1.

20 ml of 0.5 N HCl and 35 ml of 0.1 N NaOH are mixed . The resulting solution will

Answer» <html><body><p>be neutral<br/>be basic<br/>turn phenolphthaleinsolution pink<br/> turn <a href="https://interviewquestions.tuteehub.com/tag/methyl-1095247" style="font-weight:bold;" target="_blank" title="Click to know more about METHYL">METHYL</a> orange red</p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :20 ml of 0.5 N HCl contain `20xx0.5` milli eq. = 10milli eq. of HCl . 15 ml of 0.1 N <a href="https://interviewquestions.tuteehub.com/tag/naoh-572531" style="font-weight:bold;" target="_blank" title="Click to know more about NAOH">NAOH</a> contains `35xx0.1` milli eq = 3.5 milli eq of NaOH . Thus, 3.5 milli eq of NaOH willnutralize 3.5 milli eq ofHCl. (10-35)= 6.5milli eq ofHCl will be left.<br/> Hence, solution will be <a href="https://interviewquestions.tuteehub.com/tag/acidic-847601" style="font-weight:bold;" target="_blank" title="Click to know more about ACIDIC">ACIDIC</a> and it will turn methyl orange red.</body></html>


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