Which among the following species has the highest ionization potential?

Which one of the following metallic hydroxides does not dissolve in sodium hydroxide solution?

IUPAC name of K₃Fe(CN)₆ is:

Unpleasant smell of carbylamines is obtained when chloroform and alcoholic KOH are heated with:

Which of the following is an aldohexose?

When a mixture of calcium acetate and calcium formate is dry distilled, the product formed as:

The test used for identifying peptide linkage in proteins is:

Which of the following is not used to distinguish ethane from ethane?

To get a n-type doped semiconductor, impurity to be added to silicon should have the following number of valence electrons:

Solubility)s) of CaF₂ in terms of its solubility product is given a

5 moles of SO₂ and 5 moles of O₂ are allowed to react to form SO₃ in a closed vessel. At the equilibrium stage 60% of SO₂ is used up. The total number of mole of SO₂, O₂ and SO₃ in the vessel now is:

A base, as defined by Bronsted theory, is a substance which can

In the case of small cuts bleeding is stopped by applying potash alum. Here alum acts as:

“It is impossible to determine simultaneously the position and velocity of small particles such as electron”. It is a statement of

The percentage of N₂ in urea is about:

When salicyclic acid is distilled with zinc dust, the product obtained is:

On heating ethanol with excess of conc. H₂SO₄ at 170⁰ C, the product obtained is:

To calculate the amount of work done in joules during reversible isothermal expansion of an ideal gas, the volume must be expressed in:

The quantity of electricity required to liberate 112 cm³ of hydrogen at STP from acidified water is:

Hydrogen ion concentration of an aqueous solution is 1 × 10^-4 M. The solution is diluted with equal volume of water. Hydroxyl ion concentration of the resultant solution in terms of mol dm^-3 is:

The shape of cuprammonium ion is:

The enthalpy of combustion of C₆H₆ (l) is -3250 kJ. When 0.39 g of benzene is burnt in excess of oxygen in an open vessel, the amount of heat liberated is:

The solubility product of a binary weak electrolyte is 4 × 10^-10 at 298 K. Its solubility in mol dm^-3 at the same temperature is:

Propane is the product obtained by dehydrogenation of:

To get DDT chlorobenzene has to react with the following compound in the pressure of concentrated sulphric acid:

Glacial acetic acid is obtained by:

Hypothyroidism is caused by the deficiency of :

A food additive that also acts as an anti-oxidant is :

Which of the following monomers can undergo condensation polymerisation ?

Schottky defect in a crystal is observed when ,

The simplest way to check whether a system is colloidal is by

An example for a strong electrolyte is:

An example of a salt that will not hydrolyse is

C¹⁴ is

A cuprous ore among the following is

Smallest among these species is:

Sodium chloride is an ionic compound where as hydrogen chloride gas is mainly convalent because

Convalent compounds have low melting point because

Which of the following is an alloy of aluminium? 

A neutral fertilizer among these compounds is

A condensation polymer among the following polymers is

A compound that undergoes bromination easily is:

A sugar that is not a disaccharide among the following is

Drying soil invariably contains

Hetrocyclic amino acid among these compound is

Aluminium oxide is not reduced by chemical reactions since

Iron loses magnetic property at

An example for a double salt is

The set of compounds in which the reactivity of halogen atom in the ascending order is

methanol is

In the case of auto catalysis

Order to reaction is decided by

Half-life of a reaction is found to be inversely proportional to the cube of initial concentration. The order of reaction is

Which among the following statement is false?

Purine derivative among the following bases is

A drug that is antipyretic as well as analgesic is

For a f – orbital the values of m₁ are

Chloride ion and potassium ion are isoelectronic. Then

In a reversible reaction a catalyst will affect

Pentavalence in phosphorous is more stable when compared to that of nitrogen even through they belong to same group is due to

Aqueous solutions of hydrogen sulphide and sulphurdioxide when mixed together, yield

A salt producing hydrocarbon among these compounds is

Octane number is zero for

The intensive property among these quantities is

30g of Mg and 30g of oxygen are reacted and the residual mixture contains

3 g of oxide of a metal is converted to chloride completely and it yielded 5 g of chloride. The equivalent weight of metal is

20 ml of 0.25 N strong acid and 30 ml 0.2 N of strong base are mixed; the resulting solution is

The rate of forward reaction is two times that of reverse reaction at a given temperature and identical concentration. Kequilibrium is

Ammonium ion is

Water is a

A chemical reaction was carried out at 300 K and 280 K. the rate constants were found to be K₁ and K₂ respectively, then:

A smuggler could not carry gold by depositing iron and gold surface since:

A is an aqueous acid; B is an aqueous base. They are diluted separately, then:

kinetic theory of gases presumes that collision between the molecules to be perfectly elastic because:

_zX^M + ₂He⁴ → ₁₅P³⁰ + ₀n¹. Then:

Bio- gas production is more useful when compared to the direct use of dung because

Compounds with high heat of formation are less stable because

Heat of neutralization of weak acid and strong base is less than the heat of neutralization of strong acid an strong base due to

A radio isotope will not emit

Heat treatment alters the properties of steel due to:

Chemical bond implies

Grignard reagent is not prepared in aqueous medium but prepared in either medium. Because

A lone pair of electrons in an atom implies:

In the electrolytic refining of zinc

Halo alkane in the presence of alcoholic KOH undergoes:

Enthalpy of vaporization of benzene is +35.3kJ mol-1 at its boiling point, 80^oC. The entropy change in the transition of the vapour to liquid at its boiling point in[JK^-1mol^-1] is

Reaction of aniline with benzaldehyde is:

In chromite ore, the oxidation number of iron, and chromium are respectively

The amount of heat evolved when 500 cm³ of 0.1 M HCl is mixed with 200 with 200 cm³ of 0.2 M NaOH is

An ester used as medicine is:

Peroxide ion…………
(i) has five completely filled antibonding molecular orbitals
(ii) is diamagnetic
(iii) has bond order one
(iv) is isoelectronic with neon
Which one of these is correct?

Which one of these is not true for benzene?

A mixture of CaCl₂ and NaCl weighing 4.44 g is treated with sodium carbonate solution to precipitate all the Ca²⁺ ions as calcium carbonate. The calcium carbonate so obtained is heated strongly to get 0.56 g of CaO. The percentage of NaCl in the mixture (atomic mass of Ca=40)is

Which one of the following non metals is not a poor conductor of electricity