Home
Class 12
CHEMISTRY
What is (B)?...


What is (B)?

Text Solution

Verified by Experts

The correct Answer is:
B

(b) The order of reactivity of functional group with `G.R`
is Alcohol gt Aldehyde gt ketone gt `R-overset(O)overset(||)(C )-X` gt Ester gt Anhydride gt Amide gt` - CH_2 X`
(a) First mole of `PhMgBr` reacts at the active `H` atom of alcohol to give

(benzene), not phenol. Hence, wrong statement.
(b) Second mole of `PhMgBr` reacts at ketone group and gives the required product. Hence, correct statement.
( c) It is a wrong statemenet.
(d) Compound `(D)` is wrongn, because acid halide with `G.R` gives `3^@` alcohol. Hence, compound `D` would be :
Promotional Banner

Topper's Solved these Questions

  • GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Single Correct)|47 Videos
  • GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Single Correct)|4 Videos
  • GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Linked Comprehension)|33 Videos
  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives (Subjective)|14 Videos
  • NCERT BASED EXERCISE

    CENGAGE CHEMISTRY ENGLISH|Exercise Nuclear Chemistry (NCERT Exercise)|29 Videos

Similar Questions

Explore conceptually related problems

What is (A),(B) and (C ) respectively?

The dimensions of the right triangle above are given in meters. What is tan B?

In the equation x^(2)-bx+c=0, b and c are integers. The solutions of this equations are 2 and 3. What is c-b ?

(a) What is a slag ? (b) What is meant by the term 'Pyrometallurgy' ?

Let A = {a,b},B={a,b,c} . Is A sub B ? What is A cup B ?

If A and B are two sets such that A subB , then what is Auu B ?

If c+d=200, what is a+b?

Let A = {a , b} , B = {a , b , c} .Is A subB ? What is Auu B ?

Ammonia___(A)__ to nitrite___(B)__ nitrate What are (A) & (B) in the given process :-