Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Question:
(i) Differentiate between ionic, metallic, covalent and dipole-dipole bonds. Provide examples in each case.
(ii) With regard to electronic con?guration, what do all the elements in Group VII of the periodic table have in common?
(iii) Describe why hydrogen ?uoride (HF) has a higher boiling temperature than hydrogen chloride (HCl) (19.4ºC vs. - 85ºC), even though HF has a lower molecular weight.
(iv) On the basis of the hydrogen bond, explain the anomalous behaviour of water when it freezes. That is, why is there volume expansion upon solidi?cation?
(a) Copper has an atomic radius of 0.128 nm, a face-centered cubic crystal structure and an atomic weight of 63.5 g/mol. Compute
(i) the volume of a unit cell of copper
(ii) the atomic packing factor
(iii) the theoretical density of copper.
which metal is highly reactive?
my question is sodium carbonate is widely used in the manufacture of products such as glass, bread, water softeners and soaps. most sodium carbonate is produced industrially using
Tests of unsaturation - Bromine - carbon tetrachloride test The compound is liquefying in carbon tetrachloride or chloroform and after that a few drops of 5% bromine solution i
Why can''t glucose exist as a gas? What properties make this so?
Write the maximum possible coordination number of an atom in an hcp crystal structure of an element? Illustrate the formula relating pressure of a gas with its mole fraction in
In crystallography, water of crystallization or water of hydration or crystallization water is water that occurs in crystals. Water of crystallization is essential for the maintena
0.265g of an organic compound produced on evaporation 102cm^3 of vapour at 373k and 775mmHg.percentage composition of the constituents elements are 92.24 % of carbon and 7.76% of h
Q. Uses of Aluminium? Aluminium exhibits useful properties of low density, high thermal and electrical conductivity, and good corrosion resistance with non-toxic nature of the
Tests for acetone - Indigo test and Iodoform test (a) Indigo test: When a small amount of orthonitrobenzaldehyde is added to approximately 2 ml. of acetone and it is diluted al
Explain about Phosphprous and its allotrpes White phosphorus - crystalline solid P 4 Red phosphorus - polymeric solid Scarlet phosphorus Violet phosphorus
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd