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D-Glucose and D-fructose both form the s...

`D`-Glucose and `D`-fructose both form the same osazone, Which statements are correct about the above reaciton?

A

Glucose and fructose are epimers.

B

Glucose and fruc tose are anomers.

C

The c onfigurations of the OH group at C-3 and c-4 in glucose and fruc tose are same.

D

The configurations of the OH group at C -4 and C-5 in glucose and fructose are same.

Text Solution

Verified by Experts

The correct Answer is:
C, D
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Glucose and fructose give the same osazone ? Explain.

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Knowledge Check

  • Which statement is correct about the above reaction ?

    A
    (I) by `SN^(1)` mechanism.
    B
    Product (B) is (II) by `SN^(2)` mechanism.
    C
    Product `(B)` is `(I)` by `SN^2` mechanism.
    D
    product `(B)` is `(II)` by `SN^1` mechanism.

  • Which statement is correct about the above reaction ?

    A
    Both products `(B)` and `(C )` are optically active.
    B
    Both products `(B)` and `(c)` are optically inactive.
    C
    Product `(B)` is optically inactive but product `(c)` is optically active.
    D
    Product `(B)` is formed by anti-addition but product `(c)` is formed by syn-addition of `H_2`.

  • Which of the statements are correct about above reaction?

    A
    (i) and (v) both are nucleophiles.
    B
    In (iii) carbon atom is `sp^(3)` hybridised.
    C
    In (iii) carbon atom is `sp^(2)` hybridised.
    D
    (i) and (v) both are electrophiles.

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