12 JEE Main 2019 p Block Elements (Group 13 & 14) previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 previous-year questions from the p Block Elements (Group 13 & 14) chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the p Block Elements (Group 13 & 14) chapter hub.
Diborane B 2 H 6 reacts independently with O 2 and H 2 O to produce, respectively:
The number of 2 -centre- 2 -electron and 3 -centre- 2 -electron bonds in B 2 H 6 , respectively, are:
The number of pentagons in C 60 and trigons (triangles) in white phosphorus, are;
The correct statements among I to III regrading group 13 element oxides are, (I) Boron trioxide is acidic. (II) Oxides…
Correct statements among regarding silicones are: ( a ) They are polymers with hydrophobic character. ( b ) They are bi…
The correct order of catenation is:
The C - C bond length is maximum in:
The hydride that is NOT electron deficient is:
The amorphous form of silica is:
C 60 , an allotrope of carbon contains
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