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In the given reaction $C_6{H}_{5}C{H}_{2}COOH\frac{\left(i\right)N{H}_3/\Delta }{\left(ii\right)P_2{O}_5}\left[x\right].\left[x\right]$ will be

By the reduction of alkyl halides, we get alkanes. The best alkyl halide is

Conversion of $C{H}_4$ to $C{H}_{3}Cl$ is an example of which of the following reaction?

A,B and C are three elements forming a part of compound in oxidation states of +2, +5 and - 2 respectively. What could be the compound?

8g of $NaOH$ is dissloved in 18g of $H_{2}O$. Mole fraction of $NaOH$ in solution and molality $\left(inmolk{g}^{-1}\right)$ of the solutions respectively are :

18 gram of glucose dissolve in 90 gram of water if vapour pressure of water at room temprature is 25.5 torr what will be vapour pressure of solution

The pressure inside two soap bubbles in air are $1.02\text{atm}$ and $1.03\text{atm}$ respectively. The ratio of their volumes is -

If the
radius of the octachedral void is r and radius of the atoms in close
packing is R, derive relation between r and R.

Alexa has $x$ chocolates. Samuel has $6$ more than $7$ times the number of chocolates Alexa has. Which of these expressions denotes the total number of chocolates that Alexa and Samuel have together?

C-X bond is strongest in

The bond order of $X-O$ bond in $HP{O}_3^{2-}$ and $Cl{O}_4^{-}$ are respectively

Methyl ketones are usually characterised through

Consider the following reaction and match the correct option containing the missed reagents and products:

Amount of electricity that can deposit 108 gm of silver from AgNO₃ solution is

[AFMC 1993; MP PMT 2004]

What is X in the following nuclear reaction ${}_7{N}^{14}{+}_1{H}^1{\to }_8{O}^{15}+X$

NaCI is an example of

Based on the values of bond energies given, ${\Delta }_f{H}^o$ of $N_2{H}_4\left(g\right)$ is:

Given: $N-N=159{\text{kJ mol}}^{-1};H-H=436{\text{kJ mol}}^{-1}$

$N\equiv N=941{\text{kJ mol}}^{-1};N-H=398{\text{kJ mol}}^{-1}$

For a reaction, $\Delta H=-158.73\text{kJ/mol}$

$\Delta S=-58.1\text{J/K}$

$T=298K$

The value of $\Delta G$ in $\text{kJ}$:

Which of the following statement(s) is/are correct?

The amount of energy released when ${10}^{12}$ atoms of $Cl$ (vapour) are converted to $C{l}^{-}$ ions, according to the equation:
$C{l}_{\left(g\right)}+e^{-}\to C{l}_{\left(g\right)}^{-}\text{is}58\times {10}^{-10}\text{J}$
Calculate the ${\Delta }_{eg}{H}^{-}$ of $Cl$ atom in ${\text{eV atom}}^{-1}$.

A vessel having volume of $8.21\text{L}$ is found to contain $3$ moles of $C{O}_2$ and $2$ moles of $He$. What is the partial pressure of $He$ in the vessel at $400\text{K}$?

When heated above ${916}^{\circ }C$, iron changes its BCC crystalline form to FCC without the change in the radius of atom. The ratio of density of the crystal before heating and after heating is (Given : $\sqrt{3}=1.73and\sqrt{2}=1.41$):

Consider the following carbocations:-
I. II. III. IV.
The stability sequence follows the order:-

Equation $H_{2}S+H_2{O}_2\to S+2H_{2}O$ represents

The polymers which are produced from natural polymers by synthesization are known as ___

1. Semi-Synthetic Polymers

   
   

Graph between log $\frac{x}{m}$ and log $P$ is a straight line inclined at an angle ${45}^o$. When pressure of $0.5atm$ and $logk=0.699,$ the amount of solute adsorbed per $g$ of adsorbent will be (Given, antilog 0.699 = 5)

The moon orbits the earth once in 27.3 days in an almost circular orbit. Calculate the centripetal acceleration experienced by the earth? (Radius of the earth is 6.4×10×10×10×10 ×10×10 m )

Which of the following is capable of producing a new plant?