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The priority of groups $OH,COOH,CHO,OC{H}_3$ attached to chiral carbon is in order:

$K{O}_2+S\stackrel{\Delta }{\to }\left(A\right)\stackrel{BaC{l}_2}{⟶}\left(B\right)\underset{\Delta }{\overset{Carbon}{\to }}\left(C\right)\stackrel{HCI}{⟶}DWhiteppt.gas$

Which of the following compounds does not contain a multiple bond?

Solids $CaC{O}_3$ and CaO and gaseous $C{O}_2$ are placed in a vessel and allowed to reach equilibrium

$CaO\left(s\right)+C{O}_2\left(g\right)\rightleftharpoons CaC{O}_3\left(s\right)\Delta H=-180kJmo{l}^{-1}$

The quantity of CaO in the vessel could be increased by:

The hybridisation and the geometry of nitrogen atom in pyridine is:

What doubts did Edla have about the peddler?

Which of the following solution in water possesses the lowest vapour pressure:

Lindemann proposed the following detailed mechanism for gas phase isomerization, the reaction is

In the above scheme, $A^{\ast }$ is a molecule that has enough vibrational energy to decompose or isomerise. The Lindemann mechanism is followed by most of gas phase decomposition or isomerization reaction.
For the overall unimolecular isomerization of cyclopropane to propylene at , the values of versus concentration is as follows.
$\underset{K_{unit}}{\left|M\right|}\underset{\frac{1}{137.5}}{\left|1M\right|}\underset{\frac{1}{131.25}{\text{in s}}^{-1}}{\left|2M\right|}$

If with the increase in temperature the overall rate increases, then the correct representation at a very high concentration of M is

When ethyl chloride is added to Sodium tert-butoxide, ethyl tert-butyl ether is obtained as the major product (shown below):

What happens to the rate if the temperature is increased?

A
5% solution (by mass) of cane sugar in water has freezing point of
271 K.
Calculate the freezing point of 5% glucose in water if freezing point
of pure water is 273.15 K.

The successive ionization energies for element $X$ are given below:

$I{E}_1=250{\text{kJ mol}}^{-1}$

$I{E}_2=820{\text{kJ mol}}^{-1}$

$I{E}_3=1100{\text{kJ mol}}^{-1}$

$I{E}_4=1400{\text{kJ mol}}^{-1}$

Find out the number of valence electrons from the element $X$.

When sodium bicarbonate is heated, $1.806\times {10}^{24}$ molecules of water is obtained. Find the volume of $C{O}_2\left(g\right)$ obtained at STP.

$2NaHC{O}_3\stackrel{\Delta }{\to }N{a}_{2}C{O}_3+C{O}_2+H_{2}O$

In figure shown, the spring constant is k. The mass of the upper block is m and that of the lower back is 3m. The upper block is depressed down from its equilibrium position by a distance δ and released at t = 0.

The value of $\delta$ for which the minimum normal reaction on 3m from ground is less than mg is

Among the following compounds which can be dehydrated very easily?

For the following system,





when $X_1\left(s\right)=0$, the transfer function $\frac{Y\left(s\right)}{X_2\left(s\right)}$ is

The decimal form of 40 kg and 850 gm is ______ .

In the modern periodic table, which of the following is the metal from first ten elements?