- IUPAC name of [Pt(NH3)2Cl(NO2)] is (PPSC 2017)?
a) Platinum diamminechloronitrite
b) Chloronitrito-N-ammineplatinum (II)
c) Diamminechloridonitrito-N-platinum (II)
d) Diamminechloronitrito-N-plantinate (II) - The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where (en) is ethylenediamine) is?
a) 9
b) 6
c) 7
d) 8 - The type of isomerism shown by the complex [CoCl2(en)2] is?
a) Geometrical isomerism
b) Coordination isomerism
c) Linkage isomerism
d) Ionization isomerism - Which of the following is paramagnetic?
a) [CoBr]42-
b) Mo(Co)6
c) [Pt(en)Cl2]
d) [Co(NH3)6]3+ - How many unpaired electrons are present in [CoF6]3- complex?
a) 4
b) zero
c) 2
d) 3 - ISDN Stands for?
a) Integrated services digital network
b) international services of digital network
c) integrated services of digital knot
d) none of these - Shift + Ins used for?
a) copy
b) paste
c) cut
d) none of these - WINKEY +M used for?
a) minimize all windows
b) maximize all windows
c) Open the run window
d) none of these - PID Stands for?
a) personal identification number
b) parent identification number
c) product identification detection
d) none of these - IM Includes?
a) Google Talk
b) Skype
c) Yahoo
d) All of these
31- Which one can form complex ?
a) Na
b) Cr
c) Li
d) K
32- Which one of the following is not an alkali metal ?
a) Francium
b) Caesium
c) Rubidium
d) Radium
33- Li is different from its family members due to____________________?
a) small size
b) high charge density
c) less electropositivity
d) all of the above
34- Which one is least ionic in nature and decompose on heating ?
a) LiOH
b) NaOH
c) KOH
d) CsOH
35- Which ion will have maximum value of heat of hydration ?
a) A1+3
b) Cs+
c) Ba+
d) Mg+2
