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 C3H6O. 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 :

(a) CH3CH2CHCl2

(b) CH3CCl2CH3

(c) CH2ClCH2CH2Cl

(d) CH3CHClCH2Cl

 

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Identify the product (A) in following reaction series, CH3CNNa/C2H5OH(X)HNO2(Y)O(Z)Tollens reagent(A) :

(a) CH3CHO

(b) CH3CONH2

(c) CH3COOH

(d) CH- CH2-NHOH

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In order to accomplish the following conversion, what reagent and conditions would be required?

1. Cold sodium hydroxide

2. Hot conc. sodium hydroxide

3. Potassium tertiary butoxide and heat

4. Hot water

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Which of the reagents shown below would accomplish the following transformations ?

      A                                     B
(a) H3O+                   BH3 - THF; H2O2/NaOH
(b) NaOH                   BH3 - THF; H2O2/NaOH
(c) HBr in ether          Hg(OAc)2/H2O; NaBH4
(d) NaNH2                  Hg(OAc)2/H2O; NaBH4

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Compound  and CH3-CH2-O-CH2-CH3 can be differentiated by:

                                 (Q)

(a) H3O⊕, Na

(b) H3O⊕, Tollens' test

(c) H3O⊕, Fehling test

(d) All of these

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Give test to differentiate 1,1-dichloroethane and 1, 2-dichloroethane:
(a) 2,4-DNP then aq. KOH
(b) aq. KOH then 2, 4-DNP
(c) NaHSO3
(d) Lucas reagent

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In the dehydration reaction,    CH3CONH2P2O5CH3CN,the hybridization state of carbon changes from:

(a) sp3 to sp2

(b) sp to sp

(c) sp2 to sp

(d) sp to sp3

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The reagent used in dehydrohalogenation process is:

(a) alcoholic KOH

(b) NaNH2

(c) C2H5ONa

(d) all of these

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RCOOHRCH2OH. This mode of reduction can be effected only by:
(a) NaBH4
(b) Na + alcohol
(c) LiAIH4
(d) all of these

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Consider the following reaction,

the product Z, is

(1) CH2=CH2

(2) CH3CH2-O-CH2-CH3

(3) CH3-CH2-O-SO3H

(4) CH3CH2OH

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