On adding a little phosphorous to silicon, we get a/an

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 K_c for the reaction A+B↔C is 4 and K_c for 2A+D↔C is 6. The value of K_c 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