JEE MAINS PRACTICE · Chemistry
p Block Elements (Group 13 & 14)
295 practice questions for JEE Mains Practice — 110 easy · 98 medium · 87 hard. Every question is graded instantly with a step-by-step solution when you miss it.
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MCQ
Which of the following elements is in allotopic form in fullerene?
MCQ
Diborane on reaction with olefins forms :
MCQ
Among boron halides, which is the strongest Lewis is acid?
MCQ
Ferric alum has the composition $\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4 \cdot \mathrm{Fe}_2\left(\mathrm{SO}_4\right)_3 \cdot x \mathrm{H}_2 \mathrm{O}$ The value of $x$ is
MCQ
Thermodynamically, in which form of carbon is the most stable?
MCQ
Which of the following anions is present in the chain structure of silicates?
MCQ
Anhydrous $\mathrm{AlCl}_3$ fume in air due to
MCQ
The relative Lewis acid character of boron trihalides is the order
MCQ
$\mathrm{SiF}_4$ gets hydrolysed giving
MCQ
$\mathrm{CO}_2$ is a gas, while $\mathrm{SiO}_2$ is a solid, but both are
MCQ
The incorrect statement regarding above reactions is
MCQ
Which is not true about borax?