The IUPAC name of dimethyl ether is

• Ethoxy methane

• Methoxy ethane

• Methoxy methane

• Ethoxy ethane

The organic compound which undergoes substitution reaction is :

• C2H2

• C2H4

• C10H18

• C2H6

The oxide which can react with HCL as well as KOH to give corresponding salt and water is

• CaO

• Al2O3

• Na2O

• K2O

A substance that donates a pair of electrons to form coordinate covalent bond is called

• Lewis Acid

• Lewis Base

• Bronsted-Lowry Acid

• Bronsted-Lowry Base

Which of the following does not belong to the group of Doberiener’s triad?

• Li,Na, and K

• He, Na, and Kr

• Ca, Sr, Ba

• Cl, Br, I

Answer it:

The greatest number in the period correlates to the highest number in the period.

Which of the following elements belongs to the periodic table’s second transition series?

• Na

• Au

• La

• Nb

Which of the following is not an appropriate ore for iron extraction

• Hematite

• Magnetite

• Siderite

• Fermitite

Which of the following isn’t a cobalt property?

• Cobalt is a lustrous white metal

• It is attacked by alkalies

• Cobalt is malleable

• Cobalt is ductile

Give the name of the benzene acylation procedure

• Friedel craft reaction

• Wurtz reaction

• Wurtz fitting reaction

• Debey Huckel reaction