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Anionic Detergent - Types of Detergent
Long chain alcohols are utilized in the manufacture of few of the synthetic anionic detergents. The comprehensive chain alcohols are treated with concentrated sulphuric acid to make alkyl hydrogen sulphates of high molecular mass and at last the alkyl sulphates are neutralized along with alkali to form salts.
The maximum number of electrons accommodated in 5f orbitals are: (1) 5 (2) 10 (3) 14 (4) 18 Ans: 14
Q. Explain the structure of Alkenes? Ans. Alkenes have the general formula C n H 2n . Therefore, for every n carbon atoms, there are 2n hydrogen atoms. Alkenes have C =
Write one reaction each to exemplify the following: (a) Aldol condensation (b) Friedel-Crafts reaction
which coating is better for steel. Tin or zinc?
Iodometric Titrations and Iodimetric The reduction of free iodine to iodide ions and oxidation of iodide ions to free iodine takes place in these titrations. I 2 + 2e - →
(a) Write the structural formula of 3-phenylprop-2-enal. (b) Write one chemical equation each to illustrate the following reactions: (i) Aldol condensation (ii) Cannizzaro
Which of the following are isoelectronic and isostructural NO - 3 , CO 2- 3 ,ClO - 3 , S O 3 (1) NO - 3 , CO 2 - 3 (2) SO 3 , NO- 3
Atoms consists of protons, neutrons and electrons. If the mass of neutrons and electrons were made half and two times respectively to their actual masses, then the atomic mass of
Classification of polymers - Natural polymer The polymers acquired from nature (plants and animals) are known as natural polymers. These types of polymers are extremely essenti
determine alcohol acidity in oats
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