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Q:

Which of the following is the most stable carbocation?

Screenshot_(8)1522302473.png image

A) 4 B) 3
C) 2 D) 1
 
Answer & Explanation Answer: C) 2

Explanation:

Here the most stable carbocation is the option (2).

 

Carbocations are always hungry for electrons. The stability of carbocations increases from primary to secondary to tertiary. Here, option (c) shows the most stable carbocation because it can easily withdraw electrons from two other carbon atoms and the more electronegative oxygen atom.

 

Carbocation stability depends on hyperconjugation. The tertiary carbocation is stabilized by electron releasing inductive effect.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
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Q:

Two bodies A and B are of same mass and same amount of heat is given to both of them. If the temperature of A increases more than that of B because of heat addition, then

 

A) the specific heat capacity of A is more than that of B B) the specific heat capacity of A is less than that of B
C) both A and B have the same specific heat capacity but A has greater thermal conductivity D) both A and B the same specific heat capacity but B has greater thermal conductivity
 
Answer & Explanation Answer: B) the specific heat capacity of A is less than that of B

Explanation:
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Filed Under: Physics

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Q:

There are approximately how many muscles in Human body ?

A) 206 B) 310
C) 554 D) 700
 
Answer & Explanation Answer: D) 700

Explanation:

Approximatey there are 700 muscles in Human body.

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Filed Under: Biology
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Q:

India is the seventh largest country in the world and it covers a total area of approximately________

A) 2700000 sq.km B) 3000000 sq.km
C) 3200000 sq.km D) 3600000 sq.km
 
Answer & Explanation Answer: C) 3200000 sq.km

Explanation:
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Filed Under: Indian Geography

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Q:

In the history of Indian population, Which duration period is referred to as ' a great leap forward '

A) 1921 - 1931 B) 1941 - 1951
C) 1951 - 1961 D) 1971 - 1981
 
Answer & Explanation Answer: C) 1951 - 1961

Explanation:
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Filed Under: Indian Economy

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Q:

"Let your heart fly" baseline is associated with which airlines company?

A) Fly Emirates B) Indian Airlines
C) Jet Airways D) Lufthansa
 
Answer & Explanation Answer: B) Indian Airlines

Explanation:
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Filed Under: Business Awareness

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Q:

In Hindu mythology, what is the name of the auspicious jewel Lord Vishnu wears on a pendant around his neck?

Answer

Kaustubham

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Subject: Indian Culture

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Q:

Species containing same number of electrons are called

A) Isotopes B) Isobars
C) Isoelectronic D) Isotones
 
Answer & Explanation Answer: C) Isoelectronic

Explanation:
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Filed Under: Chemistry

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