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What will be the molecular formula of a disccharide rutinose formed from rhamnose $\left(C_6{H}_{12}{O}_5\right)$ and glucose $\left(C_6{H}_{12}{O}_6\right)$?

The volume of water to be added to $100c{m}^3$ of a $0.5$ N $H_{2}S{O}_4$ to get a decinormal solution is:

In the electrolytic refining process of Zinc, it is given that the crude metal is made anode while the electrolyte is used is $H_{2}S{O}_4$ (dilute) + $ZnS{O}_4$ . The cathode should be:

Value of gas constant R is

In fibrous proteins, polypepetide chains are held together by

Which of the following are amphoteric oxides?

$M{n}_2{O}_7,Cr{O}_3,C{r}_2{O}_3,CrO,V_2{O}_5,V_2{O}_4$

Which of the following sets contain only copolymers?

The conjugate of the complex number $\frac{(2+3i)}{4i}$ is _____.

In the reversible reaction A + B $\rightleftharpoons$​ C + D, the concentration of each C and D at

equilibrium was 0.8 mole/litre, then the equilibrium constant $K_C$ will be

For the reaction,
$N_2\left(g\right)+3H_2\left(g\right)\rightleftharpoons 2N{H}_3\left(g\right),△H$ is equal to :
($△U$ = change in internal energy)

Heat of reaction for,
$C_6{H}_{12}{O}_6\left(s\right)+6O_2\left(g\right)\to 6C{O}_2\left(g\right)+6H_{2}O\left(v\right)$
at constant pressure is $-651kcal$ at ${17}^{0}C$. Calculate the heat of reaction at constant volume at ${17}^{0}C$

Equal volumes of $0.1\text{M}AgN{O}_3$ and $0.2\text{M}NaCl$ are mixed. The concentration of $N{O}_3^{-}$ ions in the mixture will be:

One cationic complex has two isomers A and B. Each has one $C{o}^{3+}$, five $N{H}_3$, one $B{r}^{-}$, and one $S{O}_4^{2-}$ stoi-chiometrically. A gives white ppt with $BaC{l}_2$ whle B give yellow ppt with $AgN{O}_3$.
Complexes A and B have similarity in which type of isomerism?

According to cahn-Ingold-prelog sequence rules, the correct order of priority of the given groups is

Question 44
How does sprinkling of salt help in clearing the snow covered roads in hilly areas? Explain the phenomenon involved in the process.

Water is filled in a uniform container of the area of cross section A. A hole of cross-section area a (<< A) is made in the container at a height of 20 m above the base. Water streams out and hits a small block placed at some distance from the container. With what speed (in $m{s}^{-1}$) the block should be moved such that water streams always hits the block. (Given $\frac{a}{A}=\frac{1}{20}$). (Take $g=10m{s}^{–2}$)

The oxidation number of Ba in barium peroxide is

Elements X and Y have valence shell electronic configurations $X=n{s}^{2}n{p}^5;Y=n{s}^{2}n{p}^3$. Which compound is likely formed from X and Y?

9.8g of H₂SO₄ is present in 2 litres of a solution. The molarity of the solution is:

$H_{2}S$ acts only as a reducing agent while $S{O}_2$ can act both as a reducing and oxidizing agent because

A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu. If e and m are charge and mass of an electron respectively, then the value of $h/\lambda$ (where $\lambda$ is wavelength associated with electron wave) is given by:

For the complete combustion of ethanol, $C_2{H}_{s}OH\left(l\right)+3O_2\left(g\right)\to +2C{O}_2+2H_{2}O\left(l\right)$ the amount of heat produced as measured inthe bomb calorimeter is 1364.47 kJ $mo{l}^{-1}at{25}^{\circ }C.$ Assuming ideality, the enthalpy of combustion ${\Delta }_{c}H$ for the reaction will be [ R = 8.314 $J{K}^{-1}mo{l}^{-1}$ ]

Edge length in a face centered cubic unit cell of calcium is 0.556 nm. If it contains 0.1% schottky defect, the density of the metal is

Among the given compounds, the correct order of enol content is:

Some pairs of acids are given below. Select the pair in which second acid is stronger than first.

In a reaction,200ml of hydrogen peroxide sample solution (at STP) liberated 3 litres of oxygen. What is the concentration (in % w/v) of the $H_2$$O_2$ in the sample?

The difference in angular momentum associated with the electron in the two successive orbits of hydrogen atom is

A first order reaction has a rate constant 200 s^-1. Its half life is

The group 16 elements are also known as:

For the reaction
$Al+O_2\to A{l}_2{O}_3$
(The equation is not balanced)
54 g of Al is reacted with 67.4 litre at STP. 76.5 g of $A{l}_2{O}_3$ was obtained. The percentage yield of the product obtained is

Q.Calculate the mass of urea
(NH2CONH2) required in making 2.5
kg of 0.25 molal aqueous solution.

Gaseous reaction in a closed vessel is reversible or irreversible. Also give example.

Which of the following do not show geometrical isomerism?

If the solubility of sparingly soluble salt $PbC{l}_2$ is $4.41g{L}^{-1}$ at ${25}^{o}C$. Find its solubility product at the given temperature.
(Take Molecular mass $PbC{l}_2\approx 278gmo{l}^{-1}$)

Why does the rate of any reaction generally decreases during the course of the reaction?

Cannizzaro’s reaction is not given by:

The smallest among the following ions is