Explore topic-wise InterviewSolutions in Current Affairs.

On the basic of data given below, predict which of the following gases shows least adsoprtion on a definite amount of charcoal ? {:("Gas", CO_(2), SO_(2), CH_(4), H_(2)), ("Critical temp/K", 304, 630, 190, 33):}

On the addition of mineral acid to an aqueous solution of borax, the compound formed is :

On the addition of a solution containing CO_(4)^(2–) ions to the solution of Ba^(2+), Sr^(2+) and Ca^(2+) ions, the ppt obtained first will be of-

On t reatingPCl_(5)with conc. H_(2)SO_(4), SO_(2)Cl_(2) is formed as the final product this showsthat H_(2)SO_(4)

On sulphonation of C_(6)H_(5)Cl

On sulphonation of C_6H_5CI

On sulhonation , phenol gives two products, ortho and para phenol sulphonic acids . The variation in productsdepend upon the __________.

On strongly heating anhydrous calcium acetate gives :

On strongly heating AgNO_3 we get :

On strongly heatingAgNO_3 the gases evolved are:

On strong heating lead nitrate gives :

On strong heating CaO and C the products formed are:

On strong heating 4 gm of a solid compound produced 528 ml of a diatomic gas (A_(2)) at NTP condittion and 2.68 gm of solid residue. The atomic mass of element A is -

On strong heating ammonium acetate gives -

On solidification of molten silver gives ………….. crystals.

On reduction with Na-Hg and water a carbohydrate gives a mixture of sorbitol and mannitol. The carbohydrate can be

On (reductive) ozonolysis of natural rubber, 4-oxo-pentanal is obtained the monomer of natural rubber would be :

On reduction with LiAlH_4 a ketone yields :

On reduciton with Sn+conc. Hclof C_(2)H_(5)NO_(2)yields

On reduction , primary amine is formed by

On reaction with water, calcium phosphide produces

On reaction with Cl_(2), phosphorus forms two types of halides 'A' and 'B'.Halide A is yellowish-white powder but halide 'B' is colourless oily liquid. Identify A and B and write the formulas of their hydrolysis products.

On reaction with ketone with hydroxyl amine give ketoxime which on reduction produces

On reaction with dil. H_(2)SO_(4) which of the following salts will give out a gas that turns an acidified dichromate paper green?

On reaction with hot conc.H_2SO_4, which of the following compounds loses a molecule of water :

on reaction with cold conc. HBr gives :

On reaction with Cl_2, phosphorus forms two types of halides 'A' and 'B' Halide A is yellowish-white powder but halide 'B' is colourless oily liquid. Identify A and B and write the formulas of their hydrolysis products.

On reaction with Cl_2, phosphorus forms two types of halides A and B. Halide A is yellowish white powder but halide B is colourless oily liquid. Identify A and B and write the formulas of their hydrolysis products.

On reacting with aqueous bromine at room temperature phenol forms which of the following ?

On reacting with neutral ferric chloride, phenol gives

On reacting with electropositivemetal like Na, alcohols give sodium alkoxides on liberates H_2. In this reaction alcohols behave as _________.

On reacting copper with dilute nitric acid gives a colourless gas (A). The gas (A) on reacting with Fe^(2+) ionin concentrated sulphuric acid and water forms a brown coloured complex. The EAN of Iron in the brown coloured complex is : [Given: Atomic No.: Fe = 26]

On reacting with halogens, H_2S is

On Pluto, where everything is frozwn, astronauts discovered two froms of butane gauche and anti. Assuming that there are no rotations around single bonds, which statement about the two forms is correct ?

On prolonged exposure to air, sodium finally changes to:

On Pauling scale which of the following does not have electronegativity ge3.0

On performing a borax-bead test with a given inorganic mixture for qualitative analysis, the colour of the bead was found to emerald green both in oxidising and reducing flame. It indicates the possibility of the presence of

On passing vapours of an organic liquid over finely divided Cu at 573K the product was an alkene. This reaction is

On passingle C ampere of electricity through a electrolyte solution for t second, m gram metal deposits on cathode. The equivalent weight E of the metal is

On passingH_2S in II gp, sometimes a white turbidity is formed. This is due to:

On passing through a magnetic field, the greatest deflection is experienced by :

On passing SO_(2) gas through an acidified solution of K_(2)Cr_(2)O_(7)

What happens when H_2S passed through FeCl_3 solution ?

On passing H_(2)S gas through a highly acidic solution containing Cd^(2+) ions, CdS is not precipitated because

On passing H_2S through HNO_3 we get

Draw structure of N_2O_5 and also find numbers of lone pairs in N_2O_5 :-

On passing H_2 S into saturated solution of BaCl_2, white ppt. obtained is of

On passing H_(2)S black ppt. of II group is obtained. The mixture may not contain

On passing excess of CO_(2) in lime water, its milky appearance disappears because-

On passing electricity through diluteH_2SO4 solution the amount of substance libeated at the cathode and anode are in the ratio: