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 racemic mixture.

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

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

$\text{PhOH }\underset{\text{NaOH}}{\overset{{\text{Me}}_{\text{2}}{\text{SO}}_{\text{4}}}{\to }}\text{ P,}$ 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)

Product, Product is

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

In the reaction The product is –

1.
2.
3.
4.

(1) R

(2) S

(3) R, S both

(4) None of these

The products of hydrolysis of 

(1) HOCH₂CH₂CH₂CH₂ CHO + CH₃CHO

(2) HOCH₂CH₂CH₂CH₂OH + CH₃CHO

(3) HOCH₂CH₂CH₂CH₂CHO + C₂H₅OH

(4) HOCH₂CH₂CH₂CH₂CH₂OH + C₂H₅OH

The product A is :

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