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At `27^oC` heat liberated by combustion of methane at constant pressure is x kj/g then heat liberated at constant volume ( In KJ/mol) will be:

Which of the following statement is correct about the gram atomic mass of any element:

Photechemical smog pollution does not contain:

The equivalent weight of `NO_3^-` in the following reaction, `NO_3^-1 -> N_2` is-

Consider three hypothetical ionic compounds AB, `A_2B` and `A_2B_3` where in all the compound B is in -2 oxidation state and ‘A’ has a variable oxidation state. What is the correct order of lattic energy of these compounds-

If 100 mL, `0.1 N H_2SO_4` solution is mixed with 100 mL, 0.1 M `Ba(OH)_2` solution then pH of resulting solution will be:

Which one of the following reactions will not result in the formation of carbon-carbon bond-

Which of the following is synthetic rubber:

The following quantum number’s are possible for how many orbitals

N=3, l=2, m=+2

Species have identical shape:

Which of the following technique is based on adsorption phenomenon:

Benzyl amine may be alkylated as shown in the following equation-

`C_6H_5CH_2NH_2+ R-X -> C_6H_5CH_2NH-R`

Which of the following alkyl halides is best suited for this reaction through `S_NI` mechanism:

Sucrose is a –

The equilibrium constant of the reaction `H_2+I_2⇄2HI` is 49 then equilibrium constant of the following reaction is-

`1/2H_2+1/2I_2⇄HI`

The IUPAC name for `K_2 [Cr(CN)_2 O_2 (O_2)(NH_3)]` is:

2 m aqueous solution of an electrolyte `x_3y_2` is 25% ionized. The boiling point of the solution is

`(K_b` for `H_2O= 0.52` K kg/mol):

`RCOOH +NaHCO_3 ->` obtained carbon dioxide will be:

Arrange the following radical in order of decreasing stability:

Which of the following reaction does not take place:

In the isoelectronic series of metal carbonyl the CO bond strength is expected to increase in the order:

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