Recently Active Chemistry Questions

Decomposition of H2O2 is slowed down by addition of which compound ? ...

What does hydrolysis of NCl3 indicate ? ...

What is the percentage p-character in the orbitals forming P-P bond in P4 ? ...

25 ml of a gaseous hydrocarbon having the same rate of diffusion as nitrogen,and methane effuse through a hole in 173 min,while the same volume of nitrogen effuses in 200 min under the same conditions calculate the contractio ...

A gas in an open container is heated from 27°C to 127°C.The fration of the original amount of the gas remaining in the container will be: (a)3/4 (b)1/2 (c)1/4 (d)1/8 ...

what are the possiblle waysto prepare ester?????????????? ...

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Why BCl3 does not form dimer unlike AlCl3? ...

Q1 A liquid which is supercooled frequently is called ? Q2 Solublity of iodine in water is increased greatly by addition of iodide ions .Why ? Q3 AlF3 is ionic whereas AlCl3 is covalent ? ...

White P accidentally dropped on hand may be removed by washing with CuSO4.Why ? ...

The hydroxides of Al and Fe are insoluble in water but NaOH is used to separate them.Why? ...

What happens on heating sodium ferrocyanide with 50% nitric acid ? ...

Multianswer correct Q. According to Charles law (A) V is prop to 1/T at const pressure (B) ( dV/dT )P = K (C) ( dT/dV )P = K (D) [ 1/T - V/T2 ]P = 0 ...

The B-X distance is shorter than what is expected theoretically ? X=Cl,F,Br,I Is it due to back bonding ? ...

how many moles of periodate is used in oxidation of 1. glucose 2. fructose i.e. how many bond lceavages will occur????? ...

I asked this same question about 7 months back..Didnt get a reply Asking again..... In case of 2,4-dinitoalkylbenxene ,if NH4HS or Na2S is used as reducing agent,nitro group at para position is reduced ,while if SnCl2/HCl is ...

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acetone+conc. H2SO4 +uric acid=??????????? ...

Q1 which compound is most easily deformylated? a) α-keto ester b) α-keto acid c) 1,1 dicarboxylic acid d) β-keto ester Q2 which is the most effective solvent for methyl iodide with azide ion (N3-)? a) DMF b) DMSO c) -OH d) ...

a spherical balloon with a diameter of 21 cm is to be filled up with hydrogen at STP from a cylinder containg the gas at 20 atm and at 27°C. If the cylinder can hold 2.82 L of water,calculate the number of balloons that can ...

how much faraday needed to electrolyse NO2 ...

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Which is better to form epoxide, Perchlorobezoic acid or hydrogen peroxide? ...

( 9 ) Which of the following are ortho - para directing ? A ) NR2 B ) Ccl3 C ) Br D ) NHR ( 16 ) When Benzene is treated with isobutyl bromide in the presence of Alcl3 It mainly gives????????? A ) Tertiary butyl benzene B ) I ...

(1)how can i draw the structure of I3-1 ...

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formula for maltose sucrose glucose fructose ...

the pressure in a vessel that contained pure oxygen dropped from 2000 torr to 1500 torr in 55 min as the oxygen leaked through a small hole into a vacuum.when the same vessel was filled with another gas,the pressure dropped f ...

Benzene is obtained from benzene diazonium chloride by the A)Reaction with alkaline Stannous chloride B)Action of Hypophosphorous acid C)Action of ethyl alcohol GIVE MECHANISM FOR ALL THE 3 REACTIONS ??????? ...

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