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2-4-2. Under the Whyte notation for the classification of steam locomotives, 2-4-2 represents the wheel arrangement of two leading wheels on one axle, four powered and coupled driving wheels on two axles and two trailing wheels on one axle. The type is sometimes named Columbia after a Baldwin 2-4-2 locomotive was showcased at the 1893 World's ...
Disodium tetracarbonylferrate is the organoiron compound with the formula Na 2 [Fe (CO) 4 ]. It is always used as a solvate, e.g., with tetrahydrofuran or dimethoxyethane, which bind to the sodium cation. [1] An oxygen -sensitive colourless solid, it is a reagent in organometallic and organic chemical research.
Na Maloom Afraad 2 is a 2017 Pakistani action comedy film, co-written and directed by Nabeel Qureshi and produced by Fizza Ali Meerza and Mehdi Ali. It is a sequel to Na Maloom Afraad (2014). The film stars Fahad Mustafa , Javed Sheikh , Mohsin Abbas Haider and Urwa Hocane reprising their roles from the previous film.
Infobox references. Sodium 1,3-dithiole-2-thione-4,5-dithiolate is the organosulfur compound with the formula Na 2 C 3 S 5, abbreviated Na 2 dmit. It is the sodium salt of the conjugate base of the 4,5-bis (sulfanyl)-2 H - 1,3-dithiole -2-thione. The salt is a precursor to dithiolene complexes and tetrathiafulvalenes.
An electride, [Na(NH 3) 6] + e −, is formed as a reaction intermediate. 2 Na + 2 NH 3 → 2 NaNH 2 + H 2. NaNH 2 is a salt-like material and as such, crystallizes as an infinite polymer. The geometry about sodium is tetrahedral. In ammonia, NaNH 2 forms conductive solutions, consistent with the presence of [Na(NH 3) 6] + and NH − 2 ions. Uses
2,4-Dichlorophenoxyacetic acid is an organic compound with the chemical formula Cl 2 C 6 H 3 OCH 2 CO 2 H. It is usually referred to by its ISO common name 2,4-D . [4] It is a systemic herbicide that kills most broadleaf weeds by causing uncontrolled growth, but most grasses such as cereals , lawn turf, and grassland are relatively unaffected.
2,4-Dinitrophenylhydrazine ( 2,4-DNPH or DNPH) is the organic compound C 6 H 3 (NO 2) 2 NHNH 2. DNPH is a red to orange solid. It is a substituted hydrazine. The solid is relatively sensitive to shock and friction. For this reason DNPH is usually handled as a wet powder. DNPH is a precursor to the drug Sivifene .
MG ZS. The MG ZS is a sports family car that was built by MG Rover from 2001 until 2005. The ZS is essentially a tuned version of the Rover 45 (which was launched in 1999). The 45 in turn is a facelifted version of the Rover 400 which was launched in hatchback form in 1995 and saloon form in 1996, which in turn was derived from the Honda Domani .