230077
Alkyl halide reacting with metallic sodium in dry ether solution is called
1 Friedel-Craft's reaction
2 Sandmeyer's reaction
3 Wurtz reaction
4 Gabriel's reaction
Explanation:
: \(\underset{\substack{\text { Alkyl } \\ \text { halide }}}{\mathrm{R}}-\mathrm{X}+\underset{\substack{\text { Sodium } \\ \text { metal }}}{\mathrm{Na}} \xrightarrow[-\mathrm{NaCl}]{\text { dry ether }} \mathrm{R}-\mathrm{R}\) Alkyl halide reacting with metallic sodium in dry ether solution is called as Wurtz reaction.
A.P. EAMCET-1996
Hydrocarbons
230078
Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?
1 Methane
2 Ethane
3 Carbon dioxide
4 Propane
Explanation:
: Ethyl alcohol reacts with methyl magnesium iodide as-
A.P.EAMCET/2003
Hydrocarbons
230079
In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hv }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen
1 Increases the rate of reaction of a brief period of time.
2 Decreases the rate of reaction for a brief period of time.
3 Does not affect the rate of reaction.
4 Completely stops the reaction.
Explanation:
: In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hw }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen then completely stops the reaction.
MPPET- 2009
Hydrocarbons
230080
Which one of the following hydrocarbons has octane number 100 ?
1 2,2,3-trimethylpentane
2 2,3,3-trimethylpentane
3 2,2,4-trimethylpentane
4 2, 3,4-trimethylpentane
Explanation:
: Isooctane as a reference standard 2,2,4 trimethylpentane (iso-octane) has as octane rating of 100 where as n-heptane has an octane rating of zero
SCRA-2010
Hydrocarbons
230081
The petrol of octane number 80 has :
1 $80 \%$ n-heptane $+20 \%$ iso-octane
2 $20 \%$ n-heptane $+80 \%$ iso-octane
3 $20 \%$ n-heptane $+80 \%$ n-octane
4 $80 \%$ n-heptane $+20 \%$ n-octane
Explanation:
: Octane Number is a figure indicate the antiknock properties of a fuel based on a comparison with mixture of isooctane and heptane. 80 octane number of petrol means, petrol has $20 \%$ n-heptane + $80 \%$ isooctance.
230077
Alkyl halide reacting with metallic sodium in dry ether solution is called
1 Friedel-Craft's reaction
2 Sandmeyer's reaction
3 Wurtz reaction
4 Gabriel's reaction
Explanation:
: \(\underset{\substack{\text { Alkyl } \\ \text { halide }}}{\mathrm{R}}-\mathrm{X}+\underset{\substack{\text { Sodium } \\ \text { metal }}}{\mathrm{Na}} \xrightarrow[-\mathrm{NaCl}]{\text { dry ether }} \mathrm{R}-\mathrm{R}\) Alkyl halide reacting with metallic sodium in dry ether solution is called as Wurtz reaction.
A.P. EAMCET-1996
Hydrocarbons
230078
Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?
1 Methane
2 Ethane
3 Carbon dioxide
4 Propane
Explanation:
: Ethyl alcohol reacts with methyl magnesium iodide as-
A.P.EAMCET/2003
Hydrocarbons
230079
In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hv }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen
1 Increases the rate of reaction of a brief period of time.
2 Decreases the rate of reaction for a brief period of time.
3 Does not affect the rate of reaction.
4 Completely stops the reaction.
Explanation:
: In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hw }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen then completely stops the reaction.
MPPET- 2009
Hydrocarbons
230080
Which one of the following hydrocarbons has octane number 100 ?
