A. Low electronegativity
B. Low electropositivity
C. Low charge density
D. Not known yet
Carbonates of lithium are not stable like that of sodium due to________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. small size
B. high charge density
C. less electropositivity
D. all of the above
Li is different from its family members due to____________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Acidic
B. Basic
C. Amphoteric
D. Neutral
The oxides of beryllium BeO is_______________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. NaNO3
B. CaCO3
C. Ba (NO3)2
D. NH4Cl
Formula of Chile saltpetre is__________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Their oxides are basic
B. Their oxide and hydroxides are water soluble
C. Both A & B
D. They are found in earth
A elements are named as alkali metals because_______________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. increases the nucleophilic character of reagent
B. increases electrophilic character of carbonyl compound
C. acidic character of reagent
D. both a and b
In base catalyzed reaction of carbonyl compound the catalyst___________________? Read More »
Aldehydes and Ketones, Chemistry Mcqs A. 3 – hexanone
B. acetone
C. butanone
D. 2-pentanone
Which of the following is a symmetrical ketone___________________? Read More »
Aldehydes and Ketones, Chemistry Mcqs A. HCHO
B. C6H5CHO
C. Cl3CCHO
D. CH3COCH3
Which one exhibits aldol condensation____________________? Read More »
Aldehydes and Ketones, Chemistry Mcqs A. Tartaric acid
B. Propanoic acid
C. Lactic acid
D. Valeric acid
Acetaldehyele cyanohydrin on acid hydrolysis yields___________________? Read More »
Aldehydes and Ketones, Chemistry Mcqs A. PdCl2
B. Cu2Cl2
C. CuCl2
D. PbCl2
