Advertisements
Advertisements
Question
Which of the following ions will have a magnetic moment value of 1.73 BM.
\[\ce{Sc^3+, Ti^3+, Ti^2+, Cu^2+, Zn^2+}\]
Advertisements
Solution
Both `"Ti"^(3+) and "Cu"^(2+)` have 1 unpaired electron, so the magnetic moment for both will be 1.73 BM.
APPEARS IN
RELATED QUESTIONS
Complete the following equation:
\[\ce{2MnO4- + 6H+ + 5NO2- ->}\]
Complete the following equations : MnO4- + 4H+ + 3e- →
Complete the following equation : MnO4- + 8H+ + 5e- →
Account for the following :
Manganese shows maximum number of oxidation states in 3d series.
Answer the following question.
When MnO2 is fused with KOH in the presence of KNO3 as an oxidizing agent, it gives a dark green compound (A). Compound (A) disproportionates in an acidic solution to give a purple compound (B). An alkaline solution of compound (B) oxidizes KI to compound (C) whereas an acidified solution of compound (B) oxidizes KI to (D). Identify (A), (B), (C), and (D).
Zinc carbonate is precipitated from zinc sulphate solution by the addition of ___________.
When \[\ce{Cu^2+}\] ion is treated with \[\ce{KI}\], a white precipitate is formed. Explain the reaction with the help of chemical equation.
Why \[\ce{HCl}\] should not be used for potassium permanganate titrations?
What is the effect of pH on dichromate ion solution?
Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chromite ore.
