Home
Class 12
CHEMISTRY
What is B in 3R-OH+PX(3)to 3R-X+B ?...

What is B in `3R-OH+PX_(3)to 3R-X+B` ?

A

Meta phosphoric acid

B

Phosphorous acid

C

Pyro phosphorous acid

D

Phosphoric acid

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HALOALKANES AND HALOARENES

    KUMAR PRAKASHAN|Exercise SECTION - D NCERT EXEMPLAR SOLUTION (Long Answer Type Questions)|3 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    KUMAR PRAKASHAN|Exercise SECTION - E (MCQs ASKED IN GUJET/BOARD EXAMS)|46 Videos

  • POLYMERS

    KUMAR PRAKASHAN|Exercise SECTION - E (MCQs asked in Board Exams)|51 Videos

Similar Questions

Explore conceptually related problems

Let R be a relation from Q to Q defined by R={(a,b): a,b in Q and a-b in Z} . Show that (i) (a,a) in R" for all " a in Q (ii) (a,b) in R implies that (b,a) inR (iii) (a,b) in R and (b,c) in R implies that (a,c) in R

Show that if f: R - {7/5} rarr R - {3/5} is defined by f(x) = (3x+4)/(5x-7) and g: R - {3/5} rarr R - {7/5} is defined by g(x) = (7x +4)/(5x-3) , then fog =I_A and gof = I_(B) , where A = R - {3/5} , B = R - {7/5} , I_(A) (x) = x, AA x in A , I_(B) (x) = x, AA x in B are called identity functions on sets A and B , respectively .

Check whether the relation R defined by R = {(a,b) : a le b^3} is reflexive , symmetric or transitive.

{x//(1)/(|3x+2|)le1/5, x in R - (-2//3)} then what is the complement set of this set ?

(a) If x + y + z=0, show that x ^(3) + y ^(3) + z ^(3)= 3 xyz. (b) Show that (a-b) ^(3) + (b-c) ^(3) + (c-a)^(3) =3 (a-b) (b-c) (c-a)

If R be a relation from A = {1, 2, 3,4) to B = (1,3,5) such that (a, b) in R iff a lt b , then R o R^-1 is

A = {2, 3, 4, 5} , B= {3, 6,7}. A relation from A to B is R defined as, x R y hArr x and y are prime numbers. Find domain and range of R.

Let A = {1, 2, 3} and R = {(a,b): a,b in A, a divides b and b divides a}. Show that R is an identity relation on A.

KUMAR PRAKASHAN-HALOALKANES AND HALOARENES-SECTION - E Multiple Choice Questions
  1. The hybridization of carbon attached to chlorine in benzyl chloride is...

    Text Solution

    |

  2. Which of the following is obtained by hydrolysis of ethylmagnesium bro...

    Text Solution

    |

  3. What is B in 3R-OH+PX(3)to 3R-X+B ?

    Text Solution

    |

  4. Select the correct order of some important group for absolute configur...

    Text Solution

    |

  5. Match the proper pairs : {:(,[A],,[B]),((a),"Cyclo hexyl chloride",...

    Text Solution

    |

  6. How many number of sigma - bond pi - electron, chlorine atom and hydro...

    Text Solution

    |

  7. What is 'X' in the following reaction ? CH(3)-CH(2)-Cl+KOH overset(CH...

    Text Solution

    |

  8. Which of the following alcohols yields corresponding alkyl chloride on...

    Text Solution

    |

  9. Arrange the following halides in increasing order of SN^(2) reactivity...

    Text Solution

    |

  10. In following reaction what are P, Q, R and S. C(6)H(5)N(2)^(+)Cl^(...

    Text Solution

    |

  11. Which is not a polyhalogen ?

    Text Solution

    |

  12. Which of the following is used in fire extinguisher ?

    Text Solution

    |

  13. What is the product of Wurtz reaction of methyl iodide ?

    Text Solution

    |

  14. Which poisonous compound is formed if Chloroform is kept in open air ?

    Text Solution

    |

  15. Which is the structural formula of ''Chloral'' ?

    Text Solution

    |

  16. Ethanol reacts with thionyl chloride to gives -

    Text Solution

    |

  17. How many sigma (sigma) bond and pi (pi) bond are present in benzene di...

    Text Solution

    |

  18. Which reaction is used to prepare Toluene from chlorobenzene ?

    Text Solution

    |

  19. What is the formula of ''Pyrene'' ?

    Text Solution

    |

  20. Which reagent is used to prepare fluoromethane by Swartz reaction.

    Text Solution

    |