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what is the oxidation state of N in \lbrack Fe(H_2O)_{5 }NO\rbrack SO_4

Which is the most likely product of bromination of 4-methylpent-2-ene with NBS and initiation by photolysis of a peroxide?

Why adding of salt to dal before cooking helps in faster cooking ?

What is the change in oxidation number of carbon in the following reaction?CH4(g)+4Cl2(g)→CCl4(l)+4HCl(g)

Which is most stable - Pyrole , Thiophene , Furane ? (With proper explanation)

If there were 10 periods in the periodic tablehow many elements would this period can maximcomprise of(1) 50(2) 32() 72(4) 98

c2h5 - c00 - c3h7 when reacted with DIBAL - H , followed by treatment with water , then which ketones are formed ? Whch ketones are formed when c2h5 - c00 - Ph reacts with the same ?

23.) In a set of reactions m-Bromobenzoic acid gave aproduct D. Identify the product DNaOHBrsociNH.BrAIPMT (Prelims)-2011ONHSO,NHBrNH

The no. Of isomeric alkenes(C6H12) which all give n-hexane on hydrogenation in presence of metal catalyst

A solid sphere of iron at 2 degree celsius is lying at the bottom of a bucket full of water at 2 degree celsius . If temp. Of water is increased to 3 degree celsiuis . The buoyant force on sphere due to water will 1.increase2.decrease3. Unchanged4.none

20. A fully charged capacitor C with initial charge o isonnected to a coil of self-inductance L at t = 0, Thetime at which the energy is stored equally between theelectric and magnetic fields is:(A) 1.C(B) VIC4(C) 2AVIC

1. No of sp2 hybridised B in anhydrous borax

A small amount of ethyl alcohol is added to brine solution in the Nelson’s Cell is closed and electrolyzed. The final organic product formed is.

which of the following does not react with AgCl (a)Na2S2O3 (b)NH4OH (c)NaNO3 (d)Na2CO

The complex which reacts most readily with sodium isOptions:Ni(CO)4Fe(CO)5Cr(CO)6Should have chosen V(CO)6

Two samples of water A and B have pH values of 4.4 and 6.4 respectively. How many times more acidic sample A is than sample B?

Name the processes fromwhich chlorine is obtained as a by-product. Whatwill happen if anaqueous solution of NaCl is subjected to electrolysis?

What is the ratio of time periods in the second orbit of the hydrogen atom (TH) to the fourth orbit of He+ ion (THe)?

Which of the following represents the composition of carnalite mineral?

The most commonly used reducing agent among the following is

10. 1,1 dimethyl cyclopentane and 1,2 dimethyl cyclopentane Are they chain isomers?

27. The shape of orbital represented by psi 521

An aqueous solution containing 288 g of a non-volatile compound having the stoichimetric composition CxH2xOx in 90 g water boils at 101.24∘C at one atmospheric pressure. What is the molecular formula of the compound?Kb(H2O)=0.512Kmol−1kg,Tb(H2O)=100∘C

Metal Reactivity series is based on:

what is the sequence of shell , subshell, orbitals , orbits , electrons ?

If WHITE is code as FUHXI, then the code forRIGHT will be(1) UIHSJ(3) UIFSK(2) UGFS.J(4)) UIFSJ

Calculate the rms speed of O2 at 273 K and at a pressure of 2×104 Pa .The density of O2 under these conditions is 1.50 kg m−3.

If the no. density of any molicule of an ideal gasbecomes 4 times then what is the free path

A member of the hydrocarbon family gives 3 moles of CO2 and 4 moles of H2O per mole of the compound on combustion. What is the formula of the compound?

29. A first order reaction 50% completes within 20 minutes then, how much time is required for complete the reaction?

The compound given is a/an

The number of molecules in 100 ml of 0.02 N H2SO4 is

Comparethe structures of H2Oand H2O2.

Which of the following is not a meta directing group?

ntPbo2 gives Pbo G298 LESS THAN ZEROn ntSno2 gives Sno G298 GREATER THAN ZEROn ntMOST PROBABLE O.S OF Pb and Znn nt1-Pb4+ Sn4+n nt2-Pb2+ Sn2+n nt3-Pb2+ Sn4+n nt4-Pb2+ Sn4+n

In a cylinder their are 60 g Ne and 64 g O. Ifpressure of mixture of gases in cylinder is 30bar then in this cylinder partial pressure of Ois (in bar)(a) 30(b) 20(c) 15(d) 1:2

Trend of electron affinity in period 2 of periodic table with explanation

Chemical reaction of bayer process and hall process

39. How many copper atoms are present in 13.05g of copper?

During the adsorption of reactant molecules on a catalyst surface:

ntTHE COMPOSITION OF THE SAMPLE WUSTITE IS Fe 0.93 O . WHAT PERCENTAGE OF IRON IS PRESENT IN THE FORM OF Fe+3n

An alkene on ozonolysis gives ethanal as one of the product. Its structure is:

A first order reaction is 10%complete in 10minutes. Then the time to take 50%completion i

how molecular orbitals are formed by addition and subtraction overlap

The equilibrium constant at 25∘ C for the reaction Fe2++Ag+⇌Fe3++Ag is: Given E0Ag+/Ag=0.7998 V and E0Fe3+/Fe2+=0.771 V, log 2 =0.30, log 3 = 0.48, 2.303RTF=0.06

The product formed by the reaction of an aldehyde with a primary amine is

Explain the characteristics of carbon that enable it to form a large number of compounds.

Predict the product of the given schmidt rearrangement.

Adsorption of a gas follows Freundlich adsorption isotherm x is the mass of the gas adsorbed on mass m of the adsorbentThe plot of log(xm) vs logP is shown,From the graph above, (xm) is proportional to: