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Functional isomer of $C{H}_3-C{H}_2-OH$ is:

In the above sequence X, Y and Z are

A 0.2 molal aqueous solution of a weak acid (HX) is 20% ionised. The freezing point of this solution is (Given for water)

The shortest distance between an octahedral and a tetrahedral void in FCC lattice would be



FCC जालक में अष्टफलकीय तथा चतुष्फलकीय रिक्ति के मध्य न्यूनतम दूरी होगी

What does the double line in the following cell represntation stand for?

$Mg\left(s\right)|M{g}^{2+}\left(aq\right)||A{l}^{3+}\left(aq\right)|Al\left(s\right)$

Among the halides, the order of decreasing lewis acid character is:

$1.BC{l}_3,2.AlC{l}_3,3.GaC{l}_3,4.InC{l}_3$

The boiling point of a solution of Benzoic acid in Benzene is less than expected because

The enol form of:

Identify the chiral molecule(s).

Point out
the wrong statement :

Physical
adsorption is characterised by

The smelting of iron in a blast furnace involves the following process

Select the chair conformation of cyclohexane from the following.

The enthalpy of vapourisation of water from the following equations is:

$H_2\left(g\right)+\frac{1}{2}{O}_2\left(g\right)\to H_{2}O\left(l\right),△H=-286\text{kJ}$

$H_2\left(g\right)+\frac{1}{2}{O}_2\left(g\right),\to H_{2}O\left(g\right),△H=-245.5\text{kJ}$

Find the order of reactivity of labelled hydrogen with $NaN{H}_2$.

Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional group?

Choose the correct order(s) of basic strengths of given amines in aqueous phase.

Benzaldehyde cannot be prepared by:

In the cyanide extraction process of silver from argentite ore, the oxidizing and reducing agents used are:

The conductivity of strong electrolyte is

[CPMT 2003]

A monochromatic radiation of specific wavelength is incident on $H$ atoms in ground state. $H$ atoms absorb energy and subsequently emit radiations of six different wavelength. Find the wavelength of incident radiation.

Which of the following is expected to have a dipole moment of zero?

The stability of $M{e}_{2}C=C{H}_2$ is more than that of $MeC{H}_{2}CH=C{H}_2$ due to:

Given that:

$S_{H_2}^{\circ }=131J{K}^{-1}mo{l}^{-1}{S}_{C{l}_2}^{\circ }=223J{K}^{-1}mo{l}^{-1}and{S}_{HCl}^{\circ }=187J{K}^{-1}mo{l}^{-1}$

The standard entropy change in formation of $1$ mole of $HCl\left(g\right)$ from $H_2\left(g\right)$ and $C{l}_2\left(g\right)$ will be:

(Given, reaction for formation of $HCl$ : $H_2+C{l}_2\to 2HCl$)

Is the following molecule chiral or not?

The compound that imparts cinnamon its flavor and smell is:

Which of the following metals requires the radiation of highest frequency to cause the emission of electrons?

Number of primary amines possible for the formula C₄H₁₁N is

One of the most important properties of `d`-block metal cations is the formation of coordinate compounds. Widely used theories that explain bonding in these compounds are valence bond theory and crystal field theory.



Which of the following complex ions/compounds is obtained as a racemic mixture on mixing an

isomer with its mirror image in $1:1$ molar ratio?

Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at ${25}^{\circ }C$ ?

Particulate air pollutants include:

Which of the following is position isomer of

:

A solution contains a mixture of $N{a}_{2}C{O}_3$ and $NaOH.$ Using phenolphthalein as indicator $35mL$ of mixture required $20mL$ of $0.80NHCl$ for the end point. With methyl orange, $35mL$ of solution required $37.5mL$ of the same $HCl$ for the end point. What is the weight of $N{a}_{2}C{O}_3$ and $NaOH$ respectively in the mixture?

LiAIH₄ converts acetic acid into[CPMT 1977; MP PMT 1990, 92]

Calculate the $△$H of the reaction



$H-\underset{\stackrel{|}{Cl}}{\stackrel{\underset{|}{H}}{C}}-Cl\left(g\right)⟶C\left(s\right)+2H\left(g\right)+2Cl\left(g\right)$



Bond energy for C-H bond & C-Cl bond are 415KJ and 326KJ respectively.

The correct order regarding electronegativity of hybrid orbitals of carbon is :

Which of the following mixtures of gases is called the producer gas?

A carnot engine operating between temperature $T_1$ and $T_2$ has the efficiency of $\frac{1}{6}$. When the temperature $T_2$ is lowered by 62K, it efficiency becomes $\frac{1}{3}$, Then temperature $T_1$ and $T_2$ respectively are

Deficiency of which vitamin causes rickets?

Which of the following does not have eight valence electrons?

Among the following substituted silanes, the one which is used to terminate the process of silicone polymerization on hydrolysis to control its length is

The slope of $\pi$ versus $\text{C}$ was made against insulin concentration $\text{c}$. in ${\text{gmL}}^{-1}$ and temperature $27{}^{\circ }\text{C}$. If $\text{C}$ is in ${\text{litre}}^{-1}$ and the slope of line obtained is $4.65\times {10}^{-3}\frac{g}{mL}$, which of the following are not the molar mass $\left({\text{in g mol}}^{-1}\right)$ of insulin?