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Easy

Question

Which is U.P. spirit (containing ethyl alcohol by volume)?

  1. 85%    
  2. 75%    
  3. 65%    
  4. 55%    

The correct answer is: 55%

Related Questions to study

General
Chemistry-

When vapours of an alcohol are passed over hot reduced copper, alcohol is converted into alkene, the alcohol is:

When vapours of an alcohol are passed over hot reduced copper, alcohol is converted into alkene, the alcohol is:

Chemistry-General
General
Chemistry-

Primary amine on treatment with N a N O subscript 2 end subscript and HCI yields:

Primary amine on treatment with N a N O subscript 2 end subscript and HCI yields:

Chemistry-General
General
Chemistry-

Alcoholic fermentation is brought by:

Alcoholic fermentation is brought by:

Chemistry-General
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General
Chemistry-

HBr reacts fastest with:

HBr reacts fastest with:

Chemistry-General
General
Chemistry-

Which one of the following alcohols reacts most readily with Lucas reagent?

Which one of the following alcohols reacts most readily with Lucas reagent?

Chemistry-General
General
Chemistry-

In this reaction,

the molecule (A) and the reagent (B) are :

In this reaction,

the molecule (A) and the reagent (B) are :

Chemistry-General
parallel
General
Chemistry-

Propene on reaction with carbon monoxide and hydrogen at high temperature under pressure in presence of cobalt carbonyl catalyst gives:

Propene on reaction with carbon monoxide and hydrogen at high temperature under pressure in presence of cobalt carbonyl catalyst gives:

Chemistry-General
General
Chemistry-

What is the product (A) in the following reaction?

What is the product (A) in the following reaction?

Chemistry-General
General
Chemistry-

A compound soluble in conc. H subscript 2 end subscript S O subscript 4 end subscript ' It does not decolourise bromine in C C l subscript 4 end subscript but oxidised by chromic anhydride in aqueous H subscript 2 end subscript S O subscript 4 end subscript within two seconds, turning orange solution to blue, green, and then opaque. The original compound is:

A compound soluble in conc. H subscript 2 end subscript S O subscript 4 end subscript ' It does not decolourise bromine in C C l subscript 4 end subscript but oxidised by chromic anhydride in aqueous H subscript 2 end subscript S O subscript 4 end subscript within two seconds, turning orange solution to blue, green, and then opaque. The original compound is:

Chemistry-General
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General
Chemistry-

Free radical halogenation takes place in the presence of light or at high temperature (above 773K). Formation of halogen free radical intermediate takes place in first step called chain initiation step.
C l subscript 2 end subscript stack ⟶ with h v on top 2 C l to the power of ring operator end exponent
This reaction is mainly given by those compounds which have atleast one hydrogen atom present at s p to the power of 3 end exponent -hybrid carbon. Reactivity of s p to the power of 3 end exponent -hybrid carbon depends on the reactivity of reaction intermediate. The relative rate of formation of alkyl radicals by a chlorine radical is :
text Tertiary  end text stack greater than with left parenthesis 5 right parenthesis below stack text  Secondary  end text with left parenthesis 3.8 right parenthesis below greater than stack text  Primary  end text with left parenthesis 1 right parenthesis below
Percentage yield of the product =fraction numerator R e l a t i v e blank a m o u n t blank cross times 100 over denominator S u m blank o f blank r e l a t i v e blank a m o u n t s end fraction
Relative amount = Number of hydrogen atoms on the respective carbon x relative reactivity.
NBS (N-bromo succinimide) is used for bromination at allylic and benzylic carbon, whereas Br2/hv gives bromination at . benzylic, allylic and alkyl carbon.
Arrange decreasing order of reactivity of given compounds with NBS: (N-bromo succinimide)
I) C subscript 6 end subscript H subscript 5 end subscript minus C H subscript 3 end subscript
II) C subscript 6 end subscript H subscript 5 end subscript minus C H subscript 2 end subscript minus C H subscript 2 end subscript minus C H subscript 3 end subscript
III) C subscript 6 end subscript H subscript 5 end subscript minus C H subscript 2 end subscript minus C H equals C H subscript 2 end subscript
IV) 
Select the correct answer from the codes given below:

