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Chapter 11: Problem 6

Complete the following reactions: (a) \(\mathrm{Be}_{2} \mathrm{C}+\mathrm{H}_{2} \mathrm{O} \longrightarrow\) (c) \(\mathrm{Mg}_{2} \mathrm{C}_{3}+\mathrm{H}_{2} \mathrm{O} \longrightarrow\) (d) \(\mathrm{Al}_{2} \mathrm{O}_{3}+\mathrm{NaOH} \longrightarrow\) (e) \(\mathrm{BeCl}_{2}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OC}_{2} \mathrm{H}_{5} \longrightarrow\)

Short Answer

Expert verified
The complete reactions are: (a) \(\mathrm{Be}_{2}\mathrm{C} + \mathrm{H}_{2} \mathrm{O} \longrightarrow 2 \mathrm{Be(OH)}_{2} + \mathrm{CH}_{4}\), (b) \(\mathrm{Mg}_{2}\mathrm{C}_{3} + 4 \mathrm{H}_{2} \mathrm{O} \longrightarrow 2 \mathrm{Mg(OH)}_{2} + \mathrm{C}_{2}\mathrm{H}_{2}\), (c) \(\mathrm{Al}_{2} \mathrm{O}_{3} + 2 \mathrm{NaOH} \longrightarrow 2 \mathrm{NaAlO}_{2} + \mathrm{H}_{2} \mathrm{O}\), (d) \(\mathrm{BeCl}_{2} + \mathrm{C}_{2}\mathrm{H}_{5}\mathrm{OC}_{2}\mathrm{H}_{5} \longrightarrow \mathrm{BeCl}_{2}\cdot (\mathrm{O \ C_{2} H_{5})_{2}\).

Step by step solution

01

Complete the reaction of \(\mathrm{Be}_{2}\mathrm{C}+\mathrm{H}_{2} \mathrm{O}\)

Beryllium carbide \(\mathrm{Be}_{2} \mathrm{C}\) reacts with water to form Beryllium hydroxide and Methane. The balanced reaction is written as: \( \mathrm{Be}_{2}\mathrm{C} + \mathrm{H}_{2} \mathrm{O} \longrightarrow 2 \mathrm{Be(OH)}_{2} + \mathrm{CH}_{4}\)
02

Complete the reaction of \(\mathrm{Mg}_{2}\mathrm{C}_{3}+\mathrm{H}_{2} \mathrm{O}\)

Magnesium carbide \(\mathrm{Mg}_{2}\mathrm{C}_{3}\) reacts with water to form Magnesium hydroxide and Acetylene. The balanced reaction is: \(\mathrm{Mg}_{2}\mathrm{C}_{3} + 4 \mathrm{H}_{2} \mathrm{O} \longrightarrow 2 \mathrm{Mg(OH)}_{2} + \mathrm{C}_{2}\mathrm{H}_{2}\)
03

Complete the reaction of \(\mathrm{Al}_{2} \mathrm{O}_{3}+\mathrm{NaOH}\)

Aluminium oxide \(\mathrm{Al}_{2} \mathrm{O}_{3}\) reacts with Sodium hydroxide to form Sodium aluminate. The balanced equation is: \(\mathrm{Al}_{2} \mathrm{O}_{3} + 2 \mathrm{NaOH} \longrightarrow 2 \mathrm{NaAlO}_{2} + \mathrm{H}_{2} \mathrm{O}\)
04

Complete the reaction of \(\mathrm{BeCl}_{2}+\mathrm{C}_{2}\mathrm{H}_{5}\mathrm{OC}_{2}\mathrm{H}_{5}\)

Beryllium chloride \(\mathrm{BeCl}_{2}\) reacts with Diethyl ether \(\mathrm{C}_{2}\mathrm{H}_{5}\mathrm{OC}_{2}\mathrm{H}_{5}\) to form a complex compound. The reaction results in the formation of a coordination complex with the formula \(\mathrm{BeCl}_{2}\cdot \mathrm{(O \ C_{2} H_{5})_{2}}\), the balanced equation is: \(\mathrm{BeCl}_{2} + \mathrm{C}_{2}\mathrm{H}_{5}\mathrm{OC}_{2}\mathrm{H}_{5} \longrightarrow \mathrm{BeCl}_{2}\cdot (\mathrm{O \ C_{2} H_{5})_{2}\)

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Most popular questions from this chapter

Alkaline earth metals should exist as \(\mathrm{M}^{+}\) due to higher IE but they exist as \(\mathrm{M}^{2^{+}}\) ions. Explain.

Explain the following: (a) \(\mathrm{Be}(\mathrm{OH})_{2}\) is insoluble and \(\mathrm{Ba}(\mathrm{OH})_{2}\) is soluble. (b) Be and Mg do not impart colours to the flame. (c) First IE of \(\mathrm{Mg}\) is more than that of Na but second \(\mathrm{IE}\) of \(\mathrm{Mg}\) is less than that of Na.

Give reasons for the following: (a) Be does not react with water. (b) Be halides are polymeric. (c) Lime water turns milky on passing \(\mathrm{CO}_{2}\), through it but becomes clear when excess of \(\mathrm{CO}_{2}\) is passed.

Discuss the preparation, properties and uses, if any, of the following compounds. (a) Basic beryllium acetate (b) Nitrolim (c) Lithopone (d) Epsom salt

Discuss the process of setting of cement.
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