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JEE Advanced 2020 Paper 1

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PART-II : CHEMISTRY

SECTION - 1

Each question has FOUR options. ONLY ONE of these four options is the correct answer.

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Question : 24

Total: 54

The Fischer projection of D-erythrose is shown below.

D-Erythrose and its isomers are listed as P, Q, R, and S in Column-I. Choose the correct relationship of P, Q, R, and S with D-erythrose from Column II.

	Column-I		Column-II
P.		1.	Diastereomer
Q.		2.	Identical
R.		3.	Enantiomer
S.

P → 2, Q → 3, R → 2, S → 2
P → 3, Q → 1, R → 1, S → 2
P → 2, Q → 1, R → 1, S → 3
P → 2, Q → 3, R → 3, S → 1

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