Maths-
General
Easy
Question
The converse of “if in a triangle ABC, AB =AC then 
is
- If in a triangle
- If in a triangle
- If in a triangle
- If in a triangle
Hint:
Let p -> q is the relation. Then, the converse of the relation becomes q -> p.
The correct answer is: If in a triangle
Given That:
The converse of “if in a triangle ABC, AB =AC then is
>>> Let p -> q is the relation. Then, the converse of the relation becomes q -> p.
>>> Similarly, here p is AB = AC and q =
>>> Hence, the converse becomes :
In a triangle ABC, if then AB = AC.
Converse of “if in a triangle ABC, AB =AC then is In a triangle ABC, if then AB = AC.
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Ester gives nucleophilic addition reaction followed by elimination reaction with carbon nucleophile. When carbon nucleophile is of an ester then the reaction is known as Claisen condensation reaction. This reaction is also carried out between ester and a ketone. A successful Claisen condensation requires an ester with two a-hydrogens and an equivalent amount of base rather than a catalytic amount of base.
In the given reaction
Ester gives nucleophilic addition reaction followed by elimination reaction with carbon nucleophile. When carbon nucleophile is of an ester then the reaction is known as Claisen condensation reaction. This reaction is also carried out between ester and a ketone. A successful Claisen condensation requires an ester with two a-hydrogens and an equivalent amount of base rather than a catalytic amount of base.
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Ester gives nucleophilic addition reaction followed by elimination reaction with carbon nucleophile. When carbon nucleophile is of an ester then the reaction is known as Claisen condensation reaction. This reaction is also carried out between ester and a ketone. A successful Claisen condensation requires an ester with two a-hydrogens and an equivalent amount of base rather than a catalytic amount of base.
In the given reaction :
Ester gives nucleophilic addition reaction followed by elimination reaction with carbon nucleophile. When carbon nucleophile is of an ester then the reaction is known as Claisen condensation reaction. This reaction is also carried out between ester and a ketone. A successful Claisen condensation requires an ester with two a-hydrogens and an equivalent amount of base rather than a catalytic amount of base.
In the given reaction :
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The reactivity of acid derivatives in general follows the order :
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More is the stabilization, lesser is the reactivity and vice-versa.
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More is the stabilization, lesser is the reactivity and vice-versa.
Acid derivatives although contain 
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The reactivity of acid derivatives in general follows the order :
The above order of reactivity can be explained in terms of the : (i) Basicity of leaving group (ii) Resonance effect (iii) Inductive effect Weaker is the basic character of leaving group, more is the reactivity of acid derivative. In general, all the acid derivatives show resonance as follows:
More is the stabilization, lesser is the reactivity and vice-versa.
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The reactivity of acid derivatives in general follows the order :
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More is the stabilization, lesser is the reactivity and vice-versa.
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More is the stabilization, lesser is the reactivity and vice-versa.
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More is the stabilization, lesser is the reactivity and vice-versa.
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More is the stabilization, lesser is the reactivity and vice-versa.
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More is the stabilization, lesser is the reactivity and vice-versa.
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Type. 2
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Mechanism :
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In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromine to give a primary amine that has one carbon lesser than starting amide.
General reaction :
Mechanism :
If the migrating group is chiral then its configuration is retained. Electron releasing effects in the migrating group increases reactivity of Hofmann rearrangement.
Arrange the following amides according to their relative reactivity when reacted with Br2 in excess of strong base
I) 
II) 
III) 
IV) 
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General reaction :
Mechanism :
If the migrating group is chiral then its configuration is retained. Electron releasing effects in the migrating group increases reactivity of Hofmann rearrangement.
Arrange the following amides according to their relative reactivity when reacted with Br2 in excess of strong base
I)
II)
III)
IV)
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The tube shown is of uniform cross–section. Liquid flows through it at a constant speed in the direction shown by the arrows. The liquid exerts on the tube
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