What are the main products of a reaction of Si(s) with excess Cl_2(g) and of Pb(

Question

What are the main products of a reaction of Si(s) with excess Cl_2(g) and of Pb(s) with excess Cl_2(g) at room temperature? SiCl_2 and PbCl_2 SiCI_2 and PbCI_4 SiCl_4 and PbCl_2 SiCl_4 and PbCl_4 Which statement concerning lithium is false? Lithium can form compounds in which it is bound to carbon. Lithium has a higher first ionization energy than potassium. Lithium reacts with nitrogen to form lithium nitride. Li_3N. Lithium reacts with oxygen to form predominantly lithium superoxide. LiO_2. Given that M represents a transition metal, the oxidative addition of HCI to MCl(P(CH_3)_3)_3 is more likely if MCI(P(CH_3)_3)_3 has 16 valence electrons than if MCl(P(CH_3)_3)_3^has 18 valence electrons. M is an early transition metal in the first row of transition elements. MCI(P(CH_3)_3)_3, is coordinative saturated. M is in its highest oxidation state. Which main-group species is isolobal (equivalent frontier orbitals) with Mn(CO)_s? BH_3 [BH_4]^- SiH_3 [SiH_4]^- The thermal reaction of cis-Mo(CO__4(PR_3)_2 + CO rightarrow Mo(CO)_5(PR_3) + PR_3 occurs most rapidly for which phosphine? PPh_3 PMe_3 PEt_3 PH_3 The thermal reaction of (CH_3)Mn(CO)_3 with^13CO yields only cis-(CH_3CO)Mn^13 CO(CO)_4. Which arguments are consistent with this observation? Methyl migration occurs after CO addition. Methyl migration occurs after CO addition. CO ligands do not scramble after addition. CO ligands do not scramble after addition. I and III I and IV II and III II and IV

Explanation / Answer

Ans 43 C . SiCl4 and PbCl2

Silicon reacts with excess chlorine to form Silicon tetrachloride , which was first prepared by Jons Jakob Berzilius in 1823. It can be prepared by the chlorination of silicon compounds such as ferrosilicon , silicon carbide etc.

likewise Lead (II) forms Lead chloride when it is treated with excess of chlorine, the formula of the compound is PbCl2.

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