NEET Solved Paper 2019 Question 24
Question: Which mixture of the solution will lead to the formation of negatively charged colloidal $ [AgI]{I^{}} $ [NEET 5-5-2019]
Options:
A) $ 50mLof2MAgNO _3+50mLof1.5MKI $
B) $ 50mLof0.1MAgNO _3+50mLof0.1MKI $
C) $ 50mLof1MAgNO _3+50mLof1.5MKI $
D) $ 50mLofMAgNO _3+50mLof2MKI $
Show Answer
Answer:
Correct Answer: C
Solution:
$ AgNO _3+KI\to AgI+KNO _3 $ for $ {{[AgI]}^{I}} $ colloidal KI must be in excels [a], [b]
both correct 50 me $ ~AgNO _3+50 $ me 1.5 m KI 50 ml $ ~AgNO _3+50 $ ml 2 m KI
