hydrocarbons
230109
The reactants and reaction conditions used in the preparation of ethane are :
: Preparation of ethane in the reduction of Ethyl iodide by $\mathrm{Zn}-\mathrm{Cu}$ couple in ethanol gives the ethane. \(\underset{\text { Ethyl iodide }}{\mathrm{CH}_3-\mathrm{CH}_2}-\mathrm{I}+2[\mathrm{H}] \xrightarrow[\mathrm{C}_2 \mathrm{H}_5-\mathrm{OH}]{\mathrm{Zn} \mathrm{Cu}} \underset{\text { Ethane }}{\mathrm{C}_2 \mathrm{H}_6}+\mathrm{HI}\)
230255
Which one of the following is most reactive towards electrophilic attack?
1
2
3
4
Explanation:
: The group having electron donating effect should have stablise the intermediate ion. i.e makes the ring more reactive towards electrophilic substitution on benzene and called activing group. Hence, phenol is more readily attacked by an electrophilc.
1999]**
Hydrocarbons
230106
In the following reaction, $A$ and $B$ respectively are : $\mathrm{C}_2 \mathrm{H}_6 \stackrel{\mathrm{A}}{\longrightarrow} \mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl} \stackrel{\mathrm{Zn} / \mathrm{HCl}}{\longrightarrow} \mathrm{B}$
1 $\mathrm{Cl}_2 / \mathrm{UV}$ light and $\mathrm{C}_2 \mathrm{H}_6$
2 $\mathrm{PCl}_3$ and $\mathrm{C}_2 \mathrm{H}_4$
3 $\mathrm{HCl}$ and $\mathrm{C}_2 \mathrm{H}_6$
4 $\mathrm{Cl}_2$ and $\mathrm{C}_2 \mathrm{H}_2$
Explanation:
: The reaction of ethane with chlorine in presence of sun light gives the ethyl chloride. Further ethyl chloride on reduction with $\mathrm{Zn} / \mathrm{HCl}$ gives the ethane.
AP-EAMCET (Medical)
Hydrocarbons
230108
In the following reaction, $X$ and $Y$ are : $2 \mathrm{C}_2 \mathrm{H}_6+7 \mathrm{O}_2 \stackrel{\text { comburtion }}{\longrightarrow} \mathrm{X}+\mathrm{Y}+$ Heat
: The combustion of any hydrocarbon in presence of air gives carbondioxide and water $\left(\mathrm{CO}_2+\right.$ $\mathrm{H}_2 \mathrm{O}$ ). The equation for the combustion of ethane is given below - $\underset{\text { Ethane }}{2 \mathrm{C}_2} \mathrm{H}_6+\underset{\text { Oxygea }}{7 \mathrm{O}_2} \longrightarrow \underset{\text { Crrbsudioxide }}{4 \mathrm{CO}_2}+\underset{\text { trase }}{6 \mathrm{H}_2 \mathrm{O}}$
AP-EAMCET (Medical)
Hydrocarbons
230109
The reactants and reaction conditions used in the preparation of ethane are :
: Preparation of ethane in the reduction of Ethyl iodide by $\mathrm{Zn}-\mathrm{Cu}$ couple in ethanol gives the ethane. \(\underset{\text { Ethyl iodide }}{\mathrm{CH}_3-\mathrm{CH}_2}-\mathrm{I}+2[\mathrm{H}] \xrightarrow[\mathrm{C}_2 \mathrm{H}_5-\mathrm{OH}]{\mathrm{Zn} \mathrm{Cu}} \underset{\text { Ethane }}{\mathrm{C}_2 \mathrm{H}_6}+\mathrm{HI}\)
