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Which of the following compounds are covalent:
(1) H2
(2) CaO
(3) KCL
(4) Na2S
Ans: H2
Physical Properties of Maleic Acid and Fumaric Acid (i) Maleic Acid and Fumaric Acid Both are colourless crystalline solids. They both are soluble in water. (ii) The melting
Number of unpaired electrons in Mn 4+ is: (1) 3 (2) 5 (3) 6 (4) 4 Ans: 3
Calculate ionisation potential of the electron in the first exited state of singly ionised Helium atom is given by ionisation of Hydrogen atom to be 13.6 eV. Ans: According to
In lab, you're having fun along with buffers based onto a 0.1 M solution of sodium phosphate at pH7.0. Into this system, there are three of pK A s as: 12.7, 7.21 and 2.12.
For a general reaction such as: The equilibrium constant is where the terms [A], [B],...strictly represent activities but are frequently approximated as co
What are the distinguishing characteristics of metallic bonding? The metallic state can be imagine as an array of positive ions, with a common pool of electrons to which all th
What volumne of 10.83 M HNO3 is required to prepare 683 mL of a 1.9 M HNO3 solution? Answer in units of mL
Position isomerism: It is due to the difference in the position of the substituent atom or group or an unsaturated linkage in similar carbon chain. A. Carboxylic, aldehydes
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Show by means of equations and reagents, how the following conversion would be achieved? Propyne to butanoic acid
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