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Why do we require artificial sweetening agents?

Which of the following expressions for the percentage ionization of a monoacidic base $\left(BOH\right)$ in an aqueous solution at appreciable concentration is not correct?

Which of the following is the least reactive?

To prepare 3-ethylpentan-3-ol, the reactants needed are

2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?

For the reaction $2NO\left(g\right)\rightleftharpoons N_2\left(g\right)+O_2\left(g\right),\Delta H=-180kJmo{l}^{-1}$. Which of the following facts does not hold well?

In which of the following arrangements, the order is according to the property indicated against it.

$\left(I\right)I<Br<F<Cl\text{increasing electron gain enthalpy}$

$\left(II\right)Li<Na<K<Rb\text{increasing metallic radius}$

$\left(III\right)B<C<N<O\text{increasing first ionization energy}$

$\left(IV\right)A{l}^{3+}<M{g}^{2+}<N{a}^{+}<F^{-}\text{increasing ionic size}$

$P_4+3NaOH+3H_{2}O⟶3Na\left(H_{2}P{O}_2\right)+P{H}_3$ is an example of:

can i get the notes of reaction mechanism?

One mole of an ideal gas $(C_v=20J{K}^{-1}mo{l}^{-1})$ initially at STP is heated at constant volume to twice the initial temperature. For the process, work done ($w$) and $q$ will be :

Draw the structures of the following compounds.

3 - methyl butanal

p-nitro propiophenone

p- methyl benzaldehyde

4-methyl pent -3-en-one

4-chloro pentan-2-one

3-bromo-4-phenyl pentanoic acid

p, p' - dihydroxyl benzophenone

Hex-2-en-4-ynoic acid

Which of the following is correct with respect to $-I$ effect of the substituents? (R=alkyl)

Calculate the number of molecules in 12.8 g of sulphur dioxide gas. Take Avogadro's number as 6 × 10²³.

[S = 32, O = 16]

Arrange the following groups in the order of decreasing (+I) effect with reference to hydrogen.

The species that does not contain peroxide ion is

The ionization constant of a weak electrolyte $\left(HA\right)$ is $25\times {10}^{-6}$, while the equivalent conductance of its $0.01\text{M}$ solution is $19.6\text{Scm}2{\text{eq}}^{-1}$. The equivalent conductance of the electrolyte at infinite dilution (in ${\text{S cm}}^2{\text{eq}}^{-1}$) will be:

$N{H}_{4}Cl$ crystallizes in a body-centered cubic lattice with an edge length of unit cell equal to 387 pm. If the radius of the $C{l}^{-}$ ion is 181 pm, the radius for $N{H}_4^{+}$ ion is?

The ratio of the radii of the first three bohr orbits for hydrogen atom is:

For the process:

$H_2{O}_{\left(l\right)}\text{(1 bar, 373 K)}\rightleftharpoons H_2{O}_{\left(g\right)}\text{(1 bar, 373 K)}$

the correct set of thermodynamic parameters is:

What is the empirical formula of Fe₂O₃?

$\begin{array}{cccc}& \text{Column - 1}& & \text{Column - II}\\ \text{(a)}& N_{2}O& \text{(p)}& \text{Brown coloured gas}\\ \text{(b)}& N{O}_2& \text{(q)}& \text{Blue coloured liquid at 243K}\\ \text{(c)}& N_2{O}_3& \text{(r)}& \text{White crystalline solid}\\ \text{(d)}& N_2{O}_5& \text{(s)}& \text{Colourless gas, produces hysterical laughter when inhaled}\end{array}$

Cyclobutylamine is treated with sodium nitrite and aqueous $HCl$ at $0-5^{\circ }C$. The products formed are: