Question

7.
Phosphorus pentachloride
(A) on hydrolysis gives an oxo acid
of phosphorus which is tribasic,
(B) on hydrolysis gives an oxo acid
of phosphorus which is a good
reducing agent.
(C) has all the five equivalent bonds,
(D) exists as an ionic solid in which
cation has octahedral structure
and anion has
tetrahedral


10. Cu Cl, and Cuci, in aqueous medium
(A) CuCl2 is more stable than Cu,Cl2
(B) Stability of Cu,Cl2 is equal to
stability of CuCl2
(C) Both are unstable
(D) Cu,Cl, is more stable than CuCl2
3-

11. The co-ordination number of Fe and Co
in the complex ions, [Fe(C204)3]
and
(Co(SCN)4]-are respectively:
(A) 3 and 4
(B) 6 and 8
(C) 4 and 6
(D) 6 and 4
structure.

8.
Identify the set of paramagnetic ions
among the following:
(A) V2+, Co2+, T14+
(B) Ni2+, Cu2+, Zn24
(C) T3+, Cu2+, Mn3+
(D) Sc3+, Ti3+, 13+

12. Number of stereoisomers exhibited by
[Co(en) C12H is
(A) 4
(B) 2
(C) 5
(D) 3​

Answer 1

Answer:

YOUR ANSWERS

7) (a) On hydrolysis gives an oxo acid of phosphorus which is tribasic

10) The CuCl2 is more stable than Cu2Cl2. The size of Cu2+ is smaller than Cu+. The hydration enthalpy depends on the size of the cation. Smaller the size of cation, more will be the hydration enthalpy.