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Chemistry: Post your doubts here!

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upload_2015-6-7_14-18-18-png.54744

I know why only 2 and 3 are correct but i want to know where will the Ca join on?
Like Na joins the COO- , where will Ca join since it requires -2 charge to join??
I think it doesnt join it forms an ionic bond like electron transfer and thats all.
 
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why is C wrong?? help plss
I do get 3 alkenes with it :s
 

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Help please........ qwertypoiu can you please explain me this question, like why cant the Answer be C? is there anything else behind the unbalanced part ... as i have even asked this question before but didnt get a good response ..

Which of these equations represents the reaction of sulphur dioxide with an excess of aqueous

sodium hydroxide?

A SO2 + NaOH ----> NaHSO3

B SO2 + 2NaOH -------> Na2SO3 + H2O

C SO2 + 2NaOH ------> Na2SO4 + H2O

D SO2 + 2NaOH -----> Na2SO4 + H2
 
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Help please........ qwertypoiu can you please explain me this question, like why cant the Answer be C? is there anything else behind the unbalanced part ... as i have even asked this question before but didnt get a good response ..

Which of these equations represents the reaction of sulphur dioxide with an excess of aqueous

sodium hydroxide?

A SO2 + NaOH ----> NaHSO3

B SO2 + 2NaOH -------> Na2SO3 + H2O

C SO2 + 2NaOH ------> Na2SO4 + H2O

D SO2 + 2NaOH -----> Na2SO4 + H2

no shaz
SO3 + NaOH -----> Na2SO4 not when SO2 rects wid NaOH
check notes buddy :p
 
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