ALKYL HALIDES FILL IN THE BLANKS Q.01: Fill in the blanks: (i) In tertiary alkyl halides the halogen atom is attached to a carbon which is further attached to ______ carbon atoms directly. (three) (ii) The best method for the…
AROMATIC HYDROCARBONS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) The term aromatic was derived from Greek word ________ meaning ________. (aroma, fragrant) (ii) Aromatic hydrocarbons include benzene and all those compounds which are _________ related to benzene.…
ALIPHATIC HYDROCARBONS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) Ozone reacts with ethene to form ______. (ethylene ozonide) (ii) Lindlar’s catalyst is used for _______ of alkynes. (partial hydrogenation) (iii) Divinyl acetylene is a _________ acetylene. (polymer…
FUNDAMENTAL PRINCIPLES OF ORGANIC CHEMISTRY FILL IN THE BLANKS Q.01: Fill in the blanks: (i) Organic compounds having same molecular formula but different ______ are called isomers. (structure) (ii) The state of hybridization of carbon atom in ______ is sp2.…
TRANSITION ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) The property of paramagnetism is due to the presence of ______ electrons. (unpaired) (ii) MnO4–1 ion has ______ colour and Cr2O7–2 has _____ colour. (purple, orange red) (iii)…
GROUP VIIA & GROUP VIIIA ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) The halogen with the highest electronegativity is __________. (Fluorine) (ii) HI is _________ agent. (reducing agent) (iii) The only halogen acid which is not…
GROUP VA & GROUP VIA ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) The elements ________ of group VA are called metalloids. (Arsenic and Antimony) (ii) In Birkeland and Eyde’s process is prepared from atmospheric oxygen and…
GROUP IIIA & GROUP IVA ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) ________ acid has the chemical formula HBO2. (Metaboric acid) (ii) Aluminium normally occurs as_________ minerals found in the rocks of outer portion of the…
s-BLOCK ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) Alkali metals are _______ reactive than alkaline-earth metals. (more) (ii) Alkali metals decompose water vigorously producing ________ and hydrogen. (metal hydroxide) (iii) When heated in a current of…
PERIODIC CLASSIFICATION OF ELEMENTS AND PERIODICITY FILL IN THE BLANKS Q.01: Fill in the blanks: (i) Mendeleev in his periodic table, arranged the elements according to their atomic ___. (mass) (ii) Vertical columns in modern periodic table are called _________…