29Qn.6 option B is right coz the ligand is CN- and not (CN)6-
Qn.8 Hybridisation = no. of bond pairs + no. of lone pairs
1. If an electrolytic solution is diluted to 9 times then its conductance
a) Inc. 9 times b) Dec. 9 times c) Remains same d) none
2. 4 M + 8 CN^– + 2H2O + O2 → 4 [M(CN)2 + 4OH– the metal M is
(A) Ag (B) Fe (C) Cu (D) Zn
3. The number of structural isomers of C3H5Cl3 is
a) 2 b)3 c) 4 d) 5
4. Coordination number of sodium ion Na+ in NaCl is
a) 4 b) 3 c) 6 d) 5
5. Which one of the following metal ions is diamagnetic
(A) Ca3+ (B) V3+
(C) Ti3+ (D) Sc3+
6. The ligand in potassium ferrocyanide is
(A) K+ (B) CN^– (C) Fe^3+ (D) (CN)6^–
7. In reaction A→B, the rate of reaction increases two times on increasing concentration of reactant four times,the order of reaction is
a) 0 b) 2 c) 1/2 d) 4
8. Which of the following hybrid state of N in R2NH
(A) sp3 (B) sp2 (C) sp (D) dsp2
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UP 0 DOWN 0 1 9
9 Answers
29Ans 8 --A (three bond pairs and one lone pair)
Ans 7-- C Rate α [A]β where β is the order of reaction...
Ans 6 -- B
Ans 5 --D
Ans 4 --C
Ans 3-- D
Ans 2 -- A
1in q. 6 i am confused... is it b or d?? and what about 1?? it will decrease na??
In Q. 8 .. lone pair will also be counted?
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