Matching the information given in the three columns of the following table. [Note: Atomic Number of Cr=24,V=23,Pt=78)] About `(CrCl_(3)(NH_(3))_(3))`

Matching the information given in the three columns of the following table. [Note: Atomic Number of Cr=24,V=23,Pt=78)] About `(CrCl_(3)(NH_(3))_(3))`
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Matching the information given in the three columns of the following table. [Note: Atomic Number of Cr=24,V=23,Pt=78)] ... (IV),(i), R D. (I),(ii),S
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`{:(,"Compounds",,"O.N."),((A),KMn^(**)O_(4),(1),+4),((B),Ni^(**)(CO)_(4),(2),+7),((C),[Pt^(**)(NH_(3))Cl_(2)]Cl_(2),(3),0),((D),Na_(2)O_(2)^(**),(4),

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IUPAC name of complex ion `[CrCl_(2)(ox)_(2)]^(3-)` is

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Identify the correct trend given below : ( Atomic no : Ti=22, Cr=24 and Mo=42)

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Compare the following complexes with respect to their shape, magnetic behaviour and the hybrid orbitals involved : (i) [CoF4]2- (ii) [Cr(H2O)2(C2O4)2]– (iii) [Ni(CO)4] (Atomic number : Co = 27, Cr = 24, Ni = 28) -Chemistry

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Which one of the following has a square planar geometry? `(Co=27, Ni=28, Fe=26, Pt=78)`

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`(NH_(4))_(2)Cr_(2)O_(7)` on heating gives a gas which is also given by :

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In a class there are 15 boys and 10 girls. Three students are selected at random. The difference between the probability that 2 boys and 1 girl are selected compared to 1 boy and 2 girls are selected is: a) 23/78 b) 19/88 c) 15/92 d) 4/23 e) 7/46

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Last Answer : 2 boys, 1 gi(Prl = (15c2×10c1) / 25c3 = 1050/2300 1 boy, 2 girls = (15c1×10c2) / 25c3 = 675/2300 Difference = (1050 - 675)/2300 = 375/2300 = 15/92 Answer: c)

Nesha scored 120 out of 150 in English, 120 out of 180 in mathematics and 160 out of 200 in Science. Find Nesha’s score as percentage: (i) in Mathematics (ii) in all the three subjects (on the whole). a) 66 2/3, 78 22/51 b) 71 23/5, 45 7/31 c) 54 13/33, 82 3/4 d) 60 3/4, 76 32/41

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Assertion :- Oxidation number of Cr in `Cr(CO)_(6)` is zero. Reason :- Cr is a metal.

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The oxidation number and co-ordination number of chromium in complex ion `[Cr(C_(2)O_(4))_(2)(H_(2)O)_(2)]^(-)` are

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Find the sum of number of geometrical isomers for following complexes. `(a) [CoCl_(2)Br_(2)]^(2-) " " (b) [Rh(en)_(3)]^(3+) " " ( c) [Cr(en)_(2)Br_(2)

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What is the atomic number of Cr ?

Description : What is the atomic number of Cr ?

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What is the value of n in the following equation : `Cr(OH)_(4)^(-)+OH^(-) rarr CrO_(4)^(2-)+H_(2)O+n e`?

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The volume (in `mL`) of `0.1M Ag NO_(3)` required for complete precipitation of chloride ions present in `30 mL` of `0.01M` solution of `[Cr(H_(2)O)_(

Description : The volume (in `mL`) of `0.1M Ag NO_(3)` required for complete precipitation of chloride ions present in `30 mL` of `0.01M` solution of `[Cr(H_(2)O)_(

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The ionisation isomer of `[Cr(H_(2)O)_(4) Cl (NO_(2))]Cl`

Description : The ionisation isomer of `[Cr(H_(2)O)_(4) Cl (NO_(2))]Cl`

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The spin only magnetic moment value ( in Bohr magneton units ) of `Cr(CO)_(6)` is :

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What is the charge on the complex `[Cr(C_(2)O_(4))_(2)(H_(2)O)_(2)]` formed by Cr(III) ?

Description : What is the charge on the complex `[Cr(C_(2)O_(4))_(2)(H_(2)O)_(2)]` formed by Cr(III) ?

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The complex `[Cr(H_(2)O)_(4)Br_(2)]Cl` gives the test for :

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What type of isomers are the following : `(i) [Mn(CO)_(5)SCN] and [Mn(CO)_(5)NCS]` `(ii) [Co(en)_(3)[Cr(CN)_(6)] and [Cr(en)_(3)][Co(CN)_(6)]` `(iii)

Description : What type of isomers are the following : `(i) [Mn(CO)_(5)SCN] and [Mn(CO)_(5)NCS]` `(ii) [Co(en)_(3)[Cr(CN)_(6)] and [Cr(en)_(3)][Co(CN)_(6)]` `(iii)

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1 g of complex `[Cr(H_(2)O)_(5)Cl]Cl_(2).H_(2)O` was passed through a cation exchanger to produce HCl. The acid liberated was diluted to 1 litre. What

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