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Website. ptcl .com .pk. Pakistan Telecommunication Company Ltd., commonly known as PTCL ( Urdu: مشارکتِ پاکستان برائے بعیدالمواصلات (المحدود)) is the national telecommunication company in Pakistan. [1] [3] PTCL provides telephone and internet services nationwide and is the backbone for the country's ...
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Platinum (IV) chloride is the inorganic compound of platinum and chlorine with the empirical formula PtCl 4. This brown solid features platinum in the 4+ oxidation state.
β-PtCl 2 is prepared by heating chloroplatinic acid to 350 °C in air. H 2 PtCl 6 → PtCl 2 + Cl 2 + 2 HCl. This method is convenient since the chloroplatinic acid is generated readily from Pt metal. Aqueous solutions of H 2 PtCl 6 can also be reduced with hydrazinium salts, but this method is more laborious than the thermal route of Kerr and ...
Chloroplatinic acid (also known as hexachloroplatinic acid) is an inorganic compound with the formula [H 3 O] 2 [PtCl 6 ] (H 2 O) x (0 ≤ x ≤ 6). A red solid, it is an important commercial source of platinum, usually as an aqueous solution. Although often written in shorthand as H 2 PtCl 6, it is the hydronium (H 3 O +) salt of the ...
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The Karnataka Scheduled Castes and Scheduled Tribes (Prohibition of Transfer of Certain Lands) Act, 1978 (Karnataka Act 2 of 1979) or PTCL is a statute of Karnataka. This law which was introduced in 1978 is retrospective in nature and is considered an ex post facto law .
Zeise's dimer, [(η 2-C 2 H 4)PtCl 2] 2, derived from Zeise's salt by elimination of KCl followed by dimerisation. COD-platinum dichloride, (cyclooctadiene)PtCl 2, derived from platinum(II) chloride and 1,5-cyclooctadiene, is a common platinum(II) alkene complex. Many other ethylene complexes have been prepared.
Infobox references. Dichloro (1,5-cyclooctadiene)platinum (II) ( Pt (cod)Cl2) is an organometallic compound of platinum. This colourless solid is an entry point to other platinum compounds through the displacement of the cod and/or chloride ligands. It is one of several complexes of cycloocta-1,5-diene .