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what are the oxides and halides of d-block elements? mention them groupwise and comment on the stability of their oxidation state.
Q. What do you mean by Homologous Series? Ans. How can we adequately learn about carbon compounds when there are so many of them? The answer lies in grouping similar c
Define Equilibrium with an Aqueous Phase? What are the values of C and F in systems consisting of solid AgCl in equilibrium with an aqueous phase containing H 2 O, Ag + (aq), C
1. For what fraction of annual CO 2 emissions from fossil fuel burning are automobiles responsible? 2. A 1000-kg car travels 1.6 × 10 4 km/yr. What is the ratio of the mass of
list the physical properties of two examples of metallic and non metallic elements
de-Broglie equation is: (1) n γ= 2d sin θ (2) E= hv (3) E= mc 2 (4) γ= h/ mv Ans: γ= h/ mv
what is the hybridization of transion state of sn2 rection
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 dativ
What is pH scale?
what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?
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