Home
Class 12
CHEMISTRY
(A) Thionyl chloride reacts with primary...

(A) Thionyl chloride reacts with primary alcohols to form pure alkyl halides in the presence of pyridine.
(R) In the reaction between `SOCl_2` and R-OH, `SO_2` escapes from the reaction mixture and HCI is absorbed by pyridine. 

A

Both A & R are true, R is the correct explanation of A

B

Both A & R are true, R is not correct explanation of A

C

A is true, R is false

D

A is false, R is true

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALKYL AND ARYL HALIDES

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -2 ( INTRODUCTION ,NOMENCLATURE , NATURE OF C-X BOND)|6 Videos

  • ALKYL AND ARYL HALIDES

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -2 ( PREPARATION AND PROPERTIES OF ETHYL CHLORIDE)|8 Videos

  • ALKYL AND ARYL HALIDES

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -1 (POLY HALOGEN COMPOUNDS)|3 Videos

  • ALDEHYDES AND KETONES

    AAKASH SERIES|Exercise Exercise 3.2|41 Videos

  • AMINES AND AZO COMPOUNDS

    AAKASH SERIES|Exercise PRACTICE SHEET - 6 (Integer answer type Questions)|9 Videos

Similar Questions

Explore conceptually related problems

(A) With excess HI anisole gives a mixture of iodobenzene and methyl iodide (R) The reaction between anisole and HI takes place via SN^2 mechanism.

The reaction between carboxylic acid and an alcohol in the presence of con. H_2 SO_4 to form sweet smelling substance is called

The oxidation of aryl methyl or cyclo alkyl methyl by the treatment with chromyl chloride to an aldehyde via the formation of esters is known as Etard reaction. The oxidation stops at aldehyde stage because the product of the reaction is acylal, R - CH(OCOCH_3)_2 which is resistance to oxidation with this reagent. The acylal on hydrolysis gives aldehyde. What is the product obtained when ethyl benzene is subjected to Etard reaction ?

The oxidation of aryl methyl or cyclo alkyl methyl by the treatment with chromyl chloride to an aldehyde via the formation of esters is known as Etard reaction. The oxidation stops at aldehyde stage because the product of the reaction is acylal, R - CH(OCOCH_3)_2 which is resistance to oxidation with this reagent. The acylal on hydrolysis gives aldehyde. Which of the other reactions will produce benzaldehyde ?

The oxidation of aryl methyl or cyclo alkyl methyl by the treatment with chromyl chloride to an aldehyde via the formation of esters is known as Etard reaction. The oxidation stops at aldehyde stage because the product of the reaction is acylal, R - CH(OCOCH_3)_2 which is resistance to oxidation with this reagent. The acylal on hydrolysis gives aldehyde. Which of the following compounds give benzo-phenone upon treating with Cr O_2 Cl_2 ?

(A) Sulphur dioxide acts as antichlor (R ) In presence of charcoal SO_(2) combine with Cl _(2) to form sulphuryl chloride

(A) : CO_(2) reacts with Grignard reagent followed by acid catalysed hydrolysis gives carboxylic acid . (R) : Alkyl halide reacts with Mg in the presence of ether gives Grignard reagent .

(A) : Carbylamine reaction involves chemical reaction between primary amines, chloroform in basic medium. (R ) : In carbylamine reaction -NH_(2) group changes into -NC group.

10 moles of SO_(2) and 4 moles of O_(2) are mixed in a closed vessel of volume 2 litres. The mixture is heated in the presence of Pt catalyst. Following reaction takes place: 2SO_(2)(g)+O_(2)(g)to2SO_(3)(g) Number of moles of SO_(3) formed in the reaction will be