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Strength of Acids and Bases

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Question

You are provided with the following chemicals: $N a O H, N a_{2} C O_{3}, H_{2} O, Z n (O H)_{2}, C O_{2}, H C l, F e, H_{2} S O_{4}, C l_{2}, Z n$ Using suitable chemicals from the given list only, state briefly how you would prepare: (c) Sodium zincate

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Solution

Sodium zincate can be prepared by the action of metals with an alkali like sodium hydroxide. That is, $Z n + 2 N a O H \to N a_{2} Z n O_{2} + H_{2}$

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Similar questions

You are provided with the following chemicals :

NaOH, $N a_{2} C O_{3}, H_{2} O, Z n (O H)_{2}, C O_{2}, H C I, F e, H_{2}, S O_{4}, C I_{2}, Z n .$

Using the suitable chemicals from the given list only, state briefly how you would prepare :

(a) iron (III) chloride, (b) sodium sulphate,

(e) sodium chloride ?

C l_{2}

H C l

H C l

C l_{2}

How can you prepare $C l_{2}$ from HCl and HCl from $C l_{2}$ ? Write equation only.

Complete and balance the following reactions.

(a) $N a + H_{2} O \to$ _________ + _________

(b) $C a + H_{2} O \to$ __________+_________

(d) $Z n + H_{2} O \to$ ___________+_________

(e) $F e + H_{2} O \to$ ____________+_________

(f) $Z n + H C l \to$ _____________+__________

(g) $A l + H_{2} S O_{4} \to$ __________+_________

(h) $F e + H C l \to$ ___________+____________

(i) $Z n + N a O H \to$ __________+____________

(j) $A l + K O H + H_{2} O$ _________+____________

N a O H, N a_{2} C O_{3}, H_{2} O, Z n (O H)_{2}, C O_{2}, H C l, F e, H_{2} S O_{4}, C l_{2}, Z n

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