Friday
April 18, 2014

Homework Help: chemistry

Posted by chem help on Sunday, May 2, 2010 at 4:13pm.

In the chemical plating experiment zinc powder is dissolved in a hot NaOH solution to form
sodium zincate according to the following reacton:
Zn(s) + 2NaOH(aq) Na2ZnO2(aq) + H2(g)
Answer true or false for each of the following statements regarding the reaction above.

Zn(s) is reduced to form Zn+.

A. true
B. false

Na+ is oxidized to form Na2+.

A. true
B. false

Zn(s) is oxidized to form Zn2+.

A. true
B. false

For every mole of Zn(s), two moles of sodium hydroxide are used .

A. true
B. false

I think the answers are
1. True
2. False
3. false
4. True

Can you check if these are right please?
thank you

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry multiple choice - During today’s experiment we will produce hydrogen ...
Chemistry - Zinc reacts with hydrochloric acid according to the reaction ...
chemistry - Zinc reacts with hydrochloric acid according to the reaction ...
science(Chemistry) - Calculate the concentration of the NaOH solution. If 30,...
Chemistry - Zinc reacts with hydrochloric acid according to the reaction ...
chemistry - Zinc dissolves in acid according to the balanced equation. Zn(s)+ 2H...
Help --->Chemistry - 1) Complete and balance the following chemical reactins...
chem - Zinc dissolves in acid according to the balanced equation. Zn(s)+ 2H(aq...
chem - Zinc dissolves in acid according to the balanced equation. Zn(s)+ 2H(aq...
Chemistry - Zinc metal reacts with hydrochloric acid according to the following ...

Search
Members