Free radical halogenation takes place in the presence of light or at high temperature (above 773K). Formation of halogen free radical intermediate takes place in first step called chain initiation step.
C l subscript 2 end subscript stack ⟶ with h v on top 2 C l to the power of ring operator end exponent
This reaction is mainly given by those compounds which have atleast one hydrogen atom present at s p to the power of 3 end exponent -hybrid carbon. Reactivity of s p to the power of 3 end exponent -hybrid carbon depends on the reactivity of reaction intermediate. The relative rate of formation of alkyl radicals by a chlorine radical is :
text Tertiary  end text stack greater than with left parenthesis 5 right parenthesis below stack text  Secondary  end text with left parenthesis 3.8 right parenthesis below greater than stack text  Primary  end text with left parenthesis 1 right parenthesis below
Percentage yield of the product =fraction numerator R e l a t i v e blank a m o u n t blank cross times 100 over denominator S u m blank o f blank r e l a t i v e blank a m o u n t s end fraction
Relative amount = Number of hydrogen atoms on the respective carbon x relative reactivity.
NBS (N-bromo succinimide) is used for bromination at allylic and benzylic carbon, whereas Br2/hv gives bromination at . benzylic, allylic and alkyl carbon.
Arrange decreasing order of reactivity of given compounds with NBS: (N-bromo succinimide)
I) C subscript 6 end subscript H subscript 5 end subscript minus C H subscript 3 end subscript
II) C subscript 6 end subscript H subscript 5 end subscript minus C H subscript 2 end subscript minus C H subscript 2 end subscript minus C H subscript 3 end subscript
III) C subscript 6 end subscript H subscript 5 end subscript minus C H subscript 2 end subscript minus C H equals C H subscript 2 end subscript
IV) 
Select the correct answer from the codes given below:

Chemistry-General
General
Chemistry-

Free radical halogenation takes place in the presence of light or at high temperature (above 773K). Formation of halogen free radical intermediate takes place in first step called chain initiation step.
C l subscript 2 end subscript stack ⟶ with h v on top 2 C l to the power of ring operator end exponent
This reaction is mainly given by those compounds which have atleast one hydrogen atom present at s p to the power of 3 end exponent -hybrid carbon. Reactivity of s p to the power of 3 end exponent -hybrid carbon depends on the reactivity of reaction intermediate. The relative rate of formation of alkyl radicals by a chlorine radical is :
text Tertiary  end text stack greater than with left parenthesis 5 right parenthesis below stack text  Secondary  end text with left parenthesis 3.8 right parenthesis below greater than stack text  Primary  end text with left parenthesis 1 right parenthesis below
Percentage yield of the product =fraction numerator R e l a t i v e blank a m o u n t blank cross times 100 over denominator S u m blank o f blank r e l a t i v e blank a m o u n t s end fraction
Relative amount = Number of hydrogen atoms on the respective carbon x relative reactivity.
NBS (N-bromo succinimide) is used for bromination at allylic and benzylic carbon, whereas Br2/hv gives bromination at . benzylic, allylic and alkyl carbon.
Chlorination of butane takes place as:

Percentage yield of 2-chlorobutane will be:

Free radical halogenation takes place in the presence of light or at high temperature (above 773K). Formation of halogen free radical intermediate takes place in first step called chain initiation step.
C l subscript 2 end subscript stack ⟶ with h v on top 2 C l to the power of ring operator end exponent
This reaction is mainly given by those compounds which have atleast one hydrogen atom present at s p to the power of 3 end exponent -hybrid carbon. Reactivity of s p to the power of 3 end exponent -hybrid carbon depends on the reactivity of reaction intermediate. The relative rate of formation of alkyl radicals by a chlorine radical is :
text Tertiary  end text stack greater than with left parenthesis 5 right parenthesis below stack text  Secondary  end text with left parenthesis 3.8 right parenthesis below greater than stack text  Primary  end text with left parenthesis 1 right parenthesis below
Percentage yield of the product =fraction numerator R e l a t i v e blank a m o u n t blank cross times 100 over denominator S u m blank o f blank r e l a t i v e blank a m o u n t s end fraction
Relative amount = Number of hydrogen atoms on the respective carbon x relative reactivity.
NBS (N-bromo succinimide) is used for bromination at allylic and benzylic carbon, whereas Br2/hv gives bromination at . benzylic, allylic and alkyl carbon.
Chlorination of butane takes place as:

Percentage yield of 2-chlorobutane will be:

Chemistry-General
General
Chemistry-

SN1 reaction is a first order nucleophilic substitution, e.g.,

The concentration of nucleophile does not appear in the rate law expression:
Reaction rate = k[ RX]
In a multistep organic reaction, the rate-limiting step is the slowest step. Rate determining step is represented by the following energy level diagram:


