Vapour pressure of \(\text{CHCl}_3\) and \(\text{CH}_2\text{Cl}_2\) at 298 K are 200 mmHg and 415 mmHg respectively.
Calculate the vapour pressure of the solution prepared by mixing 25.5 g of \(\text{CHCl}_3\) and 40 g of \(\text{CH}_2\text{Cl}_2\) at 298 K.

The carbohydrate metabolism and modulation of inflammatory reactions are controlled by which hormone ?

Read the passage carefully and answer the Questions
Aldehydes and ketones are important organic compounds prepared mainly by oxidation of alcohols. Primary alcohols give aldehyde and secondary alcohols yield ketones. Aldehydes can also be formed by partial reduction of acid chlorides, reduction of esters or by Gattermann-Koch reaction. Ketones are prepared by Friedel-Craft's acylation, hydration of alkyne and reaction of Grignard's reagent with nitriles. Chemically, aldehydes and ketones are reactive in nature due to the carbonyl group and undergo nucleophilic addition reactions. Aldehydes are more reactive than ketones and can be oxidized to carboxylic acids, while both can be reduced to alcohols or hydrocarbons and exhibit condensation reaction.
When two moles of benzaldehyde are heated with concentrated NaOH solution, the product/s obtained is/are:

Type of RNA which does not exist is

Match List-I with List-II

List-I (Reaction)	List-II (Name)
(A) \({CH}_3 {CHO}+{Dil} {NaOH} \longrightarrow {CH}_3 {CHOHCH}_2 {CHO}\)	(I) Aldol Reaction
(B) \({CH}_3 {CH}_3 {CH}_2 {COOH}+{Br}_2 \xrightarrow[\text { (ii) } {H}_2 {O}]{\text { (i)Red P }} {CH}_2 {CH}_2 {CHBrCOOH}\)	(II) Cannizzaro Reaction
(C) \({C}_6 {H}_5 {CHO}+\) Conc. \({KOH} \longrightarrow {C}_6 {H}_5 {COONa}+{C}_6 {H}_5 {CH}_2 {OH}\)	(III) Haloform Reaction
(D) \({CH}_3 {COCH}_3 \xrightarrow{{NaOCl}} {CH}_3 {COONa}+{CHCl}_3\)	(IV) Hell Volhard Zelinski Reaction

Choose the correct answer from the options given below:

Match List I with List II

List-l (Name of compound)	List-II (Structure)
(A). Resorcinol	(I).
(B). Catechol	(II).
(C). Hydroquinone	(III).
(D). p-Cresol	(IV).

Choose the correct answer from the options given below :

Werner was the first to describe the bonding features in coordination compounds. But his theory could not answer basic questions like :
(i) Why only certain elements possess the remarkable property of forming coordination compounds ?
(ii) Why the bonds in coordination compounds have directional properties ?
(iii) Why coordination compounds have characteristics magnetic and optical properties ?
Many approaches have been put forth to explain the nature of bonding in coordination compounds viz. Valence Bond Theory (VBT), Crystal Field Theory (CFT), Ligand Field Theory (LFT) and Molecular Orbital Theory (MOT).
We shall focus our attention on elementary treatment of the application of VBT and CFT to coordination compounds.
According to this theory, the metal atom or ion under the influence of ligands can use its ( \(n -1\) )d, ns np or ns, np, nd orbitals for hybridisation to yield a set of equivalent orbitals of definite geometry such as octahedral, tetrahedral, square planar and so on.
These hybridised orbitals are allowed to overlap with ligand orbitals that can donate electron pairs for bonding.
The formula which correctly represents Potassium tetra hydroxo zincate (II) is :

The factor(s) governing the flow of electricity through an electrolytic solution is/are
(A) The nature of inter-ionic attraction.
(B) Temperature
(C) Solvation of ions.
(D) The nature of solvent and its viscosity.
Choose the correct answer from the options given below:

Which are the correct statements from given below:
A. Kirchhoff's junction rule is based on conservation of charge
B. Current is a vector quantity.
C. Current density is a vector quantity.
D. Resistance doesn't depend on dimension of conductor.
E. Resistivity depends on temperature.

Which of the following step is not the part of downstream processing?

The principal value of \(\cot ^{-1}\left(-\frac{1}{\sqrt{3}}\right)\) is

Gabriel synthesis is used for the synthesis of:

The value of \(\int_{\frac{-\pi}{2}}^{\pi / 2}\left(x^5+x^3 \cos x\right) d x\) is :