NEET 2017 | Some Basic Concepts of Organic Chemistry Question 26 | Chemistry

NEET 2017

MCQ (Single Correct Answer)

-1

The correct statement regarding electrophile is

electrophile is a negatively charged species and form a bond by accepting a pair of electrons from another electrophile

electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile

electrophile can be either neutral or positively charged species and can form a bond by accepting a pair of electrons from a nucleophile

electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile.

NEET 2017

MCQ (Single Correct Answer)

-1

The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is

chromatography

crystallisation

steam distillation

sublimation.

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

Which among the given molecules can exhibit tautomerism?

III only

Both I and III

Both I and II

Both II and III

NEET 2016 Phase 1

MCQ (Single Correct Answer)

-1

For the following reactions :

(A) CH₃CH₂CH₂Br + KOH $$ \to $$
CH₃CH $$=$$ CH₂ + KBr + H₂O

Which of the following statements is correct?

(A) is elimination, (B) and (C) are substitution reactions.

(A) is substitution, (B) and (C) are addition reactions.

(A) and (B) are elimination reactions and (C) is addition reaction.

(A) is elimination, (B) is substitution and (C) is addition reaction.

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