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2 years ago

Which term describes the molecule shown below h-c-c-h ethyne c2h2?

Chemistry

2 answers:

dlinn [17]2 years ago

5 0

Answer:

unsaturated alkyne

Explanation:

apex

Andru [333]2 years ago

4 0

Ethyne also known as Acetylene and is the simplest Alkyne belonging to Unsaturated Hydrocarbons. It contains triple bond between two carbon atoms in a molecule. Carbon atoms in Acetylene are sp Hybridized and has a linear shape with bond angle of 180° is present between C-C-H bonds. This compound is also called as Binary Compound because it is made up of two elements i.e. Carbon and Hydrogen. The terminal Hydrogen in Acetylene is slightly Acidic in nature, and this compound can donate terminal proton to any strong base. These compounds generally give Electrophillic Addition Reactions.

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Answer:

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2 years ago

Which of the following is an example of a neutralization reaction?

Anastasy [175]

HCl (aq) + NaOH (aq)→H2O (l) + NaCl (aq)
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2 years ago

The smallest unit which maintains the physical properties of a compound is a(n) _____.

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Molecule
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2 years ago

At a certain temperature, Kc = 0.0500 and ∆H = +39.0 kJ for the reaction below, 2 MgCl2(s) + O2(g) → 2MgO(s) + Cl2(g) Calculate

Minchanka [31]

Explanation:

Since, it is shown that the reaction has been reversed. Therefore, value of $K_{c}$ will become $\frac{1}{K_{c}}$ .

Hence, new $K_{c'} = \frac{1}{K_{c}}$

= $\frac{1}{0.0500}$

= 20

Also, the number of moles of each reactant has been halved. So, $K_{c''}$ for the reaction $MgO(s) + \frac{1}{2}Cl2(g) → MgCl_{2}(s) + \frac{1}{2} O2(g)$ will also get halved.

Therefore, $K_{c''}$ = $K_{c'}$ = $(20)^{0.5}$

= 4.47

As the value of $\Delta H$ is given as +39.0 kJ. So, it means that the reaction is endothermic in nature. So, energy of reactants will be more than the products. Hence, according to Le Chatelier's principle reaction will move in the forward direction.

As a result, $K_{c}$ will also increase with increase in temperature.

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2 years ago

"M" represents a metallic element, the oxide of which has the formula M2O. The formula of the chloride of M is..................

Rus_ich [418]

The formula of the chloride of M will be MCI2.

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2 years ago