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CHXII14:BIOMOLECULES

324609 Glucose when treated with ${CH}_{3} OH$ in presence of dry $HCl$ gas gives $α$ -and $β -$ methylglucosides because it contains

1 an aldehydic group

2

a - {CH}_{2} OH

group

3 a ring structure

4 five

- OH

group

CHXII14:BIOMOLECULES

324610 Glucose when heated with phenyl hydrazine forms

1 Fructosazone

2 Glucosazone

3 Glucose phenyl hydrazine

4 Phenyl hydrazine of glucosazone

CHXII14:BIOMOLECULES

324611 The value of $X$ for an aldoheptose, when $X$ is
$X = \frac{No. of stereoisomers}{8}$

1 1

2 2

3 3

4 4

Explanation:

No. of chiral center in an aldoheptoses
supporting img
when terminal groups are different. No. of isomers $= 2^{5} = 32$
$X = \frac{32}{8} = 4$

CHXII14:BIOMOLECULES

324612 Match Column I with Column II.
supporting img

1

A - R, B - Q, C - P, D - S

2

A - S, B - P, C - R, D - Q

3

A - Q, B - S, C - R, D - P

4

A - P, B - S, C - R, D - Q

Explanation:

(A - Q) Glucose $\to_{Δ}^{{NaHCO}_{3}}$ No reaction
(B - S) Glucose $\overset{{HNO}_{3}}{\to}$ Saccharic acid
(C - R) Glucose $\to_{Δ}^{HI} n$ -Hexane
(D - P) Glucose $\to_{Water}^{{Br}_{2}}$ Gluconic acid
So, the correct option is (3).

JEE Main - 2024

CHXII14:BIOMOLECULES

324613 The reagents with which glucose does not react to give the corresponding tests/products are
A. Tollen's reagent
B. Schiff's reagent
C. HCN
D. ${NH}_{2} OH$
E. ${NaHSO}_{3}$
Choose the correct options from the given below:

1 B and C

2 A and D

3 B and E

4 E and D

Explanation:

Despite having the aldehydic group glucose does not give Schiff's test and it does not form the hydrogen sulphite addition product with ${NaHSO}_{3}$ .

NEET - 2024

CHXII14:BIOMOLECULES

324609 Glucose when treated with ${CH}_{3} OH$ in presence of dry $HCl$ gas gives $α$ -and $β -$ methylglucosides because it contains

1 an aldehydic group

2

a - {CH}_{2} OH

group

3 a ring structure

4 five

- OH

group

CHXII14:BIOMOLECULES

324610 Glucose when heated with phenyl hydrazine forms

1 Fructosazone

2 Glucosazone

3 Glucose phenyl hydrazine

4 Phenyl hydrazine of glucosazone

CHXII14:BIOMOLECULES

324611 The value of $X$ for an aldoheptose, when $X$ is
$X = \frac{No. of stereoisomers}{8}$

1 1

2 2

3 3

4 4

Explanation:

No. of chiral center in an aldoheptoses
supporting img
when terminal groups are different. No. of isomers $= 2^{5} = 32$
$X = \frac{32}{8} = 4$

CHXII14:BIOMOLECULES

324612 Match Column I with Column II.
supporting img

1

A - R, B - Q, C - P, D - S

2

A - S, B - P, C - R, D - Q

3

A - Q, B - S, C - R, D - P

4

A - P, B - S, C - R, D - Q

Explanation:

(A - Q) Glucose $\to_{Δ}^{{NaHCO}_{3}}$ No reaction
(B - S) Glucose $\overset{{HNO}_{3}}{\to}$ Saccharic acid
(C - R) Glucose $\to_{Δ}^{HI} n$ -Hexane
(D - P) Glucose $\to_{Water}^{{Br}_{2}}$ Gluconic acid
So, the correct option is (3).

JEE Main - 2024

CHXII14:BIOMOLECULES

324613 The reagents with which glucose does not react to give the corresponding tests/products are
A. Tollen's reagent
B. Schiff's reagent
C. HCN
D. ${NH}_{2} OH$
E. ${NaHSO}_{3}$
Choose the correct options from the given below:

1 B and C

2 A and D

3 B and E

4 E and D

Explanation:

Despite having the aldehydic group glucose does not give Schiff's test and it does not form the hydrogen sulphite addition product with ${NaHSO}_{3}$ .

NEET - 2024

CHXII14:BIOMOLECULES

324609 Glucose when treated with ${CH}_{3} OH$ in presence of dry $HCl$ gas gives $α$ -and $β -$ methylglucosides because it contains

1 an aldehydic group

2

a - {CH}_{2} OH

group

3 a ring structure

4 five

- OH

group

CHXII14:BIOMOLECULES

324610 Glucose when heated with phenyl hydrazine forms

1 Fructosazone

2 Glucosazone

3 Glucose phenyl hydrazine

4 Phenyl hydrazine of glucosazone

CHXII14:BIOMOLECULES

324611 The value of $X$ for an aldoheptose, when $X$ is
$X = \frac{No. of stereoisomers}{8}$

1 1

2 2

3 3

4 4

Explanation:

No. of chiral center in an aldoheptoses
supporting img
when terminal groups are different. No. of isomers $= 2^{5} = 32$
$X = \frac{32}{8} = 4$

CHXII14:BIOMOLECULES

324612 Match Column I with Column II.
supporting img

1

A - R, B - Q, C - P, D - S

2

A - S, B - P, C - R, D - Q

3

A - Q, B - S, C - R, D - P

4

A - P, B - S, C - R, D - Q

Explanation:

(A - Q) Glucose $\to_{Δ}^{{NaHCO}_{3}}$ No reaction
(B - S) Glucose $\overset{{HNO}_{3}}{\to}$ Saccharic acid
(C - R) Glucose $\to_{Δ}^{HI} n$ -Hexane
(D - P) Glucose $\to_{Water}^{{Br}_{2}}$ Gluconic acid
So, the correct option is (3).

