A. n-type semiconductor
B. p-type semiconductor
C. Metallic conductor
D. Insulator
In the reaction AlCl3+Cl-→[AlCl4]-,AlCl3 acts as
The solubility of the impurities in the metal in molten and solid states is different. The principle involved in the refining of metal is
In the reaction AlCl3+Cl-→AlCl4-, AlCl3 is
The Kc for the reaction A+B↔C is 4 and Kc for 2A+D↔C is 6. The value of Kc for C+D↔2B is
Which of the following halide does not contain a lone pair of electrons on the central atom
75% of first order reaction is completed in 32 minutes 50% of the reaction would have been completed in
Resonance in benzene is accompanied by delocalization of π –electrons. Each π electron is attached with
The following is a reversible reaction
Vicinal dihalide (C2H4Br2) on heating with excess alc.KOH and Zinc dust gives ’y’ and ‘z’ respectively. Both ‘y’ and ’z’ on oxidation with Bayer’s regent gives A and B.A and B respectively are
In the extraction of copper, the slag formed in the blast furnace