Chemistry Mock Test-7

If heat of formation of C + O₂ → 2CO is ΔH = -110.5 kcal,then heat of combustion of carbon is

The property,which can be classified as an intensive property, is

If the pH of a solution is 4, then its OH⁻ concentration is

pH of pure water is

If an atom is reduced, its oxidation number

The oxide,which can not act as a reducing agent, is

This radical can be identified by Borax bead test is

NaOH is prepared by the electrolysis of

Vapour density of a gas is 22. What is its molecular weight

The IUPAC name of the compound having the formula CCl₃CH₂CHO is

The structure of benzene is

Baeyer’s reagent is used in the laboratory for

For two ionic solids CaO and KI, identify the wrong statements among the following

The crystal structure of NaCl is

A certain current liberated 0.504 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in copper sulphate solution

The unit of equivalent conductivity is

Which one of the following statements is incorrect about enzyme catalysis

If the dispersed phase is a liquid and the dispersion medium is solid, the colloid is known as a

Argon gas was discovered by

Tincture iodine is

Which of the following compounds is known as white vitriol

Which of the following shows maximum number of oxidation states

The ion which is not tetrahedral in shape is

Which of the following coordination compounds would exhibit optical isomerism

Replacement of Cl of chlorobenzene to give phenol requires drastic conditions. But chlorine of 2,4-dinitro-chlorobenzene is readily replaced because

When ethyl iodide and propyl iodide react with Na in the presence of ether, they form

Which of the following statements is not true about alcohols

When ethanol is subjected to dehydration in presence of H₂SO₄, the intermediate formed is a

When sodium benzoate reacts with sodalime what is produced

Ethyl benzoate can be prepared from benzoic acid by using

Which of the following reagents can be used to convert primary amides into primary amines containing the same number of carbon atoms

Which of the following statements about primary amines is false

α-D-glucose and β-D-glucose are

The waxes are long chain compounds of fatty acids, which belong to the class of

The PSLV rocket used

Naphthalene is a

Which of the following does not show electrical conduction

Which of the following compounds volatilises on heating

An equation is given as:SnO₂ + C → Sn + CO.Its balanced form will involve

Smallest wavelength occurs for

Chloride ion and potassium ion are isoelectronic. Then

Which is a metalloid

The total number of electrons present in all the p-orbitals of bromine is

The types of bond present in CuSO₄.5H₂O are only

The shape of the molecule XeF₄ is