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Chemistry: Post your doubts here!

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How could it be C. The OH will combine with the H beside it to get removed as H20 and leave a double bond behind. In C the double bond formed is 2 carbons away from the position of OH. So the OH Could never reach the Hydrogen on that carbon 2 places away from it. In D the OH combines with the H on the Carbon right next to it ( they just showed a rotation in the figure in D to confuse you) I hope you understood what i mean
 
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why is A correct?:(
Single Unit:
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Cl2+2NaOH-->NaCl+NaClO+H2O
Number of moles=Mass(g)/Molar Mass(g/mol), rearrange to get the mass as the subject of the formula. According to the chemical equation, all of the products are 1:1 to Cl2 in terms of mole ratio. Calculate the Mass of each product by calculating the Mr of each of the products using the help from the periodic table and use the 0.125 mol.
 
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