MODEL SET 10 ENGLISH

On warming an aqueous solution of benzene-diazonium chloride, the product obtained is-

Which of the following is not a sulphide ore!

Example of sp² hybridisation is

Bleaching powder is obtained by heating chlorine with-

An example of ideal solution is-

Which one is the strongest acid?

The co-ordination number of cobalt in [CO(en)₂ Cl₂]⁺ ion is

Amides may be converted into aminas by reaction named after

Which one is ambidentate ligand ?

The rate at which the substance reacts depends on its -

Salol can be used as-

Cryolite is an ore of-

Activated charcol is used to remove colouring matter from pure substances. It works by-

General formula for carbohydrate is -

The first transition element is -

Which of the following does not conduct electricity?

The isomer of diethylether is

Which of the following is p-block element?

The rate of reactionis exprnccced by rate= K[A]^x [B]^y The ander of reaction is –

Which on of the following is paramagnetic ion-

General formula of alkyne is -

96500 colomb of electricity is passed through FeSO₄ solution, it will liberate -

Which one is the ore of iron ?

Number of sigma-bonds in prophyne is-

20% NaoH (w/w) solation is given Its molality will be-

Concentration of sulphide ore is done by -

The hybridisation of C'in ethyne is-

Avogadro's Number is equal to