how to prapare red solid from ethyne ?
Answers
Answer:
Explanation:
presume you mean the reaction of acetylene with metals. Acetylene produces a purplish red precipitate of copper(I) acetylide when mixed with ammoniacal cuprous chloride and a greyish white precipitate of silver acetylide with silver nitrate
Molecular shape
Linear
Thermochemistry
Std molar
entropy (So298)
201 J/(mol·K)
Std enthalpy of
formation (ΔfHo298)
+226.88 kJ/mol
Hazards
GHS pictograms
The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word
Danger
GHS hazard statements
H220, H336
GHS precautionary statements
P202, P210, P261, P271, P304, P340, P312, P377, P381, P403, P403, P233, P405, P501
NFPA 704
NFPA 704 four-colored diamond
413
Autoignition
temperature
300 °C (572 °F; 573 K)
US health exposure limits (NIOSH):
PEL (Permissible)
none[3]
REL (Recommended)
C 2500 ppm (2662 mg/m3)[3]
IDLH (Immediate danger)
N.D.[3]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references