Home
Class 12
CHEMISTRY
Assertion (A) : Gabriel phthalimide reac...

Assertion (A) : Gabriel phthalimide reaction is used for the prepartion fo ` C_2H_5NH_2` and p-nitro aniline .
Reason (R ): `SN^2` reaction takes place with `1^@ RX` and `1^@ ArX` containing `overline e`- withdrawing group at o-and p-positions

A

If both (A) and (R ) ar true, and (R ) is the correct explanation of (A).

B

If both (A) and (R ) are true , and (R ) is not the correct explanation of (A).

C

If (A) is true , but (R ) is false .

D

If both (A) and (R ) are false .

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ORGANIC COMPOUNDS WITH FUNCTIONAL GROUP

    CENGAGE CHEMISTRY|Exercise Archives Single Correct|10 Videos
  • ORGANIC COMPOUNDS WITH FUNCTIONAL GROUP

    CENGAGE CHEMISTRY|Exercise Archives Assertion-Reasoning|2 Videos
  • ORGANIC COMPOUNDS WITH FUNCTIONAL GROUP

    CENGAGE CHEMISTRY|Exercise Exercises Single Correct|54 Videos
  • NUCLEAR CHEMISTRY

    CENGAGE CHEMISTRY|Exercise Archives Subjective|13 Videos
  • P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY

    CENGAGE CHEMISTRY|Exercise Exercises Archives (Subjective)|28 Videos

Similar Questions

Explore conceptually related problems

Assertion(A) : Aniline hydrogen sulphate on heating froms a mixture of o- and p-amineo- sulphonic acid . Reason (R ) : The suphonic acid is overline e withdrawing .

Assertion (A): The major products formed by heating compound (A) in Q. No. 1 above with excess HI are: Reason (R ): ArSN reaction takes place if the ring is activated by EW (e.g., (-NO_(2) group), at o-, p-, and m-position.

Assertion (A) : The order of the reaction, CH_(3)COOC_(2)H_(5) + H_(2)O hArr CH_(3)COOH + C_(2)H_(5)OH is 2 . Reason (R ): The molecularity of this reaction is 2 .

For the reaction, N_(2)+3H_(2)hArr2NH_(3) , the units of K_(c) "and" K_(p) respectively are:

Assertion (A) Phenols give o-and p-nitrophenol on nitration with conc. HNO_(3) and H_(2)SO_(4) mixture. Reason (R) -OH group in phenol is o-,p-directing.

Assertion (A) : In the reaction, N_(2)+3H_(2) rarr 2NH_(3) , the rate of reaction is different in terms of N_(2), H_(2) and NH_(3) . Reason (R ): The rate of reaction is equal to the rate of disappearance of a reactant or rate of formation of a Product.