1 2,2,3-trimethylpentane
2 2,3,3-trimethylpentane
3 2,2,4-trimethylpentane
4 2, 3,4-trimethylpentane
Explanation:
: Isooctane as a reference standard 2,2,4 trimethylpentane (iso-octane) has as octane rating of 100 where as n-heptane has an octane rating of zero
SCRA-2010
Hydrocarbons
230081
The petrol of octane number 80 has :
1 $80 \%$ n-heptane $+20 \%$ iso-octane
2 $20 \%$ n-heptane $+80 \%$ iso-octane
3 $20 \%$ n-heptane $+80 \%$ n-octane
4 $80 \%$ n-heptane $+20 \%$ n-octane
Explanation:
: Octane Number is a figure indicate the antiknock properties of a fuel based on a comparison with mixture of isooctane and heptane. 80 octane number of petrol means, petrol has $20 \%$ n-heptane + $80 \%$ isooctance.
230077
Alkyl halide reacting with metallic sodium in dry ether solution is called
1 Friedel-Craft's reaction
2 Sandmeyer's reaction
3 Wurtz reaction
4 Gabriel's reaction
Explanation:
: \(\underset{\substack{\text { Alkyl } \\ \text { halide }}}{\mathrm{R}}-\mathrm{X}+\underset{\substack{\text { Sodium } \\ \text { metal }}}{\mathrm{Na}} \xrightarrow[-\mathrm{NaCl}]{\text { dry ether }} \mathrm{R}-\mathrm{R}\) Alkyl halide reacting with metallic sodium in dry ether solution is called as Wurtz reaction.
A.P. EAMCET-1996
Hydrocarbons
230078
Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?
1 Methane
2 Ethane
3 Carbon dioxide
4 Propane
Explanation:
: Ethyl alcohol reacts with methyl magnesium iodide as-
A.P.EAMCET/2003
Hydrocarbons
230079
In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hv }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen
1 Increases the rate of reaction of a brief period of time.
2 Decreases the rate of reaction for a brief period of time.
3 Does not affect the rate of reaction.
4 Completely stops the reaction.
Explanation:
: In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hw }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen then completely stops the reaction.
MPPET- 2009
Hydrocarbons
230080
Which one of the following hydrocarbons has octane number 100 ?
1 2,2,3-trimethylpentane
2 2,3,3-trimethylpentane
3 2,2,4-trimethylpentane
4 2, 3,4-trimethylpentane
Explanation:
: Isooctane as a reference standard 2,2,4 trimethylpentane (iso-octane) has as octane rating of 100 where as n-heptane has an octane rating of zero
SCRA-2010
Hydrocarbons
230081
The petrol of octane number 80 has :
1 $80 \%$ n-heptane $+20 \%$ iso-octane
2 $20 \%$ n-heptane $+80 \%$ iso-octane
3 $20 \%$ n-heptane $+80 \%$ n-octane
4 $80 \%$ n-heptane $+20 \%$ n-octane
Explanation:
: Octane Number is a figure indicate the antiknock properties of a fuel based on a comparison with mixture of isooctane and heptane. 80 octane number of petrol means, petrol has $20 \%$ n-heptane + $80 \%$ isooctance.
NEET Test Series from KOTA - 10 Papers In MS WORD
WhatsApp Here
Hydrocarbons
230077
Alkyl halide reacting with metallic sodium in dry ether solution is called
1 Friedel-Craft's reaction
2 Sandmeyer's reaction
3 Wurtz reaction
4 Gabriel's reaction
Explanation:
: \(\underset{\substack{\text { Alkyl } \\ \text { halide }}}{\mathrm{R}}-\mathrm{X}+\underset{\substack{\text { Sodium } \\ \text { metal }}}{\mathrm{Na}} \xrightarrow[-\mathrm{NaCl}]{\text { dry ether }} \mathrm{R}-\mathrm{R}\) Alkyl halide reacting with metallic sodium in dry ether solution is called as Wurtz reaction.
A.P. EAMCET-1996
Hydrocarbons
230078
Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?
