Choose the incorrect statement(s) about transition elements(I) The lower oxidation states usually form covalent compounds(II) The higher oxidation states usually form basic metal oxides(III) Transition metal ions are good Lewis acids(IV) The transition metal center supplies one or more pairs of electrons that form coordinate covalent bonds in coordination compounds

According to valence bond theory, what would be the set of hybrid orbitals used in the complex ion [Ni(CN)4]2‒ ?

Which of these ligands can participate in linkage isomerism?   I. NO2−   II. NO3−    III. SCN−

A galvanic cell has the overall reaction: 2 Fe(NO3)2(aq) + Pb(NO3)2(aq) → 2 Fe(NO3)3(aq) + Pb(s) Identify is the half reaction that occurs at the cathode?

(a) Find the equation of the plane which contains the three points (1,2,5), (2, -1, 3) (3, 1, 7).  (b) Determine the distance between the point (1,-2,5) and the plane in part (a)

For the curve expressed in parametric equations

Find the point on the curve at which the curvature is a maximum and find the limit of the curvature as

Answer. Picture36.jpg

Answer. Picture18.jpg

Answer. Picture10.jpg