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MCQ on complexometric titrations: Page-2

The masking agent for mercury is
ammonium fluoride

(A) P

(B) Q

(C) R

(D) S

According to Werner’s co-ordination number, the maximum number of ligands for a metal in second period is

(A) 2

(B) 4

(C) 6

(D) 8

Complexing agents form

(A) Water soluble complexes

(B) Water insoluble complexes

(C) Both A and B

(D) Precipitates

Dimethylglyoxime, salicyl aldoxime are water insoluble

Which of the following act as chelating agents?
monodentate

(A) Q,S

(B) P,Q,R

(C) Q,R,S

(D) S only

Ethylene diamine is a

(A) Monodentate

(B) Bidentate

(C) Tetradentate

(D) Hexadentate