Evaluacion General 3 Periodo

The correct answer is "Um compuesto" because the particles represented in the diagram are shown to be composed of different elements combined together. This suggests that they form a compound, which is a substance made up of two or more different elements chemically bonded together in a fixed ratio.

The correct answer is 4. The question asks which alcohols react immediately with the Lucas reagent. According to the information given, a tertiary alcohol reacts immediately, while a secondary alcohol takes 5 to 10 minutes, and a primary alcohol takes several hours. Since alcohol number 4 is a tertiary alcohol, it will react immediately with the Lucas reagent.

The correct answer is 1s2 2s2 2p4. This is the correct electron configuration for the element P. The electron configuration represents the distribution of electrons in the different energy levels and orbitals of an atom. In this case, the electron configuration indicates that P has 15 electrons. The "1s2" represents the 2 electrons in the 1s orbital, the "2s2" represents the 2 electrons in the 2s orbital, and the "2p4" represents the 4 electrons in the 2p orbital. This configuration follows the Aufbau principle and the Pauli exclusion principle.

The correct answer is B. This is because a cyclic hydrocarbon with the formula C6H12 can only have a cyclohexane structure. Cyclohexane is a six-membered ring with all carbon atoms bonded to two hydrogen atoms. Therefore, option B is the correct choice for the structural formula of the given cyclic hydrocarbon.

The given explanation suggests that the order in which the alcohols are depleted during dehydration reactions is 2, 3, 1. This means that alcohol 2 will be consumed first, followed by alcohol 3, and finally alcohol 1. The statement mentions that tertiary alcohols are more easily dehydrated than secondary alcohols, and secondary alcohols are more easily dehydrated than primary alcohols. Therefore, alcohol 2, being a tertiary alcohol, will undergo dehydration first, followed by alcohol 3, which is a secondary alcohol, and finally alcohol 1, which is a primary alcohol.

The alcohol that is most likely to react at 8 minutes is alcohol 2. This is because the reactivity of alcohols with Lucas reagent follows the order of tertiary > secondary > primary alcohols. Since alcohol 2 is a secondary alcohol, it falls in the middle of the reactivity scale and would be expected to react within the given time frame of 5 to 10 minutes.

Isotopes are atoms of the same element but with different atomic mass. Since atomic mass is determined by the total number of protons and neutrons in an atom, and isotopes have different atomic mass, it can be inferred that isotopes have different numbers of neutrons.

The correct answer states that as the number of branches increases, the boiling point decreases. This is because branching in a molecule reduces the surface area available for intermolecular forces to act upon, leading to weaker attractions between molecules and a lower boiling point. Therefore, the statement is valid.

The question states that when two or more compounds have identical molecular formulas but different structural formulas, they are considered isomers of each other. The correct answer states that compound C is not an isomer of butanol. Therefore, compound C must have a different molecular formula or a different structural formula compared to butanol.

El metíl - 2 - butanol es una molécula orgánica que contiene un átomo de carbono de tipo cuaternario. Esto se debe a que el carbono al cual están unidos los grupos metilo (CH3) está enlazado a otros tres átomos de carbono.

The correct answer is D. 4,4- dimetil- 2- penteno because the compound has two methyl groups (dimethyl) attached to the fourth carbon atom (4) of the pentene chain. The name also indicates that the compound is an alkene (ending in -eno) and that the double bond is located at the second carbon atom (2) of the pentene chain.

The answer is 3 and 4 because unsaturated compounds are those that contain double or triple bonds between carbon atoms. The formulas that represent unsaturated compounds are those that have double or triple bonds in their structure. Therefore, options 3 and 4 are the correct answers as they represent unsaturated compounds.

Based on the information given in the table, it can be inferred that the filtrate contains a mixture of substances M and S.

The explanation for the correct answer is that ether and carbon tetrachloride are both non-polar solvents. According to the information given, non-polar solvents dissolve non-polar substances. Therefore, it is likely that a solution will form when ether and carbon tetrachloride are mixed.

Based on the given figure, it can be observed that the orbitals of the two carbon atoms are overlapping, indicating the formation of a double bond. This suggests that the organic compound is likely to be an alkene (option d), as alkene compounds contain a carbon-carbon double bond.

The correct answer is 23 y 11. The atomic mass of an element represents the average mass of all the isotopes of that element, taking into account their relative abundance. The atomic number, on the other hand, represents the number of protons in the nucleus of an atom of that element. In this case, the element M has an atomic mass of 23 and an atomic number of 11.

The correct answer is D because when an alkene is halogenated, the double bond is broken and the halogen is added to the carbon atoms. In this case, bromine is added to the alkene, resulting in the formation of a bromoalkane. Option D shows the correct representation of this process by illustrating the addition of bromine to the alkene.

The correct answer is "Los átomos de hidrógeno están ubicados en sentido opuesto." This is because the representation shows the hydrogen atoms positioned on the same side of the oxygen atom, which is incorrect. In reality, the hydrogen atoms in a water molecule are located on opposite sides of the oxygen atom, forming a bent or V-shape geometry.

Given the information provided, it is stated that condensation is the change of state from a gaseous form to a liquid form. The opposite process of condensation is vaporization. However, if the change of state occurs directly from a gaseous form to a solid form, it is called reverse sublimation. In the given situation, it is mentioned that the pressure is decreasing on the liquid X. Based on this information, it is possible for the liquid X to evaporate, as a decrease in pressure can cause a substance to change from a liquid to a gaseous state.

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The electron configuration of the ion P after receiving electrons from atom M is 1s2 2s2 2p6. This means that the ion P has gained two electrons in the 2p orbital, filling it completely with 6 electrons. The other orbitals, 1s and 2s, remain unchanged.

The formula M2 P is the most probable for a molecule between M and P because it suggests that there are two atoms of M and one atom of P in the molecule. This formula follows the general rule of combining atoms in a molecule, where the subscript number indicates the number of atoms present.

Based on the information given, if toluene is used instead of water in the separation procedure, it is highly likely that only solid T will be obtained.

Based on the given information about the physical and chemical properties of the substances, it is valid to affirm that solid 3 is M.

According to the law of conservation of matter, the total mass of the reactants must be equal to the total mass of the products in a chemical reaction. This means that the mass of the reactants is equal to the mass of the products. Therefore, the correct answer is "La masa de reactivos es igual que la masa del producto" (The mass of the reactants is equal to the mass of the product).