1.

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

Answer»

be neutral
be basic
turn phenolphthaleinsolution pink
turn METHYL orange red

SOLUTION :20 ml of 0.5 N HCl contain `20xx0.5` milli eq. = 10milli eq. of HCl . 15 ml of 0.1 N NAOH 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.
Hence, solution will be ACIDIC and it will turn methyl orange red.


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