1 Methane
2 Ethane
3 Carbon dioxide
4 Propane
Explanation:
: Ethyl alcohol reacts with methyl magnesium iodide as-
A.P.EAMCET/2003
Hydrocarbons
230079
In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hv }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen
1 Increases the rate of reaction of a brief period of time.
2 Decreases the rate of reaction for a brief period of time.
3 Does not affect the rate of reaction.
4 Completely stops the reaction.
Explanation:
: In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hw }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen then completely stops the reaction.
MPPET- 2009
Hydrocarbons
230080
Which one of the following hydrocarbons has octane number 100 ?
1 2,2,3-trimethylpentane
2 2,3,3-trimethylpentane
3 2,2,4-trimethylpentane
4 2, 3,4-trimethylpentane
Explanation:
: Isooctane as a reference standard 2,2,4 trimethylpentane (iso-octane) has as octane rating of 100 where as n-heptane has an octane rating of zero
SCRA-2010
Hydrocarbons
230081
The petrol of octane number 80 has :
1 $80 \%$ n-heptane $+20 \%$ iso-octane
2 $20 \%$ n-heptane $+80 \%$ iso-octane
3 $20 \%$ n-heptane $+80 \%$ n-octane
4 $80 \%$ n-heptane $+20 \%$ n-octane
Explanation:
: Octane Number is a figure indicate the antiknock properties of a fuel based on a comparison with mixture of isooctane and heptane. 80 octane number of petrol means, petrol has $20 \%$ n-heptane + $80 \%$ isooctance.
230077
Alkyl halide reacting with metallic sodium in dry ether solution is called
1 Friedel-Craft's reaction
2 Sandmeyer's reaction
3 Wurtz reaction
4 Gabriel's reaction
Explanation:
: \(\underset{\substack{\text { Alkyl } \\ \text { halide }}}{\mathrm{R}}-\mathrm{X}+\underset{\substack{\text { Sodium } \\ \text { metal }}}{\mathrm{Na}} \xrightarrow[-\mathrm{NaCl}]{\text { dry ether }} \mathrm{R}-\mathrm{R}\) Alkyl halide reacting with metallic sodium in dry ether solution is called as Wurtz reaction.
A.P. EAMCET-1996
Hydrocarbons
230078
Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?
1 Methane
2 Ethane
3 Carbon dioxide
4 Propane
Explanation:
: Ethyl alcohol reacts with methyl magnesium iodide as-
A.P.EAMCET/2003
Hydrocarbons
230079
In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hv }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen
1 Increases the rate of reaction of a brief period of time.
2 Decreases the rate of reaction for a brief period of time.
3 Does not affect the rate of reaction.
4 Completely stops the reaction.
Explanation:
: In the reaction $\mathrm{Cl}_2+\mathrm{CH}_4 \stackrel{\text { hw }}{\longrightarrow} \mathrm{CH}_3 \mathrm{Cl}+\mathrm{HCl}$ presence of a small amount of oxygen then completely stops the reaction.
MPPET- 2009
Hydrocarbons
230080
Which one of the following hydrocarbons has octane number 100 ?
1 2,2,3-trimethylpentane
2 2,3,3-trimethylpentane
3 2,2,4-trimethylpentane
4 2, 3,4-trimethylpentane
Explanation:
: Isooctane as a reference standard 2,2,4 trimethylpentane (iso-octane) has as octane rating of 100 where as n-heptane has an octane rating of zero
SCRA-2010
Hydrocarbons
230081
The petrol of octane number 80 has :
1 $80 \%$ n-heptane $+20 \%$ iso-octane
2 $20 \%$ n-heptane $+80 \%$ iso-octane
3 $20 \%$ n-heptane $+80 \%$ n-octane
4 $80 \%$ n-heptane $+20 \%$ n-octane
Explanation:
: Octane Number is a figure indicate the antiknock properties of a fuel based on a comparison with mixture of isooctane and heptane. 80 octane number of petrol means, petrol has $20 \%$ n-heptane + $80 \%$ isooctance.
