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Q. What do you mean by Dative Covalent Bonds?Dative Covalent Bonds
Ans.
Sometimes both electrons in the shared pair come from one atom. This type of bond is called a dative covalent bond.
For example, in the ammonium ion (NH4+) a dative bond occurs between the hydrogen ion (H+) and nitrogen atom. Here, the nitrogen atom supplies both of the electrons of the covalent bond:
Osazone Formation - Test of Glucose Glucose on heating along with excess of phenyl hydrazine in acetic acid provides a yellow crystalline substance, m.pt. 205 ° C.
Give the name of the molecular shape of each of the following. (1 mark each) 1) silicon tetraiodide
A covered glass tube contains 2.25g of copper and 3.32g of sulphur. The mass of the tube as well as its contents is 18.48 g. Upon heating a chemical reaction forms copper(II) sulph
Tautomerism - Type of Isomerism (i) The type of isomerism in which a substance exist in two readily interconvertible different structures leading to dynamic equilibrium is know
How to find the equivalent weight of a compound?
Q. Effect of various additives on the stability of egg foam? recognize the different stages in the foam formation, explain the effect of various factors in foam format
Electromeric effect (1) The occurrence of movement of electrons from one atom to other in multi bonded atoms at the demand of attacking reagent is known as electromeric effect.
principle of qualitative analysis of funcional group
The magnetic quantum number for an electron when the value of principal quantum number is 2 can have: (1)3 values (2) values (3)9 values (4)6 values Ans: 3 values
Askccomparison between caulometry and electrogravimetry question #Minimum 100 words accepted#
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