NEET Practice Questions - Chemistry - Reaction Mechanism - Organic Chemistry

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  • Subject:

    Chemistry

  • Chapter:

    Reaction Mechanism - Organic Chemistry


The increasing order of hydrolysis of the following compounds:

(a) (i)<(iii)<(ii)

(b) (ii)<(iii)<(i)

(c) (ii)<(i)<(iii)

(d) (i)<(ii)<(iii)



Consider the given reaction below:

Which of these is true regarding the reaction shown above?

(1) the configuration of the chiral carbon remains same.

(2) the configuration of the chiral carbon gets inverted

(3) the  compound formed as a product must be a dextro isomer

(4) the reactant is optically inactive but the product is obtained as a levo isomer.


Zn ANH3/EtOHNa B

Product 2 is


The ease of dehydrohalogen of alkyl halide with alcoholic KOH is(1) 3°>2°>1°(2) 3°<2°<1°(3) 3°>2°<1°(4) 3°<2°>1°


Which of the following is formed by the thermal decomposition of the hydroxide of:


Read the following road map carefully

(1) Both the ethers obtained by the two routes have opposite but equal optical rotation.

(2) One of the ether is obtained as a recemic mixture.

(3) Step II & III both are SN2 reaction and both have inversion.

(4) Step II has inversion but step III has retention.


PhOH NaOHMe2SO4 P, P is

(1) Ph–O–SO2OMe

(2) PhOMe

(3) PhOSO2OPh

(4) PhMe


Which of the following statement is correct

(1)
(2)
(3)
(4)

Product is

(1) CH3 – CH2 – S – CH2 – CH2 – OH

(2) CH3 – CH2 – O – CH2 – CH2 – OH

(3)

(4)