A reaction energy level diagram for an S subscript N to the power of 1 end exponent end subscript reaction. The rate limiting step is spontaneous dissociation of an alkyl halide to give a carbocation intermediate

S subscript N to the power of 1 end exponent end subscript reaction is:

SN1 reaction is a first order nucleophilic substitution, e.g.,

The concentration of nucleophile does not appear in the rate law expression:
Reaction rate = k[ RX]
In a multistep organic reaction, the rate-limiting step is the slowest step. Rate determining step is represented by the following energy level diagram:


A reaction energy level diagram for an S subscript N to the power of 1 end exponent end subscript reaction. The rate limiting step is spontaneous dissociation of an alkyl halide to give a carbocation intermediate

S subscript N to the power of 1 end exponent end subscript reaction is:

Chemistry-General
parallel
General
Chemistry-

SN1 reaction is a first order nucleophilic substitution, e.g.,

The concentration of nucleophile does not appear in the rate law expression:
Reaction rate = k[ RX]
In a multistep organic reaction, the rate-limiting step is the slowest step. Rate determining step is represented by the following energy level diagram:


A reaction energy level diagram for an S subscript N to the power of 1 end exponent end subscript reaction. The rate limiting step is spontaneous dissociation of an alkyl halide to give a carbocation intermediate

In the graph 3 for S subscript N to the power of 1 end exponent end subscript reaction, the rate limiting step is the spontaneous dissociation of alkyl halide and is given by:

SN1 reaction is a first order nucleophilic substitution, e.g.,

The concentration of nucleophile does not appear in the rate law expression:
Reaction rate = k[ RX]
In a multistep organic reaction, the rate-limiting step is the slowest step. Rate determining step is represented by the following energy level diagram:


A reaction energy level diagram for an S subscript N to the power of 1 end exponent end subscript reaction. The rate limiting step is spontaneous dissociation of an alkyl halide to give a carbocation intermediate

In the graph 3 for S subscript N to the power of 1 end exponent end subscript reaction, the rate limiting step is the spontaneous dissociation of alkyl halide and is given by:

Chemistry-General
General
Chemistry-

SN1 reaction is a first order nucleophilic substitution, e.g.,

The concentration of nucleophile does not appear in the rate law expression:
Reaction rate = k[ RX]
In a multistep organic reaction, the rate-limiting step is the slowest step. Rate determining step is represented by the following energy level diagram:


A reaction energy level diagram for an S subscript N to the power of 1 end exponent end subscript reaction. The rate limiting step is spontaneous dissociation of an alkyl halide to give a carbocation intermediate

Select the correct statement(s) about the graph 2:

SN1 reaction is a first order nucleophilic substitution, e.g.,

The concentration of nucleophile does not appear in the rate law expression:
Reaction rate = k[ RX]
In a multistep organic reaction, the rate-limiting step is the slowest step. Rate determining step is represented by the following energy level diagram:


A reaction energy level diagram for an S subscript N to the power of 1 end exponent end subscript reaction. The rate limiting step is spontaneous dissociation of an alkyl halide to give a carbocation intermediate

Select the correct statement(s) about the graph 2:

Chemistry-General
General
Chemistry-

SN1 reaction is a first order nucleophilic substitution, e.g.,

The concentration of nucleophile does not appear in the rate law expression:
Reaction rate = k[ RX]
In a multistep organic reaction, the rate-limiting step is the slowest step. Rate determining step is represented by the following energy level diagram:


A reaction energy level diagram for an S subscript N to the power of 1 end exponent end subscript reaction. The rate limiting step is spontaneous dissociation of an alkyl halide to give a carbocation intermediate

In S subscript N to the power of 1 end exponent end subscript reaction, the hybridization changes in rate determination step. Select the correct change among the following:

SN1 reaction is a first order nucleophilic substitution, e.g.,

The concentration of nucleophile does not appear in the rate law expression:
Reaction rate = k[ RX]
In a multistep organic reaction, the rate-limiting step is the slowest step. Rate determining step is represented by the following energy level diagram:


A reaction energy level diagram for an S subscript N to the power of 1 end exponent end subscript reaction. The rate limiting step is spontaneous dissociation of an alkyl halide to give a carbocation intermediate

In S subscript N to the power of 1 end exponent end subscript reaction, the hybridization changes in rate determination step. Select the correct change among the following:

Chemistry-General
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