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blsea [12.9K]
3 years ago
14

Name the following compounds:

Chemistry
2 answers:
lord [1]3 years ago
7 0

Answer :

(a) The name for NaF is sodium fluoride.

(b) The name for Rb_2O is rubidium oxide.

(c) The name for BCl_3 is boron trichloride.

(d) The name for H_2Se is dihydrogen selenide.

(e) The name for P_4O_6 is tetraphosphorous hexaoxide.

(f) The name for ICl_3 is iodine trichloride.

Explanation :

The nomenclature of covalent compound is given by:

1. The less electronegative element is written first.

2. The more electronegative element is written then, and a suffix is added with it. The suffix added is '-ide'.

3. If atoms of an element is greater than 1, then prefixes are added which are 'mono' for 1 atom, 'di' for 2 atoms, 'tri' for 3 atoms and so on..

The nomenclature of ionic compounds is given by:

1. Positive ion is written first.

2. The negative ion is written next and a suffix is added at the end of the negative ion. The suffix written is '-ide'.

3. In case of transition metals, the oxidation state are written in roman numerals in bracket in front of positive ions.

(a) NaF is an ionic compound because sodium element is a metal and fluorine element is a non-metal. The bond formed between a metal and a non-metal is always ionic in nature.

So, the name for NaF is sodium fluoride.

(b) Rb_2O is an ionic compound because rubidium element is a metal and oxygen element is a non-metal. The bond formed between a metal and a non-metal is always ionic in nature.

So, the name for Rb_2O is rubidium oxide.

(c) BCl_3 is a covalent compound because boron and chlorine element is a non-metal. The bond formed between the non-metal is always covalent in nature.

So, the name for BCl_3 is boron trichloride.

(d) H_2Se is a covalent compound because hydrogen and selenium element is a non-metal. The bond formed between the non-metal is always covalent in nature.

So, the name for H_2Se is dihydrogen selenide.

(e) P_4O_6 is a covalent compound because phosphorous and oxygen element is a non-metal. The bond formed between the non-metal is always covalent in nature.

So, the name for P_4O_6 is tetraphosphorous hexaoxide.

(f) ICl_3 is a covalent compound because iodine and chlorine element is a non-metal. The bond formed between the non-metal is always covalent in nature.

So, the name for ICl_3 is iodine trichloride.

timama [110]3 years ago
6 0
A) sodium fluoride
B) rubidium oxide
C) boron trichloride
D) dihydrogen selenide
E) tetraphosphate hexoxide
F) iodine trichloride
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Solution : Given,

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Mass of H_2 = 100 kg = 100000 g

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Molar mass of H_2 = 2 g/mole

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First we have to calculate the moles of N_2 and H_2.

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\text{ Mass of }NH_3=\text{ Moles of }NH_3\times \text{ Molar mass of }NH_3

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Answer:

K = Ka/Kb

Explanation:

P(s) + (3/2) Cl₂(g) <-------> PCl₃(g) K = ?

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Since [PCl₅] = [PCl₅]

From the Ka equation,

[PCl₅] = Ka ([P] [Cl₂]⁽⁵'²⁾)

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Equating them

Ka ([P] [Cl₂]⁽⁵'²⁾) = Kb ([PCl₃] [Cl₂])

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