Subject

Chemistry

Class

NEET Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

 Multiple Choice QuestionsMultiple Choice Questions

51.

Which characteristic property is not shown by carboxylic acid group ?

  • Alkyl group

  • -COOH group

  • ketonic group

  • none of these


C.

ketonic group

ketonic group characteristic property is not shown by carboxylic acid group .


52.

The product formed by the reaction between acetylene and HOCl :

  • ethylene chloride

  • vinyl chloride

  • dichloro acetaldehyde

  • ethyledene chloride


C.

dichloro acetaldehyde


53.

The example of condensation polymerisation is :

  • formaldehyde - metaformaldehyde

  • acetaldenyde - para acetaldehyde

  • acetone - mesityl oxide

  • ethene - polyethene


C.

acetone - mesityl oxide

AcetoneH2SO4Conc.masitylene


54.

The product of reaction between chloroform and acetone is used as :

  • insecticide

  • analgesic

  • hypnotic

  • war gas


C.

hypnotic

(CH3)2C=O + CHCl3base


55.

The main product of heating of sodium formate at 360oC is :

  • CO

  • sodium oxalate

  • Na2CO3

  • None of the above


C.

Na2CO3

2 HCOONa360°COONaCOONa|+ H2Na2CO3 + H2O


56.

The IUPAC name ofis :

  • 1 , 2 , 3 - propane tri-ol

  • 3 - hydroxy butanoic acid

  • 1 , 2 - ethane di-ol

  • 3 - methyl butanol - 1


A.

1 , 2 , 3 - propane tri-ol

1 , 2 , 3 - propane trio!


57.

Aldehyde and ketone can be differentiated by :

  • sodium bi sulphite

  • Fehling solution

  • ammonia

  • sulphuric acid


B.

Fehling solution

Aldehyde and ketones can be differentiated by Fehling solution .


58.

The product of the reaction between chloral and NaOH is :

  • CH3COOH

  • CH3CHO

  • CHCl3

  • CHCl


C.

CHCl3

CCl3-CHO (Chloral) + NaOHCHCl3 + O=CH-ONa


59.

The correct reactivity otder is :

  • CH3CHO > (CH3)2CO > CH3COC2H5

  • (CH3)2CO > CH3CHO > CH3COC2H5

  • CH3CHO > CH3COC2H5 > (CH3)2CO

  • CH3COC2H5 > CH3CHO > (CH3)2CO


B.

(CH3)2CO > CH3CHO > CH3COC2H5

(CH3)2CO > CH3CHO > CH3COC2H5


60.

Which of the following statement is correct for ketone and acetaldehyde ?

  • Both reacts with HCN and forms hydrine

  • Both reacts with NaOH and forms polymer

  • both forms acid on oxidation and reduction

  • Both forms alcohol on reduction and oxidation


A.

Both reacts with HCN and forms hydrine

Ketone and aldehyde reacts with HCN and forms hydrin .