A few solutions were tested with different indicators and results were noted down in the given table.

Study the given table carefully and fill in the blanks by choosing an appropriate option.
Solution(s) `ul((i))` will have no effect on blue litmus paper while solution(s) `ul((ii))` will turn blue litmus red. Phenolphthalein remains colourless in solution(s) `ul((iii))` while it changes to pink colour in solution(s) `ul((iv))`.

Options

A. i- X,Y ii-V iii- W,Z iv-Z
B. i- X,Y,Z ii-V,W iii- V,W,X,Z iv-Y
C. i- V,W,X,Z ii-V,W iii- Y iv-X,Y,Z
D. i- X,Y,Z ii-V,W iii- V,W iv-Y,Z

Answer

B

Explanation

Hence, solutions X, Y and Z will have no effect on blue litmus paper, solutions V and W will turn blue litmus paper red. Phenolphthalein remains colourless in solutions V, W, X and Z while it changes to pink in solution Y.