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Chemistry Test - 6


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45 Questions MCQ Test | Chemistry Test - 6

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Chemistry Test - 6 - Question 1

In the Cannizzaro’s reaction given below

the slowest step isthe slowest step is

Chemistry Test - 6 - Question 2

In the reaction, X is

Chemistry Test - 6 - Question 3

The correct order of reactivity of >CO group is

Chemistry Test - 6 - Question 4

Stephen’s reaction is reduction of

Chemistry Test - 6 - Question 5

Among the following four compounds
(I) Phenol               (II) p-Methylphenol
(III) m-Nitrophenol (IV) p-Nitrophenol
The acidity order is

Chemistry Test - 6 - Question 6

A yellow precipitate is obtained when aqueous AgNO3 is added to a solution of the compound

Chemistry Test - 6 - Question 7

Iodoform test is not given by

Chemistry Test - 6 - Question 8

Which of the following aldehydes will not show Cannizzaro reaction ?

Chemistry Test - 6 - Question 9

Which one of the following would be expected to be most ionised in water ?

Chemistry Test - 6 - Question 10

The number of stereoisomers of the compound CH3-CH=CH-CHBrCH3 would be

Chemistry Test - 6 - Question 11

A compound (A) of formula C3H6Cl2 on reaction with alkali can give (B) of formula C3H6O or (C) of formula C3H4 . (B) on oxidation gave a compound of the formula C3H6O2 . (C) with dilute H2SO4 containing Hg2+ ion gave (D) of formula C3H6O ,which with bromine and NaOH gave the sodium salt of C2H4O2 . Then (A) is

Chemistry Test - 6 - Question 12

The maximum reactivity of (A) will be when X is ....., for the reaction given below

Chemistry Test - 6 - Question 13

Cyclohexanone is subjected to reduction by NaBH4 . The product formed is

Chemistry Test - 6 - Question 14

Which of the following has most acidic hydrogen ?

Chemistry Test - 6 - Question 15

Identify ‘Z’ in the following reaction series,

Chemistry Test - 6 - Question 16

In the given reaction,

   

the product ‘X’ is

Chemistry Test - 6 - Question 17

The correct order of increasing acid strength of the compounds.

I.   CH3CO2H                         II. MeOCH2CO2H

III. CF3CO2H                         IV.

Chemistry Test - 6 - Question 18

In the following sequence of reactions

the compound D is

Chemistry Test - 6 - Question 19

A new C-C bond formation is possible in

Chemistry Test - 6 - Question 20

CH3COCH3 can be converted to CH3CH2CH3 by the action of

Chemistry Test - 6 - Question 21

In the given reaction, what is X

Chemistry Test - 6 - Question 22

Consider the following halides

With aq. HCOOH, in SN1 reaction, the decreasing rate of reaction is

Chemistry Test - 6 - Question 23

Reaction of trans 2-phenyl-1-bromocyclo-pentane on reaction with alcoholic KOH produces

Chemistry Test - 6 - Question 24

The reaction of chloroform with alcoholic KOH and p-toluidine forms

Chemistry Test - 6 - Question 25

The IUPAC name of the compound shown below is

Chemistry Test - 6 - Question 26

Which of the following has highest boiling point ?

Chemistry Test - 6 - Question 27

When phenol is treated with bromine/H2O, It gives

Chemistry Test - 6 - Question 28

Which one among the following is Williamson’s synthesis?

Chemistry Test - 6 - Question 29

Which reagent is more effective to convert but-2-enal to but-2-enol ?

Chemistry Test - 6 - Question 30

C2H5OH cannot be dried by anhydrous CaCl2 , because

Chemistry Test - 6 - Question 31

Addition of HBr to 2-methylpropene in the presence of benzoyl peroxide mainly forms

Chemistry Test - 6 - Question 32

Which is an optically active compound ?

Chemistry Test - 6 - Question 33

Which of the following would exhibit Kharasch effect?

Chemistry Test - 6 - Question 34

Reaction of with RMgX followed with hydrolysis produces

Chemistry Test - 6 - Question 35

An organic compound C3H6O does not give a precipitate with 2, 4-dinitrophenyl hydrazine reagent and does not react with sodium metal. It could be

Chemistry Test - 6 - Question 36

Among the given compounds, the correct dehydration order is

Chemistry Test - 6 - Question 37

In the following reaction product “P” is

Chemistry Test - 6 - Question 38

Which one of the following will not be stabilised by resonances ?

Chemistry Test - 6 - Question 39

Isopropyl alcohol on passing overheated copper at 3000C gives

Chemistry Test - 6 - Question 40

The product in the reaction   + HBr is

Chemistry Test - 6 - Question 41

Which of the following carboxylic acids undergoes decarboxylation easily ?

Chemistry Test - 6 - Question 42

Glycerol contains

Chemistry Test - 6 - Question 43

When phenol is treated with CHCl3 and NaOH, the product formed is

Chemistry Test - 6 - Question 44

When CH2 = CH-COOH is reduced with LiAlH4 , the compound obtained will be

Chemistry Test - 6 - Question 45

Which of the following is an example of aldol condensation?

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