Maths-
The rank of
is
Maths-General
- 2
- 1
- 4
- 3
Answer:The correct answer is: 3
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maths-
The system of equations
has no solution, if
is
The system of equations
has no solution, if
is
maths-General
chemistry-
The electronic configuration of neon is
The electronic configuration of neon is
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maths-
By eliminating
from the Homogeneous Equations
where
not all zero then 
By eliminating
from the Homogeneous Equations
where
not all zero then 
maths-General
chemistry-
The structure of the major product formed in the following reaction is

R - Cl is more reactive than Ar-I
The structure of the major product formed in the following reaction is

chemistry-General
R - Cl is more reactive than Ar-I
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Identify the compound Y in the following reaction

Identify the compound Y in the following reaction

chemistry-General
chemistry-
Which of the following is halogen exchange reaction?
Which of the following is halogen exchange reaction?
chemistry-General
chemistry-
(CH3)2CHCl + NaI →(CH3)2CHI + NaCl The above reaction is known as
(CH3)2CHCl + NaI →(CH3)2CHI + NaCl The above reaction is known as
chemistry-General
chemistry-
Which of the following pairs are correctly matched?

RX + AgCN (alc) ® RNC + AgX,
are correct
Which of the following pairs are correctly matched?

chemistry-General
RX + AgCN (alc) ® RNC + AgX,
are correct
chemistry-
Which one is a nucleophilic substitution reaction among the following?
Conceptual
Which one is a nucleophilic substitution reaction among the following?
chemistry-General
Conceptual
chemistry-
The major product in the reaction is

CH3O– is a strong nucleophile as well as a strong base. Therefore, it can either bring about substitution or elimination. Since the CH3 group at b-carbon causes stearic hindrance to nucleophilic substitution (SN2), therefore, elimination occurs preferably to form 2- mehtylpropene


The major product in the reaction is

chemistry-General
CH3O– is a strong nucleophile as well as a strong base. Therefore, it can either bring about substitution or elimination. Since the CH3 group at b-carbon causes stearic hindrance to nucleophilic substitution (SN2), therefore, elimination occurs preferably to form 2- mehtylpropene


chemistry-
In the following reaction :
The major product obtained is
Ease of abstraction of H is: 3° > 2° > 1°. Therefore, option (a) is correct


In the following reaction :
The major product obtained is
chemistry-General
Ease of abstraction of H is: 3° > 2° > 1°. Therefore, option (a) is correct


chemistry-
The reagents for the following conversions is / are

Simple alkyl halides are dehydrohalogenated by using a strong base such as alc. KOH. But vinyl halides require much stronger base such as NaNH2 for dehydrohalogenation .


The reagents for the following conversions is / are

chemistry-General
Simple alkyl halides are dehydrohalogenated by using a strong base such as alc. KOH. But vinyl halides require much stronger base such as NaNH2 for dehydrohalogenation .


chemistry-
In the reaction R – OH + HX → R – X + H2O, The reactivity of different alcohols is
This is because the order the relative stabilities of the carbocation formed in this reactions is : tertiary > secondary > primary.
In the reaction R – OH + HX → R – X + H2O, The reactivity of different alcohols is
chemistry-General
This is because the order the relative stabilities of the carbocation formed in this reactions is : tertiary > secondary > primary.
maths-
If
is a square matrix of order 3 then
Adj 
If
is a square matrix of order 3 then
Adj 
maths-General
chemistry-
Which of the following compounds will undergo racemization when solution of KOH hydrolyses?
i) 
ii) CH3CH2CH2Cl
iii) 
iv)
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Due to chirality of
only compound (d) will undergo reacemisation
Which of the following compounds will undergo racemization when solution of KOH hydrolyses?
i) 
ii) CH3CH2CH2Cl
iii) 
iv)
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chemistry-General
Due to chirality of
only compound (d) will undergo reacemisation