shininess and ductility
conductivity, malleability, and shininess
ductility, conductivity, and malleability
Answer: malleability and ductility
Explanation:-
Malleability is the property of metals to be beaten into sheets. Ductility is the property of metals to be drawn into wires.The delocalized sea of electrons enable the metal atoms to roll over each other when stress is applied and thus they can be converted to sheets or wires.
Shininess of metals is because electrons on the surface can bounce back light at the same frequency as the light hits the surface.
When a wire is connected to a metal, the delocalized electrons are drawn to the positive pole and thus helps in the conduction of electricity.
The metallic properties that are caused by atoms rolling over each other in metallic bonds are malleability and ductility.the atoms that are being rolled over are delocalized electrons in the sea of electrons in the metallic bond enable them to roll over when stress is applied.
A) Pentanoid acid
B) Pentanal
C) Pentan-2-one
D) Propanoic acid and ethanoic acid
Answer:
C) Pentan-2-one
Explanation:
The product of the reaction of pentan-2-ol with acidified potassium dichromate is pentan-2-one.
Pentan-2-ol is a secondary alcohol, and secondary alcohols are oxidized to ketones by acidified potassium dichromate. The reaction is as follows:
CH3CH(OH)CH3 + K2Cr2O7 + H2SO4 → CH3COCH3 + Cr2(SO4)3 + K2SO4 + H2O
Propanoic and ethanoic acids are not products of this reaction.
Therefore, the answer is (C).
bardAI
B. 2CuS + 302 –>2CuO + 2SO2
C. S8 + 802 —> 8SO2
D. C3H8 + 5O2 —> 3CO2 + 4H2O
Answer:
A.
Explanation:
(2) the atmospheric pressure decreases
(3) there is a catalyst present
(4) there are effective collisions between the particles