Question
- Describe and illustrate with an example each, a mordant dye and a detergent.
- Give an example of a liquid propellant.
✓
Answer
- Mordant dye: These dyes are primarly used for dyeing of wool in the presence of metal ions. e.g. Alizarin.
- Liquid $O_2,$ Nitrogen, Nitrogen tetraoxide or nitric acid as an oxidiser.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
(i) Give the structure of haloalkane having five carbon by which optical isomerism is shown.
(ii) Which type of isomerism is present in 1-chloro butane and 1-chloro-2-methyl propane.
(iii) Write the position isomers of the compound having molecular formula $C _4 H _9 Cl$, which have straight chain.
→(ii) Which type of isomerism is present in 1-chloro butane and 1-chloro-2-methyl propane.
(iii) Write the position isomers of the compound having molecular formula $C _4 H _9 Cl$, which have straight chain.
Write the coordination number of each ion in the following crystals:
→- $ZnS$
- $CaF_2$
- $Na_2O$
a. Give the structure of all the possible dipeptides formed when the following two amino acids form a peptide bond.
b. Keratin, insulin, and myosin are a few examples of proteins present in the human body. Identify which type of protein is keratin and insulin and differentiate between them based on their physical properties.
b. Keratin, insulin, and myosin are a few examples of proteins present in the human body. Identify which type of protein is keratin and insulin and differentiate between them based on their physical properties.
Explain with chemical reactions, the reaction of carboxylic acids with ammonia.
Colour of $KMnO_4$ disappears when oxalic acid is added to its solution in acidic medium.
→In a pseudo first order hydrolysis of ester in water, the following results were obtained:
→| t/s | $0$ | $30$ | $60$ | $90$ |
| [Ester]/mol $L^{-1}$ | $0.55$ | $0.31$ | $0.17$ | $0.085$ |
- Calculate the average rate of reaction between the time interval $30 $to $60 $seconds.
- Calculate the pseudo first order rate constant for the hydrolysis of ester.
Explain preparation of haloarene from amine compound. ### Preparation of hyloarene by sandmayer reaction.
Discuss the classification of monohydric alcohols containing $C_{sp}^3-OH$ bond.
→Why is an external emf of more than $2.2V$ required for the extraction of $Cl_2$ from brine?
→Silver crystallizes in face-centered cubic unit cell. Each side of this unit cell has a length of 400 pm. Calculate the radius of the silver atom. (Assume the atoms just touch each other on the diagonal across the face of the unit cell. That is each face atomis touching the four comer atoms.)