d and f block elements McQs

1.	Transition metals elements make alloys with; a..S block elements b..P block elements c..F block elements d..All of these	D
2.	There are two irregularities at3rd period atomic configurator, one is atomic number 24 and other is atomic number a..22 b..23 c..29 d..30	C
3.	Binding energy increase upto GVII and then decreases, in 3rd period it increases upto a..Scandium b..Titanium c..Vanadium d..Chromium	C
4.	Catalyst used in oxidation of ethanol to acetaldehyde is; a..Iron b..Vanadium oxide c..Titanium chloride d..Copper	D
5.	Substances which have unaired electrons a..Paramagnetic b..Diamagnetic c..Ferromagnetic d..All of these	A
6.	Percentage of copper in Gold is a..20-25 b..60-80 c..75-90 d..90-95	A
7.	6-coordinated complex have shape of a..Tetrahedral and square planar b..Trignal pyramiral c..Square pyramidral d..Octahedral	D
8.	Which complex have purple colour a..Sc+3 b..Ti+3 c..Ti+4 d..Cr+3	B
9.	Vanadium has colourless in its oxidation state of a..+5 b..+4 c..+3 d..+2	A
10.	Nature rank and specific gravity of Chromium is a..7.0 and 20 b..7.2 and 21 c..7.4 and 12 d..Non of these	B
11.	Stable state of Chromium and manganese is a..+2 and +2 b..+2 and +3 c..+3 and +2 d..+3 and +3	C
12.	Chromium has covalent compounds, where its oxidation state will be a..+2 b..+3 c..+6 d..All of these	C
13.	Chromate dichromate equilibrium will give more orange colour if we add a..Acid to it b..Base to it c..Amphoteric to it d,,All of these	A
14.	Which one of the following are not oxidized by potassium dichromate a..Primary alcohol b..Secondary alcohol c..Tertiary alcohol d..All of these	C
15.	Cr2O7-2 and Fe+2 react in ratio of a..1:2 b..1:3 c..1:6 d..1:9	C
16.	Which one of the following is used to find the unknown concentration of Fe+3 a..Potassium dichromate b..Potassium manganite c..Thiocyanate d..Non of these	C
17.	Under acidic condition, the manganite VII ions are reduced to a..Manganate II b..Manganate VI → dark green c..Manganate IV → Dark brown d..Manganate III	A
18.	Potassium dichromate and potassium mangnate VII are a..Strong oxidizing agent b..Strong reducing agent c..Weak acid d..Weak base	A
19.	The percentage of Carbon in pig iron is a..0.1-0.25 b..0.1-0.25 c..2-3 d..Non of these	C
20.	The ions used in the reaction of persulphate and iodide ions is  that of a..Scandium b..Titanium c..Iron d..cobalt	C
21.	Hexa aqua iron II does not react with a..Water b..OH c..Ammonia d..Acid	B
22.	Fe(H2O)4(OH)2 has colour of a..Orange b..Brown c..White d..Yellow	A
23.	Copper  is more stable at moderate temperatures and aqueous solution and also colourless and coloured  in state of a..+1 and +1 b..+1 and +2 c..+2 and +1 d..+2 and +2	B
24.	Copper has diamagnetic compound and there its oxidation state is a..+1 b..+2 c..+1 and +2	A
25.	Cooper is paramagnetic Cu (H2O)4(OH)2 has a..Blue ppt b.. Black ppt c..Blue solution d..Black solutiom	A
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