JEE Main - 2024

CHXII14:BIOMOLECULES

324613 The reagents with which glucose does not react to give the corresponding tests/products are
A. Tollen's reagent
B. Schiff's reagent
C. HCN
D. ${NH}_{2} OH$
E. ${NaHSO}_{3}$
Choose the correct options from the given below:

1 B and C

2 A and D

3 B and E

4 E and D

Explanation:

Despite having the aldehydic group glucose does not give Schiff's test and it does not form the hydrogen sulphite addition product with ${NaHSO}_{3}$ .

NEET - 2024

CHXII14:BIOMOLECULES

324609 Glucose when treated with ${CH}_{3} OH$ in presence of dry $HCl$ gas gives $α$ -and $β -$ methylglucosides because it contains

1 an aldehydic group

2

a - {CH}_{2} OH

group

3 a ring structure

4 five

- OH

group

CHXII14:BIOMOLECULES

324610 Glucose when heated with phenyl hydrazine forms

1 Fructosazone

2 Glucosazone

3 Glucose phenyl hydrazine

4 Phenyl hydrazine of glucosazone

CHXII14:BIOMOLECULES

324611 The value of $X$ for an aldoheptose, when $X$ is
$X = \frac{No. of stereoisomers}{8}$

1 1

2 2

3 3

4 4

Explanation:

No. of chiral center in an aldoheptoses
supporting img
when terminal groups are different. No. of isomers $= 2^{5} = 32$
$X = \frac{32}{8} = 4$

CHXII14:BIOMOLECULES

324612 Match Column I with Column II.
supporting img

1

A - R, B - Q, C - P, D - S

2

A - S, B - P, C - R, D - Q

3

A - Q, B - S, C - R, D - P

4

A - P, B - S, C - R, D - Q

Explanation:

(A - Q) Glucose $\to_{Δ}^{{NaHCO}_{3}}$ No reaction
(B - S) Glucose $\overset{{HNO}_{3}}{\to}$ Saccharic acid
(C - R) Glucose $\to_{Δ}^{HI} n$ -Hexane
(D - P) Glucose $\to_{Water}^{{Br}_{2}}$ Gluconic acid
So, the correct option is (3).

JEE Main - 2024

CHXII14:BIOMOLECULES

324613 The reagents with which glucose does not react to give the corresponding tests/products are
A. Tollen's reagent
B. Schiff's reagent
C. HCN
D. ${NH}_{2} OH$
E. ${NaHSO}_{3}$
Choose the correct options from the given below:

1 B and C

2 A and D

3 B and E

4 E and D

Explanation:

Despite having the aldehydic group glucose does not give Schiff's test and it does not form the hydrogen sulphite addition product with ${NaHSO}_{3}$ .

NEET - 2024

CHXII14:BIOMOLECULES

324609 Glucose when treated with ${CH}_{3} OH$ in presence of dry $HCl$ gas gives $α$ -and $β -$ methylglucosides because it contains

1 an aldehydic group

2

a - {CH}_{2} OH

group

3 a ring structure

4 five

- OH

group

CHXII14:BIOMOLECULES

324610 Glucose when heated with phenyl hydrazine forms

1 Fructosazone

2 Glucosazone

3 Glucose phenyl hydrazine

4 Phenyl hydrazine of glucosazone

CHXII14:BIOMOLECULES

324611 The value of $X$ for an aldoheptose, when $X$ is
$X = \frac{No. of stereoisomers}{8}$

1 1

2 2

3 3

4 4

Explanation:

No. of chiral center in an aldoheptoses
supporting img
when terminal groups are different. No. of isomers $= 2^{5} = 32$
$X = \frac{32}{8} = 4$

CHXII14:BIOMOLECULES

324612 Match Column I with Column II.
supporting img

1

A - R, B - Q, C - P, D - S

2

A - S, B - P, C - R, D - Q

3

A - Q, B - S, C - R, D - P

4

A - P, B - S, C - R, D - Q

Explanation:

(A - Q) Glucose $\to_{Δ}^{{NaHCO}_{3}}$ No reaction
(B - S) Glucose $\overset{{HNO}_{3}}{\to}$ Saccharic acid
(C - R) Glucose $\to_{Δ}^{HI} n$ -Hexane
(D - P) Glucose $\to_{Water}^{{Br}_{2}}$ Gluconic acid
So, the correct option is (3).

JEE Main - 2024

CHXII14:BIOMOLECULES

324613 The reagents with which glucose does not react to give the corresponding tests/products are
A. Tollen's reagent
B. Schiff's reagent
C. HCN
D. ${NH}_{2} OH$
E. ${NaHSO}_{3}$
Choose the correct options from the given below:

1 B and C

2 A and D

3 B and E

4 E and D

Explanation:

Despite having the aldehydic group glucose does not give Schiff's test and it does not form the hydrogen sulphite addition product with ${NaHSO}_{3}$ .

NEET - 2024

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