BITSAT Chemistry Test

An element has 2 electrons is K-shell, 8 electrons in L-shell, 13 electrons in M-shell and one electron in N-shell. The element is

1 mol of CH₄ contains

Which of the following alkyl group has the maximum + I effect?

The volume of 1.0 g of hydrogen in litres at N.T.P. is

The bromination of benzene in presence of FeBr₃ is an example of

The no. of essential amino acids in human body is

Toluic acid on reaction with Br₂ + Fe gives

A chemical reaction will be spontaneous if it is accompained by a decrease of

An ionic solid is a poor conductor of electricity because

The decomposition of a substance follows first order kinetics. If its conc. is reduced to 1/8 th of its initial value, in 24 minutes, the rate constant of decomposition process is

The equilibrium constant for the following reaction will be 3 A + 2 B → C

An example of water soluble vitamin is

Which of the following species has the highest ionization potential?

An adiabatic expansion of an ideal gas always has

Paracetamol is/are

A complex compound of Co³⁺ with molecular formula CoCl_xyNH₃ gives a total of three ions per molecule when dissolved in water. How many Cl⁻ ions satisfy primary as well secondary valencies in this complex?

What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid?

The standard emf of the cell Zn + Cu²⁺ → Cu + Zn² is 1.10 V at 25^oC. The emf of the cell when 0.1 M Cu²⁺ and 0.1 M Zn^2⁺ solutions are used will be

The compound that decolourises alkaline KMnO₄ is

Which of the following element belongs to the third row transition series?

Hardness of water is due to which pair of ions ?

Which one of the following will undergo meta-substitution on monochlorination ?

The pH of gastric juice is normally

Amongst the compounds Mg₃N₂, NH₃ and N₂O₃, nitrogen shows an oxidation state of +3 in

Reaction C₂H₅I + C₅H₁₁I + 2Na → C₂H₅ - C₅H₁₁ + 2NaI is called

Nitrogen atom has an atomic number of 7 and oxygen has an atomic number 8. The total number of electrons in a nitrate ion will be

Molecular formula C₅H₁₂O will show :

The element with the highest first ionization potential is

When ammonia is passed over heated copper oxide, the metallic copper is obtained. The reaction show that ammonia is

Which of the following contains a double bond consisting of both π-bonds?

The fibre obtained by the condensation of hexamethylene diamine and adipic acid is

White phosphorus reacts with caustic soda to produce PH₃ and NaH₂PO₄. The reaction is an example for

In electrolysis of NaCl with Pt electrode is taken the H₂ is liberated at cathode while with Hg cathode it forms sodium amalgam. The reason for this is

A solution is obtained by dissolving 12 g of urea (mol.wt. 60) in one litre of water. Another solution is obtained by dissolving 68.4 g of cane sugar (mol.wt. 342) in one litre of water at same temperature. The lowering of vapour pressure in first solution is

At what temperature will the r.m.s. velocity of SO₂ be the same as that of O₂ at 303 K

Which of the following law directly explains the law of conservative of mass?

In the cause of auto catalysis