All Courses
Explore Courses UPSC Exam UPSC Test Series Free Notes EduRev Infinity Get the App Login Join for Free
Sign in Open App
Class 12 Exam  >  Class 12 Questions  >  Which one of the following statements is nott... Start Learning for Free
SaveJoin the Discussion on the App
Which one of the following statements is nottrue regarding (+) Lactose ?  [2011]
  • a)
    On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.
  • b)
    (+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.
  • c)
    (+) Lactose is a reducing sugar and doesnot exhibit mutarotation.
  • d)
    (+) Lactose, C12H22O11 contains 8-OHgroups.
Correct answer is option 'C'. Can you explain this answer?
FREE This question is part of
Download PDF Attempt Test
Download PDF Attempt this Test
Verified Answer
Which one of the following statements is nottrue regarding (+) Lactose...
View all questions of this test
Most Upvoted Answer
Which one of the following statements is nottrue regarding (+) Lactose...
Lactose is a reducing sugar ie true..but it shows mutarotation... This is true..

But in option c it is given wrong..
Free Test
FREE
Start Free Test
Start Free Test
Community Answer
Which one of the following statements is nottrue regarding (+) Lactose...
Explanation:

Statement c: (+) Lactose is a reducing sugar and does not exhibit mutarotation.
- (+) Lactose is indeed a reducing sugar because it has a free anomeric carbon in the glucose molecule that can reduce other compounds.
- Mutarotation is the interconversion of α and β anomers of a compound in solution. (+) Lactose can undergo mutarotation due to the presence of free anomeric carbon in glucose.
- Therefore, statement c is not true as (+) Lactose does exhibit mutarotation.
In summary, the correct answer is option 'C' because (+) Lactose is a reducing sugar and does exhibit mutarotation.
< Previous Question Next Question >
Explore Courses for Class 12 exam

Similar Class 12 Doubts

Read the passage given below and answer the following questions:Benzene ring in aniline is highly activated. This is due to the sharing of lone pair of nitrogen with the ring which results in increase in the electron density on the ring and hence facilitates the electrophilic attack. The substitution mainly takes place at ortho and para positions because electron density is more at ortho and para positions. On reaction with aqueous bromine all the ortho and para positions get substituted resulting in the formation of 2,4,6-tribromoaniline. To get a monobromo compound, the amino group is acetylated before bromination. After bromination, the bromoacetanilide is acid hydrolysed to give the desired halogenated amine.In the following questions, a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices :Assertion (

Read the passage given below and answer the following questions:Benzene ring in aniline is highly activated. This is due to the sharing of lone pair of nitrogen with the ring which results in increase in the electron density on the ring and hence facilitates the electrophilic attack. The substitution mainly takes place at ortho and para positions because electron density is more at ortho and para positions. On reaction with aqueous bromine all the ortho and para positions get substituted resulting in the formation of 2,4,6-tribromoaniline. To get a monobromo compound, the amino group is acetylated before bromination. After bromination, the bromoacetanilide is acid hydrolysed to give the desired halogenated amine.In the following questions, a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices :Assertion (

Read the passage given below and answer the following questions:Benzene ring in aniline is highly activated. This is due to the sharing of lone pair of nitrogen with the ring which results in increase in the electron density on the ring and hence facilitates the electrophilic attack. The substitution mainly takes place at ortho and para positions because electron density is more at ortho and para positions. On reaction with aqueous bromine all the ortho and para positions get substituted resulting in the formation of 2,4,6-tribromoaniline. To get a monobromo compound, the amino group is acetylated before bromination. After bromination, the bromoacetanilide is acid hydrolysed to give the desired halogenated amine.In the following questions, a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices :Assertion (

Read the passage given below and answer the following questions:Benzene ring in aniline is highly activated. This is due to the sharing of lone pair of nitrogen with the ring which results in increase in the electron density on the ring and hence facilitates the electrophilic attack. The substitution mainly takes place at ortho and para positions because electron density is more at ortho and para positions. On reaction with aqueous bromine all the ortho and para positions get substituted resulting in the formation of 2,4,6-tribromoaniline. To get a monobromo compound, the amino group is acetylated before bromination. After bromination, the bromoacetanilide is acid hydrolysed to give the desired halogenated amine.In the following questions, a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices :Assertion (

Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer?
Question Description
Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer?.
Solutions for Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.
Here you can find the meaning of Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer?, a detailed solution for Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer? has been provided alongside types of Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Which one of the following statements is nottrue regarding (+) Lactose ? [2011]a)On hydrolysis (+) Lactose gives equalamount of D(+) glucose and D(+) galactose.b)(+) Lactose is a β-glycoside formed by theunion of a molecule of D(+) glucose and amolecule of D(+) galactose.c)(+) Lactose is a reducing sugar and doesnot exhibit mutarotation.d)(+) Lactose, C12H22O11 contains 8-OHgroups.Correct answer is option 'C'. Can you explain this answer? tests, examples and also practice Class 12 tests.
Explore Courses for Class 12 exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Get App
© EduRev
Education Revolution
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup