homologous series sentence in Hindi
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- Joback assumed a constant contribution of added groups in homologous series like the alkanes.
- The concept of homologous series was proposed in 1843 by the French chemist Charles Gerhardt.
- Related to silanes, is a homologous series of functional groups, radicals with the general formula.
- Although many natural waxes contain esters, paraffin waxes are hydrocarbons, mixtures of alkanes usually in a homologous series of chain lengths.
- Examining organic compounds, the relative intensity of the molecular ion peak diminishes with branching and with increasing mass in a homologous series.
- The possible products include silane and / or higher molecules in the homologous series, a polymeric silicon hydride, or a silicic acid.
- By definition, cycles are excluded, so that the silanylidene groups comprise a homologous series of inorganic functional groups with the general chemical formula.
- The classification of organic compounds into homologous series was advanced as one consequence of his researches into the acids generated by the oxidation of the alcohols.
- As a rule of thumb, the boiling point rises 20 30 �C for each carbon added to the chain; this rule applies to other homologous series.
- The possible products include SiH 4 and / or higher molecules in the homologous series Si n H 2n + 2, a polymeric silicon hydride, or a silicic acid.
- Thus, these compounds form a homologous series with chemical formula in which the members differ by a constant relative molecular mass of 16 ( the mass of each additional oxygen atom ).
- Much of the early work establishing that silicon does indeed form a homologous series of hydride analogous to the alkanes, albeit to a much smaller extent, was conducted by Alfred Stock and Carl Somiesky.
- Evidence that cutan is a hydrocarbon polymer comes from the fact that its flash pyrolysis products are a characteristic homologous series of paired alkanes and alkenes ( Nip " et al . " 1986)
- The corresponding homologous series of primary straight-chained alcohol comprises methanol ( CH 4 O ), ethanol ( C 2 H 6 O ), 1-propanol ( C 3 H 8 O ), 1-butanol, and so on.
- The homologous series of straight-chained alkanes begins methane ( CH 4 ), ethane ( C 2 H 6 ), propane ( C 3 H 8 ), butane ( C 4 H 10 ), and pentane ( C 5 H 12 ).
- Analysis of the extracts revealed homologous very-long-chain 1, 3-alkanediols, homologous series of C31, C33 and C35 alkanols, protoquercitol, methyl-D-fructopyranoside, palmitic acid, stearic acid, linoleic acid, linolenic acid and their methyl esters.
- Vavilov's ideas regarding the law of homologous series in hereditary variation gives the answer to the question of " which " material should be sought, while the theory of the centers of origin of cultivated plants responds to the question of " where " it should be sought.
- With their repeated-CH 2-units, the alkanes constitute a homologous series of organic compounds in which the members differ in molecular mass by multiples of 14.03 methylene-bridge unit, which comprises a single carbon atom of mass 12.01 u and two hydrogen atoms of mass ~ 1.01 u each ).
- In literature, " nor " is sometimes called the " next lower homologue ", although in this context " homologue " is an inexact term . " Nor " only refers to the removal of one carbon atom with the accompanying hydrogen, not the removal of other units . " Nor " compares two related compounds; it does not describe the relation to a homologous series.
- P 4-" t "-Bu can also be regarded as tetrameric triaminoiminophosphorane of the basic structure ( H 2 N ) 3 P = N-H . The homologous series of P 1 to P 7 polyaminophosphazenes of the general formula \ mathrm { [ ( R ^ 1 _ 2N ) _ 3P = N-] _ x-( R ^ 1 _ 2N ) _ { 3-x } P = NR ^ 2 } with preferably methyl groups as R 1, a methyl group or tert .-butyl group as and even-numbered x between 0 and 6 ( P 4-" t "-Bu : R 1 = Me, R 2 = " t "-Bu und x = 3 ) has been developed by Reinhard Schwesinger; the resulting phosphazene bases are therefore also referred to as Schwesinger superbases.
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