Recently Active Chemistry Questions

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*Image* Arrange them in increasing order of stability With reasons......... ...

guys i am taking this bitasat online test series by resonance and can someone please tell me what all chapters come under GOC 1 and GOC 2 thanks a lot! ...

Solomons, Fryhle (Original 9th Edition) vs Solomons,Fryhles, MS Chouhans (Revised for IITJEE) Have anyone tried the second one? If you have noticed any advantages, please share. ...

why can a cockroach swim inside conc. sulphuric acid but humans cant evn put a fingure into it??? ...

Consider a titration of Potassium dichromate solution with acidified Mohr’s salt solution using diphenylamine as indicator. The number of moles of Mohr’s salt required as per mole of dichromate is (2007) a. 3 b. 4 c. 5 d. ...

Why are oxides with lower oxidation number of metals are basic while those with higher oxidation numbers are acidic in case of d-block elements? ...

1. How much ammonia must be added to a 0.004 M Ag+ soln. to prevent the precip. of AgCl when [Cl-] reaches 0.001 M ? Ksp (AgCl) = 1.8 * 10 ^ -10 . Diss. const. for Ag(NH3)2 + = 6 * 10 ^ -8. 2. A conc. strong acid is added to ...

2- Bromo-2-methyl-propane gives two different products with 1. CH3CH2ONa in presence of CH3CH2OH and 2. CH3CH2OH alone. WHAT R THESE PRODUCTS AND WHY ARE THEY DIFFERENT WHEN THEY BOTH PRODUCE SAME ANION i.e. CH3CH2O- ? ...

Determine the enthalpy change for the following reaction at 25°C: C3H8(g) + H2(g) → C2H6(g) + CH4(g) Using the Standard Heats Of Combustion that are given below.... *Image* The Standard heat of formation of C3H8(g) is -103 ...

Which BOOK(s) is best in INORGANIC CHEMISTRY for 1) THEORY 2) PRACTICE ??? PLZ HELP!!! ...

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1)The water is electrolysed in a cell, hydrogen is liberated at one electrode and oxygen simultaneously liberated at the other. In a particular experiment hydrogen and oxygen so produced were collected together and the total ...

1)Why can the use of high temperatures in the catalytic hydrogenation of alkenes to alkanes be self-defeating ? 2)Provide an explanation for the fact that all trans-1,2,3,4,5,6-Hexaisopropylcyclohexane is a stable molecule in ...

What actually happens when we add Hydrogen Peroxide to acidified Potassium Dichromate? Do we get a deep blue solution or a green solution? I have read both of them. Will the result be different if Sodium Peroxide is added ins ...

I have two questions. 1)Why do ionic hydrides have more density than the corresponding metals? I know that interstitial hydrides have lower density than the corresponding metals from which they were formed as the crystal latt ...

1.The boiling point of H2O is much higher than that of H2S.Why? ...

when equimolar quantities of acetic acid and ethanol are at 25 C, 1/3 of acetic acid remains unreacted as shown by titration with standard alkali.Calculate concentration equilibrium constant. ...

Please explain me about the solubilities of hydroxides,fluorides,sulphates,carbonates,chlorides,oxides of Group 1 and 2 metals Is there some logic to remember them. Help!! ...

though C and H have difference in electronegativity....why is C-H bond is a purely covalent bond.... ...

*Image* Ans given to q1 is {b} Explain the function of reactants also... ...

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CH2OH-CO-CHOH-CHOH-CHOH-CH2OH +HIO4→ ???? ( α D-Fructose) 1ST OF ALL...ISNT 5 MOLE HIO4 NEEDED??? 2ndly Predict the products.........plzzzz help!! :( ...

O-methoxy bromobenzene is treated with sodaamide and then with ammonia. The product formed is:- (a) O-methoxyaniline. (b) aniline. (c) methoxybenzene. (d) M- methoxyaniline. i have confusion between (a) and (d)... i think it ...

CCl4 + KOH (excess) ------> end product of reaction is (a) K2CO3. (b) C02. (c) C(OH)4. (d) HCOOK. sholdnt the answer be CO2...?? as the 1st product( the intermiate) formed should be C(OH)4.. THEN FROM IT THERE WOULD BE 2 M ...

I3- can b formed but Cl3- cannot..? why? ...

in general , how can carbonate vs. bicarbonate detection test be carried out?? ...

What maximum volume of 3M KOH can be prepared from 1L each of 1M KOH and 6M KOH .... (1) By using water (2) Without using water ...

which block does this element belong to?? [Xe] 6s2 4f7 5d1 a)s-block b)p-block c)d-block d)f-block Give proper reason plzz!:) ...

what is the oxidation state and no. of unpaired electrons of Fe in [Fe(H2O)5NO]SO4 the answer for oxidation state is given +1 and no. of unpaired electrons is given 3 how can these both be simultaneously true no of unpaired e ...