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Basic dyes are cationic organic dyes which contain amine groups and are utilized with inorganic anions to fix them to the surface of __________

Basic dyes are cationic organic dyes which contain amine groups and are utilized with inorganic anions to fix them to the surface of __________ Correct Answer Brighteners

Basic dyes are cationic organic dyes which contain amine groups which are utilized with inorganic anions to fix them to the surface of fibers. They have strong affinity for lignin but not for bleached pulps and have poor fastness to light. They are utilized in newsprint, in “yellow pages” of phone books, and similar products.

Related Questions

Consider the following assumptions made while developing the ionic packing theory: 1. Cations and anions are spherical but these spheres are not hard 2. Cations are always smaller than anions 3. Each cation would tend to be surrounded by the maximum number of anions permitted by the geometry 4. Cations and anions do not touch each other  Which of the above assumptions are correct?
Mohan deposit certain amount in bank saving account for 6 year which give simple interest of x% annually and invest same principle in fix deposit for 2 year which gives interest rate 10% and compounded annually, total interest he get from saving account to fix deposit in the ratio of 6 : 7, if bank provide (x + 3)% rate annually on saving account deposit, then difference of interest arise Rs.7,500 between saving account and fix deposit after respective time period, what amount he invest in fix deposit?
The term _________is often utilized to mean a material containing cationic and anionic groups; strictly speaking, however, it means a material that is both acidic and basic.
By studying all following options, select a pair that uses most closely similar reasoning. a. Researchers have looked at the communication between different animals and found that meerkats have a series of alerts and calls that fail into two categories, greetings and alarms. Since we can be sure that this meerkat is not calling as a greeting, we must accept that he is attempting to raise the alarm. b. Farmers must choose between using organic or non-organic fertilisers on their land. Organic fertilisers can produce a lower crop yield and farmers may find it difficult to change to organic methods if they have been using non-organic methods for some time. Farmers should, therefore, consider the longer-term impacts of their decisions. c. Either young persons are getting cleverer each year or examinations are becoming easier for students to pass. Since there is very little evidence from IQ testing and other supposed benchmarks that young persons are more intelligent now than in the past, we must conclude that the examination system is easier for students today than it was in the past. d. Closed wood burning chulhas are a better way to cook your food than open fire chulhas. Closed wood burning chulhas are highly efficient, whereas the open fire of open fire chulhas loses a great deal of heat in the air. More people should, therefore, use closed wood burning chulhas in their homes.
The pKa values for the three ionisable groups X, Y and Z of glutamic acid are 4.3, 9.7 and 2.2 respectively
Basics of Organic Reaction Mechanism mcq question image
The isoelectric point for the amino acid is
A teacher makes groups of four learners and asks them to read and make a summary of the text/story. When students are working in groups she is helping them as and when required by the groups, later she asks the groups to present it to the whole class. What could this be described as?
Which of the following statements are true about anions and cations? Statement 1: In anions, the electrons are more than the protons. Statement 2: In cations, the electrons are less than the protons.
Arrange the interest groups as given by Gabriel Almond in sequential order
1. Institutional groups
2. Non-associational groups
3. Associational groups
4. Anomie groups
The circulation and movement of soluble inorganic matter (nutrients) derived from sedimentary and atmospheric phases and reservoirs through organic phase of various biotic components and finally their return to inorganic phase is collectively called:
When two alkyl groups are attached to the nitrogen atom in an amine, it is known as a _______ amine.